3 ?
T |?
!y?
3 ?
T C?y#
?
"d 7?
?
?
?
?
" %D¤ g/
15.1
E
{ ?¤ g/
E
{ ?¤ g/
15,2 A/DD ￥?1?
·S#s ?
D ￥?1?
·S#s ?
15.3 è¨￥
è¨￥
A/DD?
D?
?
?¨?èè31?
? a
A a
@
a
aAê aa ?? ?
E
iYV
{ ?¤ g
.
ó?
CPU31
{
E
? e?$ e`
¨?A
U b
E
?|
^ ??M￥èa aè
@?|
D
3
μ'é
￥ uY
E
?|31bv a
ro a
L? a?|MD?B"
￥è
^) ?ü_??￥
E
èa aè
@?MD? 0-5V￥èa?|YV A/V
Dè
^D?M?￥
3
?
{ ??
) ? b]
"?
{￥
3
e?′9aa1YV D/A
Dè
^MD?
E
?
? e?$ e`¨?
￥
A
U byN
E
￥
{ ?
{¤ g/
^?
?¨
?￥B?×1ì? b
151
E
{ ?
{¤ g/
?
?¨?31?
?
A
@
A8a ??v
E
31
{
E
? e?
$ e`é?A
U
E
￥
{ ?
{9
^?
￥
¤ g
^B?×1￥ì? b
E
?|
^ ??M￥è
aè
@?|D
3
μ'éB￥ uY31
E
?|
Hbv
roL??|MD?è
^) ?
ü?
￥
E
èaè
@?|MD? 0-5V￥èa?|
YV A/DDè
^D?M?￥
3
?
{ ??
) ? b]"?
￥ e?′?
9aa1Y
V D/ADè
^MD?
E
?
é? e?A
U by
N
E
￥
{ ?
{
^?
?¨?￥B?×1ì? b
151.1
E
{ ?¤ g/
1..? ￥à
Q
.?
^üB?t ?
D
a
3t
D?
6B?D-μ ???1"￥t ?
Yè
^
è
￥
? b
^?
"d?K×1￥ì? b
.? μ? ? ?B?
^[$??
￥?é ?
sB?
^[.? ￥?
e ? ?s b
?$ ?
?
￥?é ?sμ ￡
?.? ¨
??
? ￡
1 ￡a ?
@
?
? μ
?
?.? ¨??
êM? ???F
? μ?s
? .? ¨??
ò? 8 aA8
￥?s a
i a
á? b
?,? ?
e ? ?sμèE
T aè?
T aè
?
T aE F
T aHè
T a ￡è
T aaè
T? b
.?
?N ¨oòs?
.? ￥'?
?1
μ
?
S? .?
?èyT￥S?
P¨???
P.
? V[
êíq/?v￥?
μ b
L? .? ￥
{ ?D
{￥1"v?s.? ￥
{ ? a
{1"
^dL?￥
P¨?1é?L?) ? b ?¨
?
a V[¨ èq￥ZEé?L?) ? V[eè
^¤?zrT b
2
ù .? ￥
{D
{ ??|-1
2
ùv￥.?
è
^) ?ZLá
ì?.? μ?v￥
2
ù b
oD? ]?.? ￥+??
￥B?á?.? ￥o
D?μó
P¨{ ??ZL b
151.1
E
{ ?¤ g/
2.? aa ??è¨.?
?
?¨?è¨￥?
?
μ?a ?
AA
ê? bá
ìè¨￥.? TBW%￥o
b
(1)?.?
?
^V
Ut8 ? ￡?￥?
b
^?
?¨?K'￥
?
?
b
￡è
}?.?
￡è
}?.?
^[ ￡èr?1$￥| ?i
??]
￥?8 A-BF?B?>í
^o1
ì￥
?¤? t1t2
￥??] í
^ úüá
3 ￡è?
] ?m 9.1
U
151.1
E
{ ?¤ g/
2.? aa ??è¨.?
?
?¨?è¨￥?
?
μ?a ?
AA
ê? bá
ìè¨￥.? TBW%￥o
b
(1)?.?
?
^V
Ut8 ? ￡?￥?
b
^?
?¨?K'
￥?
?
b
￡è
}?.?
￡è
}?.?
^[ ￡èr?1$￥| ?i
??
]￥?8 A-BF?B?>í
^o1
ì￥
?¤? t1
t2￥??] í
^ úüá
3 ￡è?
] ?m
U
151.1
E
{ ?¤ g/
￡è
}è B?ê?
è
^? Rt1 ￡
ùèE? ?
?M
H?? ￡
ùèE￥?êT¨ h"
?
?M￥?Y4ú
?
￥ú b è¨ ￡
è
}￥}|s|#?
S?nV 9.1 b
? }| s
!|
?
S? oC
^ - B^ WRC
TCK -200-+300
[e - I^ WRK
EEA-2 0-800
[e -
[A WRN
KEU-2 0-1300
s?
10
-s WRP
SLB-3 0-1600
s?
10
-s?
6
WRR
BLB-2 0-1800
151.1
E
{ ?¤ g/
￡è
}￥??S? -180-2800oC ￡è
}￥
{ ￡
è
]DyT
?μ1D1?
￥?μ1
[ ?
H31é? ?
?ê ￡è
}￥è¨?
è
^ ?m
U b
￡èE?.?
^ ?¨sèE^èE ￡
ùèE￥E′
?7
M￥e ??
?￥?B ?.? ￥
a¨S? -200-+650oCμ
?ú￥
2
ù bsèEDèE￥1"1
T? Rt——?toC
HsèE￥èE′ b R0——?0oC
HsèE￥è
E′ b
A——3.90802*10-3/oC B— -5.802*10-7/oC C—— -4027350*10-12/oC
è¨￥sèE.? μ Pt100Pt100
^· 0oC
HsèE￥èE′1
100$ b
^èE
^ ?¨^
′L ??￥?.? è¨? -50-+150oCS?
￥èE′D?￥1" ?/
Rt= R0
1+% t
T? Rt——?t oC
H^èE￥èE′ b R0——?0 oC
H^èE￥
èE′ b
% ——^èE?"
1 425*10-3/oC
è¨￥^èE.? μ Cu100
Cu50=?
^· 0oC
H^èE￥è
E′1 100$
50$ b
?¨sèE a^èEB ? ￡èET1?.?
H???￥
Mo? l￥èE′M
[ ￡èE￥?
è
^�
üè
B ??
,
( )[ ]
32
0
C1001 ttCBtAtRRt °?+++=
151.1
E
{ ?¤ g/
? m? Rt aR2 aR3 aR4F?B??
üè Bè B￥yTè
÷1 ERt1 ￡èE¨??
s?￥M G1?
üè B￥
{
è
@ b
?
!
ü
H R3=R4R2=Rto(Rto
^ ￡èE to?
H￥èE′ )
???V toM?M? t
H ￡èE Rt=Rto+rr1?M? ￥è
E′
*
1è B￥ A aB
á
3B??
üèa U1
U=Ito·r·R3/((R2+R3)+r) ? Ito
^ to?
H
@Vè B|
^￥è
@
￡
ùèE
^B? ?¨Btá
t?1 è
2?￥èE
′
?7M￥.? b ￡
ùèE
2
ùú8lQ? y
P¨
p
é b
a¨￥?
S?1 -50oC-+300oC b ￡
ùèEμ??
"
￡
ùèE (PTCμ?"
￡
ùèE
NTC
"??"
￡
ùèE
CTR ?? ?? b??"
￡
ùèEè¨???
êè
^? ?
ú?μ1 3-5oC
"?"
￡
ùèE
?
"??￥èE′?
3$ M¨???
￥?1
^μ?"
￡
ùèE
￥èE′D?T
K￥1" ?/
T
T? RT01 T0
K?
H ￡
ùèE￥′ b B1è
3000-5000P
· b ￡
ùèE￥+?
^
?
2
ùú?¨bv ü V[
{+?èa?|) ?ZL b
8lQ? y V[??ò??￥.? bNìLR?L
μ V[-
{?9
a¨?é ??
b
? dL??×1é?L
3) ? b[ MF5E"
￡
ùèE1 è
μ R25=550K$,10K$,100K$ ? ?ì b
? ??8"??.?
? ??8"??.? ￥L?z
P¨ZL V[°¤
{
èa?|è
@?|�|nV 9.3 b
)/1/1(exp(
00
TTBRR
TT
=
151.1
E
{ ?¤ g/
?|
?
S? o $
{?| ?"
9 $ " èa?
N 7 o $
9 $ $ èa?
N 7 o $
- 9 èa?
N 7 o $
- N èa?
N 7 o $
" % è
@?
V " o $
- N èa?
N 7 o $
- N è
@?
V " o $
ì￥???¨ ?m
U
151.1
E
{ ?¤ g/
(2).a ?.?
? a ??
y< at b at? a ú a ` aZ aD
?Z
μv
￥
?¨ ?¨a ? V[?
A8 a
￡￥ úa ? V[?
óa a 8é
×
??
b
? a ?μ 'a ?Va ?μa ?
? bμa? ? b ' a ?
^
·$?t8￥?ê
?
s￥ ?? T¨ ? b1 oV
?
sv ??￥a
??v a ? 'a ?Dv a ? -μ?1Vay<
è¨ ￥a ?V
ü
^ ¨ ? ?
Va￥ b 'a ?l?v a ?￥′?1μa ?
? bü
� bV ??
b7=?a ?￥μ′1μa b
? a ?
??a <￥?ê
^
Pa1
=1
d /
ü 2è¨ $
KPa
x
MPaV
Uy<
P¨￥a ??êμ Kg/cm2 mmHgmmHg++
?
ì-W￥1"nV 9.4
?ê 1 B
, H D N
B U N v a
. N ) H . N )
1 B
, H D N
N N ) H
N N )
è ?
Ta ?.?
? ?¨$?a ?
Pá
-W￥ ?h
è ?
9F￥e
???￥ 2 ?
m 9.5
U
m??á
$? 8￥T¨/á
3êM??á
%?á
F?￥è ?
?
3My1è ?
V[¨
/
TV
U,
C= *A / D
T? 1oéè
&1
I1 W
??N Vn 8a ?￥MT¨ ?á
￥ ?9
?
3MYV?
è ?
(￥M ??
8￥a ? b
151.1
E
{ ?¤ g/
151.1
E
{ ?¤ g/
?AaE
Ta ?.?
AaE
Ta ?.?
^ ?¨￥aEr???￥??a ?.?
B v??A￥
¨ ? ?y\??￥?Míq ?
Míq
s?a ?￥T¨? èE′á
3M 3?A
??
1?E′M?￥èEH?B?ò
è B+?
^8
l"
ú?
S? zúúè¨￥Aa ?.?
?V 9.5
?| a ?S ?
0 Q B
èè a
;
?
{
N 7
2
ù
N 7 3 1 B
,êè a
ê μ
N 7
!?
. 1 9
. 1 9
í?ê
. 1 9 N 7 , Q B í?ê
. 1 9 ??ê
. 1 9
. 1 9
??ê
. 1 9
. 1 9
??ê
ì?
^
1
T q,¤1,;out,;s,-:out
151.1
E
{ ?¤ g/
()
.?
? "
?a ?.? ?
y<?
?μ￡?
A
???.? b
1) ￡
dè?￡?.?
? ￡
dè?￡?.? ¤
l
?￡?;L
H
￡?;
￥?
qvl7
{èa?
|¨? |8￥_
?.? ￥??#è
^ ?
m 9.6
U
?m
U.? íq?
s?￡?;Laá
3èYV FET
bv D?èa
{3 g¨?￡?;L￥
? b
151.1
E
{ ?¤ g/
151.1
E
{ ?¤ g/
? |8￥8? 37oCP
·? 9-10um￥￡
?;L ?¨ 8-10umo
o
é￥
íq ￡
d￡?.
? V[_?? |￥
é ?M? b
? ?¨? 1 15-20mm￥
c
\ Vi? V[_?
?
j7r 70o￥10-12m
=
|8 b_?è
^ ?m 9.7
U
151.1
E
{ ?¤ g/
? m? 121=? ￡
dè?￡?.?
P?|bv
?μ |8¤í
Hμ?|á
3YV D1D2á
P ? 5 9014?Y(??×
555è
^
{B?
úè
q
P?è ¤èóB?_??| b 7805
_.? 4B?×?￥ 5Vèa b
m
^.? ?|bvè
^
151.1
E
{ ?¤ g/
.?
{￥èaYV R2C2R4F?bv A1é?b
v ?è ? C5ò?
ò?
A2bv A31èa1? èê W
V[??1? ￥1?èa′ A3￥
{
{ V0èa?
| V0￥ú?Q?
μí |¤í b
3).
A.?
?
A.? · b ?
c￥
￡?
y<
`
è
¨M
A?Bà
Q bM
A
^· b ?
L=
￡? D
M]?/
￡? ￥1′¨?s1V
U b
?
" -¨¤? ￥
^è ?
T
A.? ?¨ b ?
￡?
￥
?Y.? ￥è ?
??
￥ b/
o
+?
¨￥
A.? b
? MHS1100MHS1101è ?
TM
A.? b
? MHS1100MHS1101
^?31n?￥ V[oD￥.?
V[°¤
{L?èaμ?
¤(
MHS1100§
§
¤(
MHS101
?
ì??2 ?m 9.9
U
151.1
E
{ ?¤ g/
?
?
nV
?
?|
Kl′
??′ Kv′ ?ê
A?
S? 3 )
è÷èa 7 4 7 E D
?rè ?
3 )
, ) &
$ 1 '
2
ù
, ) ; D 3 ) 1 '
ˉ
HW
3 ) ? i b
I
4
Atì 3 )
×?? 3 ) : F B S
Y?
HW
3 )
4
L?
3 )
3 )
151.1
E
{ ?¤ g/
151.1
E
{ ?¤ g/
ì￥???¨nm 9.10
^?¨ TLC555"?
è
^?￥?
è
^üM
A°¤[
q?
|
{ V[
EsZL1D?
?¤ b
? ?è
^ a? Fout1
{è ?? ??
2
ù V[ ?¤?
?¨è
^? Fout2
{μ?z￥è
ü 1è÷
èa 3.5 – 12V-WM
qMl? 3%RH b ?è
^?
AD
q1" ?/
A
A
q
A
q
50
151.1
E
{ ?¤ g/
151.1
E
{ ?¤ g/
? m
^ V[|
{?|ù?.
￥MDè
^
^1
L?èa
{7¨ b
151.1
E
{ ?¤ g/
? ?¨.? ü$??
￥?T1
{ ??
??
aa ? a
A?D?è?|
{B??-
1BQMD b.?
{?|μèE aè ? aè? a
èa aè
@ a
q?è?| b"
q?
e?
^
E
b
{￥è?|B??± Dèa?|1
0
0
V) - mV)è
@?|1 nA) - mA) bB?v?
s.? ￥
{D
{+??dL?'?L
??
?f
1"7 O.? ^
s??ìa
? ?7?Y
￥
{+? ??1
^?
e
?è?H?￥? ?? byN.? B?3?¨
aè
@è31
P¨è0è
^?|é
?bv a1? aMD?) ? b
151.1
E
{ ?¤ g/
(1).bvè
^
!9
? bvè
^?1¨?.?
{￥± D?|é?bv a?M a
?? aèa1? aμ÷
ro a
?yT
^¨"?
bv ?
LC￥ b
? "?
bv
^B?"?v￥ú9m )°¤
}b
v
￥?| ?m 9.12 b
? B?¨ ICV
U"?
bv U
E a aU—1
bv
￥
?
{ ?
(]M
{ ?
QM
{ ?
)U01
{èa b
15.1.2.
E
?|) ?/
? "?
bv ￥?1bvè
^μQMbv a]
Mbv aμ?bv ????è
^ ?m 9.13 b
15.1.2.
E
?|) ?/
? m a
^QMbv Rf
^μQ ?èE
{èa
U0=-Ui·Rf/R1=-Ui·A
?
T? A1>ìbv
QMbvè
^?
{
èaD
{ ?èa?M b
15.1.2.
E
?|) ?/
? m b
^]Mbv Rf
^Q ?èE
{èa
U0=Ui·(Rf/R1+1)=Ui·A
?
T? A1>ìbv
]Mbvè
^?
{
èaD
{ ?èa]M
15.1.2.
E
?|) ?/
? m c
^μ?bv Rf
^Q ?èE Rp
^
üèE
{èa
U0=(U1-U2)·Rf/R1
? ?? R1=R2=Rf
H
{èa U0=U1-U2
? è
^ü?1
B?hE
bvè
^ b
15.1.2.
E
?|) ?/
? [
^ ????￥?¨Vm a V[?
%FE
è
^m b V[?
%èa?
è
^nm
9.14 b
15.1.2.
E
?|) ?/
? è¨￥"?
bv μ
0
0
A741 aOP07"
aTLC"
a
TLV"
?
P¨
H1-
%
3"?
bv ￥yT
èa a
]?1 a
{ ?
>?
èa a9m
{èa?′
? ?￥è
^
!9?
¤ ?X
￥rT b
? .?
{?|) ?Z
y131?
kcμv￥
?
z￥± D?|]
Hμ
50Hz/60Hz￥?
@è? ?a
a ?¨NVbv ?bv.?
{￥?| bNVbv
^
B?è
^
="?
+?
bv bm 9.15
^??￥NV
bv AD623￥
=?2
P
¨
Ese??? R0ü V[?
Mbv
b
15.1.2.
E
?|) ?/
(2)
E
^ 71
? ?
?¨"d?èè31 ?.? é??
L=?¨?31
!9
E
^ 71¨?ê4?]￥.
? é?bv) ? bè¨￥
E
^ 71"?è
^μ?
êB CD4051 a
1êB CD4052 ?F
^
_ CD4053 b
15.1.2.
E
?|) ?/
(3).?¨ è
? 1).?¨ ￡
ùèE?
0 - 50 ￥￥è
^
? m? 14031ú ú×a"?è
^1 ￡
ùèE?
è
^
4 ×?￥yTè÷ b Rt1 ￡
ùèED R1F? ??
TL
?n?è
^?èa?|V W1 | W1 aW2¨???
0 ￥￥èa′
{￥
2
ù b
è
^?
a?ê |
íq?
V[r 10mV/0 ￥￥
{ 50 ￥
H￥
{ è a
è
Vr 500mVN è a YV
bv ]Mbv
è
V0￥
{
èa1 0 – 5VNèa V[°¤
{ ?? A/Dè
^é?) ? b
15.1.2.
E
?|) ?/
2).¨ ￡
ùèE1 ?
?ê￥ ￡è
}?
è
^
? m? P1 ￡è
} R1 aR2 aR3 aC1 aC2?
roè
^ D1 a
D2¨? 1
{ ? IC11μQ ?bv b 14034è Bè÷
R4 aR5 aR6 aRtF? ?
?êè B??M
H ￡
ùèE
RtE′á
3Mè B?
üμèa
{i$ IC2bv IC3
1èaFE ü ?
￥?êèaD ￡è
}￥?
{èaM
FaT1? ?￥
{?|?
a ) ? b
15.1.2.
E
?|) ?/
? ?
|8￥?è?|
H???è?| Doμ 0 – 1mV·
·? ?? 1
¤? ?￥?è?|31?¨NVbv
é??|bv bm 9.191?¨ AD623NVbv ?è?|
?￥?¨ b
{ ?
? IC1 aIC21èa?
)[9F
{ ?
E F bD1 – D41 1= 5 R1 – R4 aC1 – C4¨?
ro bV
=?è
{￥èa?NVbv AD623bva ) ? b
" %D
? ?
?¨"d?èè31ü_??
￥ ??M￥
E?|
?
@
?
a ?Aê?D?
3
[L9
é?Fy) ???DV??1 A/D
D????D￥ q?1 A/DD b
A/DD
L=
^9
￥B?
{ ?
!!
" %D ￥?1?
·S,
? 1.sO
qsO
q
? sO
qV
U
{
3
MB?M
#
3
{
?
Eèa￥M
bD ￥sO
q? l1
YèaD 2
n
-1′ ? n1 A/DD ￥ê
è ? B? 8ê A/DD sO
q1
Y
1/2
8
?
Yèa1 5V5
sO
q￥Klè
a′1 5/2
8
=20mv b
? 2.
μ
μ
?
μ
^?? A/DD￥μK
3
E
′
é? ? ? |′
7? ￥μ
μ
B?1 - 4 #
LSB Least Significant Bit
^
3
￥Klμrê
V
U￥
E
4úsO
q
Vh
μ b
μsO
q
^dB￥ b
? 3.Dú Dú
? A/DDú·
B?
L= A/DD
′
D ?X A/D
D é?
/
D￥μ′ V[¨
?Z
T ?V
U
? ? 'ú ¨K?ê
- 4 #￥
V
U ? - 4 #? b
? ?¨ 'ú"[
?′￥?s
?V
U b
? 4.D
HWDD
qD
HWDD
q
? D
HW1??BQ " %D
3 1￥
HW 'V
{ ?
F ??
|?
{
CM?
￥
HWD
HW
a?
{ ??| y
M
? < b
? D
^D
HW￥?
?D
HWé5V
UD
? b
ò?2 ??￥ " %D ￥D
HWμ
?]D
HWK
￥1 ?i? " %D D
HW1 _ O T Q
^?Q1?
T " %D D
HW1 V T Q1?Q/í??
¤￥
^
s
T b
" %D ￥s ?
? " %D?
? ?N ?v
gb
g?￥?
"?
v?
De ? Vs1?Qí
T
s
T 7 'D
T
? 1.?Q/í
T?Q/í
T
? ?Q/í
T " %
°¤
T " %DDúúD
y
^
" -?¨K1<W￥ " %D ??
^ F? ?
??μ1 ?
ê " % % ê￥ " % ? b
? 2.s
Ts
T
?
s
T
^B?W¤ A/DD a?
^ F? ?
? <
Dú ú ? ?
^ D
HW é
?
¤ b1 ?
Dú
31/2ê 14433
41/2ê 7135
? 3.V/FD
TD
T
? V/FD
T
^|
Eèa?|D?
q?| V[}9 A/D
DDúú F? ?
? < b1 ? AD650LM331? b
è¨￥ " %D?
? 15.3è¨￥è¨￥ A/DD?
D?
? 8
^
Eê4 71
^
Eê4 71
? 0809
=μB? 8
^?
E?|
^ 71 ¨ ? MDD
8
^ IN0~IN7
E
{ ? Y? 1?
íir
ALE
?| e?/ V[
íi ADDAADDBADDC
￥1?
?|ür
a e? IN0~IN7
￥
E?|￥ MD b
1?
EY?￥?1" ?/
? ADDC ADDB ADDA
êY?
? 0 0 0 IN0
? 0 0 0 IN1
?,
?,
? 1 1 1 IN7
8ê
ê
A/DD
D
? D 8ê A/DD M1￥ e??|μ
? START ??|
6ˉê 0809/? ?
A/DD b
? EOC D2
{ EOC=0V
U? é? A/D
D E01=1V
UBQDX2
N?| V ¨
TA/DD
^?2
￥_??|? h p?| b
? CLK
Hò?|
{ ? Kú
?′1 640KHZ b
? V
REF
+
V
REF
-
1?μ? Ièa
{ ?
Y
è¤
è¤
+5V¤1 b
? 3. ?
{
íi
?
{
íi
? ?
{
íi
¨?
{
íi& /)
D??a￥
3
b A/DD??
EOC
{B?μ
7D2T 8ê
3
íi ?
{
íi ? b? e?
{
??| OE=1
H5| ?
u 7ü 8êD2T
à??
L
D0~D7 b
? 4.0809￥yT
H?
￥yT
H?
? 0809￥yT
H?nm 15.1
0809￥yT
H?nm 15.1
? ADC0809DD 8031¤ gè
^¤ gè
^
? ADC0809D 8031 ?¤ V?¨°?Z
T9 V?¨?
Z
Tm1? Z
T ? ¤ ? ?
¤
ADC0809
=μ ?
{
íi yN V°¤D 8031¤ g b ?m
U b
? m?| ADC0809T1B?? ?￥i?¤ g?¨
LêE? P2.7
T1 ?D START
ALE ￥?
| ? ?ê1?LD ADDAADDB
ADDC ?¤
[ IN0Y?￥1?1 7FF8H b ? A/DD￥V? ?/
?
1ê?Y?| b
?
2 ? A/D'3?BH,MOVX @DPTRA”
H
á
3?|
P ALESTART μr b
íiY?|i ?
A/DD b
?
3 ?? A/DD2
EOC
?B?
#
h?V
U A/D2
b
?
4 A/DD
?? ???3?,24
;X &%DPTR”·
7á
3?|
P OEμru 7 ?
ê 8ê
L ?? CPU? b
? è [m 15.2
U1 è| IN0~IN7Y? ￥
E
ò?"B
Q2Tb ? 30H~37H?í?/
sY¨°??=?
Z
T
LC b
?
1°?Z
T?? b? ?/
? ORG 0000H
? START MOV R0#30H ; ?"
ib
n?
? MOV DPTR,#7FF8H IN0Y?1?
? MOV R2#08H
E
Y??
? CLR EX0
? LOOP MOVX @R1A ? A/DD
? MOV R3#20H
? DELY DJNZ R3DELY ?? EOC?|M?
? SETB P3.2
? POLL JB P3.2POLL °?D
^?2
? MOVX A,@DPTR |D2T
? MOV @R0A ib2T
? INC R0
? INC DPTR
? DJNZ R2 LOOP 8Y???5?"/B?Y?
? HERE SJMP HERE
? END
?
???μB
ü
H??
"￥
^ A/D ?a3 10usaa EOC?
|?M? b
?
2?Z
T?? b? ?/
? ORG 0000H
? START AJMP MAIN
? ORG 0013H
? AJMP EXINT0
? MAIN MOV R0#30H ?"
ib1?
? MOV R1#7FF8H IN0Y?1?
? MOV R2 #08H
E
Y?
? MOVX @R1A ? A/DD
? SETB IT0 ??? 01H(?Z
T
? SETB EX0
???? 0?
? SETB EA 7bCPU?
? HERE SJMP HERE
? EXINT0 PUSH PSW PUSH PSW 1C?
? CLR RS0
? CLR RS1
? MOVX A,@R1 |D2T
? MOV @R0A ib2T
? INC R0
? INC R1
? DJNZ R2NEXT 8Y???5?"/BY?
? CLR EX0 ?"?85T??
? SJMP DONE
? NEXT MOVX @R1A ?/BY? A/DD
? DONE POP PSW
? RET1
? END
" % ê " %D #¤ g
? 8ê A/DD
t?¨? V
?
@ú1 p
V[
P¨ 10ê 12ê 16ê? A/DD ? 12êD
P¨<W/
o
è ¨ ￥
o è
12ê A/D574D MCS-51?
￥¤ g#??
!9 b
? 1.AD574￥2#??￥2#??
?
12
? AD574
^B??Q/í
T 12ê A/D
=?2 ?m
9.23
^?
E?
3?
=?F?￥ ?
E?
1ú?
￥ AD565? y
"?￥ 12ê DAD
è÷
3?
1??{￥?Q1?7i D
e?è
^
Hò1? 9L¤ g? b???
=c
μúú￥? Ièa÷
Hòè
^?
P
?31 ?
??è
^
Hò?|￥ f ?/?? A/DD?
b
? 5,AD574DD 8031?
?
￥¤ g b
￥¤ g b
? AD574D 8031￥¤ g
è
^ ?m 15.4
U b
? Nè
^?¨
?
{ ?Z
T V 5V 10V
E?|é
?D?? AD574
{ 12ê
[??
|D
2T
H3s
Qé? 5ú 8êa?
a?
4ê b? =0
=1
?sY e? |ú 8ê?
ê?
4ê b
? ?
?¨?°?ü
HZE |D2T/
￥??|
?¨°?Z
T |2T b
n5 ? A/D ?
3?BH
? ?
i% ￥·
7
P CE=1=0R/=0=0 b
Q°? A/DD
^? ?? YV P1.0L?°? STS￥
b? STC=1V
U? D STC=0V
UD2
b Q
s= Q 2T
? CE=1=0R/=1=0 |ú 8
ê CE=1=0R/=1=1 |? 4ê?
￥¤ g
è
^ AD574￥¤ 8031￥
íi1? A7A0D 8031￥
íi1?
A1M ?R/D A0M ? byN ? AD574A￥
g1?1
? ?00H b
? è | ADDa￥ 12ê
i ? 41H40H?°?2T ?/
? MOV DPTR# ? ?00H
g1?? DPTR
? MOVX @DPTRA ? A/D
? SETB P1.0 ?,1”P1.01
{ ?Z
T
? LOOP JB P1.0 LOOP _? P1.0 g
? INC DPTR
P R/1 1
? MOVX A @DPTR ú 8ê
? MOV 41H A ú 8ê
= ?i ? 41H
? INC DPTR
P R/A0 (1 1
? INC DPTR
? MOVX A @DPTR ? 4ê
? ANL A #0FH
à7ú 4ê
? MOV 40HA i ??i ?? 4ê? 40H
s " %D ¤ g/
? MC14433
^ 3ê? A/DD
^
" -<1
@?￥K??￥
s A/DD b??
sZE=Qs
HW?é
?
¤ b
? μ?z￥ F? ??
?ú￥Dú
M?? 11ê=é?1?n
,1?
?
{1?
? e??|
{?
3ê á
í BCD
{?èa?¤
íq
Nì? ÷?+? b
? 1,MC14433?1+??
?1+??
? 1 Dú μ sO
q
? 2 èa | 7 N 7 b
? 3 D
1 3Q /
e ~10Q /
e b
? 4 μV
? 4
?
{S? b
? 2,MC14433￥
=?2#???
￥
=?2#???
?m 15.5
U b
?
Eè
^?sμèa
Eèa
{ ??s b
?èa
?1 199.9mV
1.9999V
??è
a1 +200mV
+2V b
?
3è
^?s?
e? BCD
#
{
íi
^ 71
Hò[# ?
Yn_??è
^F? b
?¨3ê?
á
í BCD
{Z
T b' $ ?
E?ê BCD
}
@1 Q
0
~Q
3
{ b]
H
DS1~DS4
C]?3êêY?| b
? 3.MC14433DD 8031?
￥¤ g
!9?
￥¤ g
!9
? ?? MC14433￥A/DD2T
^?
s
H
{￥ BCD
b Q
0
~Q
3
DS1~DS4 V[YVi? g P1YV ?Z I/Oè
^D M ? b
/
o
￥è
^
^| MC14433D P1 gM ?￥è
^ nm b
? ?¨?Z
T5 ? MC14433 b?? E0CD DU ?¤ B
[
MC14433
1? ?? D bE0CüDd
�? INT1
?
EOC??
# h ??? ??) ?D2T b
L
? ￡üN
3
TIw￥ TLC549
^<W
?¨￥ CMOS 8ê A/DD b??
μB
?
E
{ ?
g 3
￥
1?
{¤ g
V[ZL￥±) ? ??
!! ?¤ b
TLC549??
P¨
{ ?
{
Hò
I/O
CLOCK?
ê4
CS?| e?
bKv￥
{ ?
{
Hò
I/O CLOCK
1 1.1MHz b
L
" % U M D z?A
U??
org 0000h
ad,setb p2.7 ;
P?
t ??
2
mov a,#0
setb p3.5 ;T1--DOUT
setb p3.3 ;INT1--CS
clr p3.4 ;T0--CLK
clr p3.3
acall read
setb p3.3
acall delay
acall display
sjmp ad
read,mov c,p3.5 ; ?D
Bê
rlc a ;|éêPMó A'|D￥
￥Bê ?
mov r4,#07h
re0,setb p3.4 ;? I/O
Hò1ú
nop ;???
nop
clr p3.4 ;? I/O
Hò1?
nop
nop
mov c,p3.5 ; ?D
Bê
rlc a
djnz r4,re0 ;8ê
^??$
setb p3.4
nop
nop
clr p3.4
nop
nop
ret
display:
mov p1,#0
mov r2,a
mov a,r2
anl a,#0f0h
swap a
mov dptr,#tab1
mov r0,a ;
êM
mov r1,#01 ;ê
mov a,r0
movc a,@a+dptr ;°?
orl a,#80h
mov p2,a ;
i
P p2.7=1,ì??
t
?
2
mov a,r1
mov p1,a ;
ê
mov r6,#40h
dl21,mov r7,#5dh
dl11,nop
nop
djnz r7,dl11
djnz r6,dl21
mov a,r2
anl a,#0fh
mov r0,a ;s?/B?1A
U￥
mov a,r1 ;ê
rl a ;ê
PM
mov r1,a
mov a,r0
movc a,@a+dptr ;°?
orl a,#80h
mov p2,a ;
i
P p2.7=1,ì??
t ?
2
mov a,r1
mov p1,a
mov r6,#30h
dl22,mov r7,#7dh
dl12,nop;nop
djnz r7,dl12
djnz r6,dl22
reti
tab1,db 3Fh,06h,5Bh,4Fh,66h,6Dh,7Ddh,07h,7Fh,6Fh,77h,7Ch,39h,5Eh,79h,71h
end
T |?
!y?
3 ?
T C?y#
?
"d 7?
?
?
?
?
" %D¤ g/
15.1
E
{ ?¤ g/
E
{ ?¤ g/
15,2 A/DD ￥?1?
·S#s ?
D ￥?1?
·S#s ?
15.3 è¨￥
è¨￥
A/DD?
D?
?
?¨?èè31?
? a
A a
@
a
aAê aa ?? ?
E
iYV
{ ?¤ g
.
ó?
CPU31
{
E
? e?$ e`
¨?A
U b
E
?|
^ ??M￥èa aè
@?|
D
3
μ'é
￥ uY
E
?|31bv a
ro a
L? a?|MD?B"
￥è
^) ?ü_??￥
E
èa aè
@?MD? 0-5V￥èa?|YV A/V
Dè
^D?M?￥
3
?
{ ??
) ? b]
"?
{￥
3
e?′9aa1YV D/A
Dè
^MD?
E
?
? e?$ e`¨?
￥
A
U byN
E
￥
{ ?
{¤ g/
^?
?¨
?￥B?×1ì? b
151
E
{ ?
{¤ g/
?
?¨?31?
?
A
@
A8a ??v
E
31
{
E
? e?
$ e`é?A
U
E
￥
{ ?
{9
^?
￥
¤ g
^B?×1￥ì? b
E
?|
^ ??M￥è
aè
@?|D
3
μ'éB￥ uY31
E
?|
Hbv
roL??|MD?è
^) ?
ü?
￥
E
èaè
@?|MD? 0-5V￥èa?|
YV A/DDè
^D?M?￥
3
?
{ ??
) ? b]"?
￥ e?′?
9aa1Y
V D/ADè
^MD?
E
?
é? e?A
U by
N
E
￥
{ ?
{
^?
?¨?￥B?×1ì? b
151.1
E
{ ?¤ g/
1..? ￥à
Q
.?
^üB?t ?
D
a
3t
D?
6B?D-μ ???1"￥t ?
Yè
^
è
￥
? b
^?
"d?K×1￥ì? b
.? μ? ? ?B?
^[$??
￥?é ?
sB?
^[.? ￥?
e ? ?s b
?$ ?
?
￥?é ?sμ ￡
?.? ¨
??
? ￡
1 ￡a ?
@
?
? μ
?
?.? ¨??
êM? ???F
? μ?s
? .? ¨??
ò? 8 aA8
￥?s a
i a
á? b
?,? ?
e ? ?sμèE
T aè?
T aè
?
T aE F
T aHè
T a ￡è
T aaè
T? b
.?
?N ¨oòs?
.? ￥'?
?1
μ
?
S? .?
?èyT￥S?
P¨???
P.
? V[
êíq/?v￥?
μ b
L? .? ￥
{ ?D
{￥1"v?s.? ￥
{ ? a
{1"
^dL?￥
P¨?1é?L?) ? b ?¨
?
a V[¨ èq￥ZEé?L?) ? V[eè
^¤?zrT b
2
ù .? ￥
{D
{ ??|-1
2
ùv￥.?
è
^) ?ZLá
ì?.? μ?v￥
2
ù b
oD? ]?.? ￥+??
￥B?á?.? ￥o
D?μó
P¨{ ??ZL b
151.1
E
{ ?¤ g/
2.? aa ??è¨.?
?
?¨?è¨￥?
?
μ?a ?
AA
ê? bá
ìè¨￥.? TBW%￥o
b
(1)?.?
?
^V
Ut8 ? ￡?￥?
b
^?
?¨?K'￥
?
?
b
￡è
}?.?
￡è
}?.?
^[ ￡èr?1$￥| ?i
??]
￥?8 A-BF?B?>í
^o1
ì￥
?¤? t1t2
￥??] í
^ úüá
3 ￡è?
] ?m 9.1
U
151.1
E
{ ?¤ g/
2.? aa ??è¨.?
?
?¨?è¨￥?
?
μ?a ?
AA
ê? bá
ìè¨￥.? TBW%￥o
b
(1)?.?
?
^V
Ut8 ? ￡?￥?
b
^?
?¨?K'
￥?
?
b
￡è
}?.?
￡è
}?.?
^[ ￡èr?1$￥| ?i
??
]￥?8 A-BF?B?>í
^o1
ì￥
?¤? t1
t2￥??] í
^ úüá
3 ￡è?
] ?m
U
151.1
E
{ ?¤ g/
￡è
}è B?ê?
è
^? Rt1 ￡
ùèE? ?
?M
H?? ￡
ùèE￥?êT¨ h"
?
?M￥?Y4ú
?
￥ú b è¨ ￡
è
}￥}|s|#?
S?nV 9.1 b
? }| s
!|
?
S? oC
^ - B^ WRC
TCK -200-+300
[e - I^ WRK
EEA-2 0-800
[e -
[A WRN
KEU-2 0-1300
s?
10
-s WRP
SLB-3 0-1600
s?
10
-s?
6
WRR
BLB-2 0-1800
151.1
E
{ ?¤ g/
￡è
}￥??S? -180-2800oC ￡è
}￥
{ ￡
è
]DyT
?μ1D1?
￥?μ1
[ ?
H31é? ?
?ê ￡è
}￥è¨?
è
^ ?m
U b
￡èE?.?
^ ?¨sèE^èE ￡
ùèE￥E′
?7
M￥e ??
?￥?B ?.? ￥
a¨S? -200-+650oCμ
?ú￥
2
ù bsèEDèE￥1"1
T? Rt——?toC
HsèE￥èE′ b R0——?0oC
HsèE￥è
E′ b
A——3.90802*10-3/oC B— -5.802*10-7/oC C—— -4027350*10-12/oC
è¨￥sèE.? μ Pt100Pt100
^· 0oC
HsèE￥èE′1
100$ b
^èE
^ ?¨^
′L ??￥?.? è¨? -50-+150oCS?
￥èE′D?￥1" ?/
Rt= R0
1+% t
T? Rt——?t oC
H^èE￥èE′ b R0——?0 oC
H^èE￥
èE′ b
% ——^èE?"
1 425*10-3/oC
è¨￥^èE.? μ Cu100
Cu50=?
^· 0oC
H^èE￥è
E′1 100$
50$ b
?¨sèE a^èEB ? ￡èET1?.?
H???￥
Mo? l￥èE′M
[ ￡èE￥?
è
^�
üè
B ??
,
( )[ ]
32
0
C1001 ttCBtAtRRt °?+++=
151.1
E
{ ?¤ g/
? m? Rt aR2 aR3 aR4F?B??
üè Bè B￥yTè
÷1 ERt1 ￡èE¨??
s?￥M G1?
üè B￥
{
è
@ b
?
!
ü
H R3=R4R2=Rto(Rto
^ ￡èE to?
H￥èE′ )
???V toM?M? t
H ￡èE Rt=Rto+rr1?M? ￥è
E′
*
1è B￥ A aB
á
3B??
üèa U1
U=Ito·r·R3/((R2+R3)+r) ? Ito
^ to?
H
@Vè B|
^￥è
@
￡
ùèE
^B? ?¨Btá
t?1 è
2?￥èE
′
?7M￥.? b ￡
ùèE
2
ùú8lQ? y
P¨
p
é b
a¨￥?
S?1 -50oC-+300oC b ￡
ùèEμ??
"
￡
ùèE (PTCμ?"
￡
ùèE
NTC
"??"
￡
ùèE
CTR ?? ?? b??"
￡
ùèEè¨???
êè
^? ?
ú?μ1 3-5oC
"?"
￡
ùèE
?
"??￥èE′?
3$ M¨???
￥?1
^μ?"
￡
ùèE
￥èE′D?T
K￥1" ?/
T
T? RT01 T0
K?
H ￡
ùèE￥′ b B1è
3000-5000P
· b ￡
ùèE￥+?
^
?
2
ùú?¨bv ü V[
{+?èa?|) ?ZL b
8lQ? y V[??ò??￥.? bNìLR?L
μ V[-
{?9
a¨?é ??
b
? dL??×1é?L
3) ? b[ MF5E"
￡
ùèE1 è
μ R25=550K$,10K$,100K$ ? ?ì b
? ??8"??.?
? ??8"??.? ￥L?z
P¨ZL V[°¤
{
èa?|è
@?|�|nV 9.3 b
)/1/1(exp(
00
TTBRR
TT
=
151.1
E
{ ?¤ g/
?|
?
S? o $
{?| ?"
9 $ " èa?
N 7 o $
9 $ $ èa?
N 7 o $
- 9 èa?
N 7 o $
- N èa?
N 7 o $
" % è
@?
V " o $
- N èa?
N 7 o $
- N è
@?
V " o $
ì￥???¨ ?m
U
151.1
E
{ ?¤ g/
(2).a ?.?
? a ??
y< at b at? a ú a ` aZ aD
?Z
μv
￥
?¨ ?¨a ? V[?
A8 a
￡￥ úa ? V[?
óa a 8é
×
??
b
? a ?μ 'a ?Va ?μa ?
? bμa? ? b ' a ?
^
·$?t8￥?ê
?
s￥ ?? T¨ ? b1 oV
?
sv ??￥a
??v a ? 'a ?Dv a ? -μ?1Vay<
è¨ ￥a ?V
ü
^ ¨ ? ?
Va￥ b 'a ?l?v a ?￥′?1μa ?
? bü
� bV ??
b7=?a ?￥μ′1μa b
? a ?
??a <￥?ê
^
Pa1
=1
d /
ü 2è¨ $
KPa
x
MPaV
Uy<
P¨￥a ??êμ Kg/cm2 mmHgmmHg++
?
ì-W￥1"nV 9.4
?ê 1 B
, H D N
B U N v a
. N ) H . N )
1 B
, H D N
N N ) H
N N )
è ?
Ta ?.?
? ?¨$?a ?
Pá
-W￥ ?h
è ?
9F￥e
???￥ 2 ?
m 9.5
U
m??á
$? 8￥T¨/á
3êM??á
%?á
F?￥è ?
?
3My1è ?
V[¨
/
TV
U,
C= *A / D
T? 1oéè
&1
I1 W
??N Vn 8a ?￥MT¨ ?á
￥ ?9
?
3MYV?
è ?
(￥M ??
8￥a ? b
151.1
E
{ ?¤ g/
151.1
E
{ ?¤ g/
?AaE
Ta ?.?
AaE
Ta ?.?
^ ?¨￥aEr???￥??a ?.?
B v??A￥
¨ ? ?y\??￥?Míq ?
Míq
s?a ?￥T¨? èE′á
3M 3?A
??
1?E′M?￥èEH?B?ò
è B+?
^8
l"
ú?
S? zúúè¨￥Aa ?.?
?V 9.5
?| a ?S ?
0 Q B
èè a
;
?
{
N 7
2
ù
N 7 3 1 B
,êè a
ê μ
N 7
!?
. 1 9
. 1 9
í?ê
. 1 9 N 7 , Q B í?ê
. 1 9 ??ê
. 1 9
. 1 9
??ê
. 1 9
. 1 9
??ê
ì?
^
1
T q,¤1,;out,;s,-:out
151.1
E
{ ?¤ g/
()
.?
? "
?a ?.? ?
y<?
?μ￡?
A
???.? b
1) ￡
dè?￡?.?
? ￡
dè?￡?.? ¤
l
?￡?;L
H
￡?;
￥?
qvl7
{èa?
|¨? |8￥_
?.? ￥??#è
^ ?
m 9.6
U
?m
U.? íq?
s?￡?;Laá
3èYV FET
bv D?èa
{3 g¨?￡?;L￥
? b
151.1
E
{ ?¤ g/
151.1
E
{ ?¤ g/
? |8￥8? 37oCP
·? 9-10um￥￡
?;L ?¨ 8-10umo
o
é￥
íq ￡
d￡?.
? V[_?? |￥
é ?M? b
? ?¨? 1 15-20mm￥
c
\ Vi? V[_?
?
j7r 70o￥10-12m
=
|8 b_?è
^ ?m 9.7
U
151.1
E
{ ?¤ g/
? m? 121=? ￡
dè?￡?.?
P?|bv
?μ |8¤í
Hμ?|á
3YV D1D2á
P ? 5 9014?Y(??×
555è
^
{B?
úè
q
P?è ¤èóB?_??| b 7805
_.? 4B?×?￥ 5Vèa b
m
^.? ?|bvè
^
151.1
E
{ ?¤ g/
.?
{￥èaYV R2C2R4F?bv A1é?b
v ?è ? C5ò?
ò?
A2bv A31èa1? èê W
V[??1? ￥1?èa′ A3￥
{
{ V0èa?
| V0￥ú?Q?
μí |¤í b
3).
A.?
?
A.? · b ?
c￥
￡?
y<
`
è
¨M
A?Bà
Q bM
A
^· b ?
L=
￡? D
M]?/
￡? ￥1′¨?s1V
U b
?
" -¨¤? ￥
^è ?
T
A.? ?¨ b ?
￡?
￥
?Y.? ￥è ?
??
￥ b/
o
+?
¨￥
A.? b
? MHS1100MHS1101è ?
TM
A.? b
? MHS1100MHS1101
^?31n?￥ V[oD￥.?
V[°¤
{L?èaμ?
¤(
MHS1100§
§
¤(
MHS101
?
ì??2 ?m 9.9
U
151.1
E
{ ?¤ g/
?
?
nV
?
?|
Kl′
??′ Kv′ ?ê
A?
S? 3 )
è÷èa 7 4 7 E D
?rè ?
3 )
, ) &
$ 1 '
2
ù
, ) ; D 3 ) 1 '
ˉ
HW
3 ) ? i b
I
4
Atì 3 )
×?? 3 ) : F B S
Y?
HW
3 )
4
L?
3 )
3 )
151.1
E
{ ?¤ g/
151.1
E
{ ?¤ g/
ì￥???¨nm 9.10
^?¨ TLC555"?
è
^?￥?
è
^üM
A°¤[
q?
|
{ V[
EsZL1D?
?¤ b
? ?è
^ a? Fout1
{è ?? ??
2
ù V[ ?¤?
?¨è
^? Fout2
{μ?z￥è
ü 1è÷
èa 3.5 – 12V-WM
qMl? 3%RH b ?è
^?
AD
q1" ?/
A
A
q
A
q
50
151.1
E
{ ?¤ g/
151.1
E
{ ?¤ g/
? m
^ V[|
{?|ù?.
￥MDè
^
^1
L?èa
{7¨ b
151.1
E
{ ?¤ g/
? ?¨.? ü$??
￥?T1
{ ??
??
aa ? a
A?D?è?|
{B??-
1BQMD b.?
{?|μèE aè ? aè? a
èa aè
@ a
q?è?| b"
q?
e?
^
E
b
{￥è?|B??± Dèa?|1
0
0
V) - mV)è
@?|1 nA) - mA) bB?v?
s.? ￥
{D
{+??dL?'?L
??
?f
1"7 O.? ^
s??ìa
? ?7?Y
￥
{+? ??1
^?
e
?è?H?￥? ?? byN.? B?3?¨
aè
@è31
P¨è0è
^?|é
?bv a1? aMD?) ? b
151.1
E
{ ?¤ g/
(1).bvè
^
!9
? bvè
^?1¨?.?
{￥± D?|é?bv a?M a
?? aèa1? aμ÷
ro a
?yT
^¨"?
bv ?
LC￥ b
? "?
bv
^B?"?v￥ú9m )°¤
}b
v
￥?| ?m 9.12 b
? B?¨ ICV
U"?
bv U
E a aU—1
bv
￥
?
{ ?
(]M
{ ?
QM
{ ?
)U01
{èa b
15.1.2.
E
?|) ?/
? "?
bv ￥?1bvè
^μQMbv a]
Mbv aμ?bv ????è
^ ?m 9.13 b
15.1.2.
E
?|) ?/
? m a
^QMbv Rf
^μQ ?èE
{èa
U0=-Ui·Rf/R1=-Ui·A
?
T? A1>ìbv
QMbvè
^?
{
èaD
{ ?èa?M b
15.1.2.
E
?|) ?/
? m b
^]Mbv Rf
^Q ?èE
{èa
U0=Ui·(Rf/R1+1)=Ui·A
?
T? A1>ìbv
]Mbvè
^?
{
èaD
{ ?èa]M
15.1.2.
E
?|) ?/
? m c
^μ?bv Rf
^Q ?èE Rp
^
üèE
{èa
U0=(U1-U2)·Rf/R1
? ?? R1=R2=Rf
H
{èa U0=U1-U2
? è
^ü?1
B?hE
bvè
^ b
15.1.2.
E
?|) ?/
? [
^ ????￥?¨Vm a V[?
%FE
è
^m b V[?
%èa?
è
^nm
9.14 b
15.1.2.
E
?|) ?/
? è¨￥"?
bv μ
0
0
A741 aOP07"
aTLC"
a
TLV"
?
P¨
H1-
%
3"?
bv ￥yT
èa a
]?1 a
{ ?
>?
èa a9m
{èa?′
? ?￥è
^
!9?
¤ ?X
￥rT b
? .?
{?|) ?Z
y131?
kcμv￥
?
z￥± D?|]
Hμ
50Hz/60Hz￥?
@è? ?a
a ?¨NVbv ?bv.?
{￥?| bNVbv
^
B?è
^
="?
+?
bv bm 9.15
^??￥NV
bv AD623￥
=?2
P
¨
Ese??? R0ü V[?
Mbv
b
15.1.2.
E
?|) ?/
(2)
E
^ 71
? ?
?¨"d?èè31 ?.? é??
L=?¨?31
!9
E
^ 71¨?ê4?]￥.
? é?bv) ? bè¨￥
E
^ 71"?è
^μ?
êB CD4051 a
1êB CD4052 ?F
^
_ CD4053 b
15.1.2.
E
?|) ?/
(3).?¨ è
? 1).?¨ ￡
ùèE?
0 - 50 ￥￥è
^
? m? 14031ú ú×a"?è
^1 ￡
ùèE?
è
^
4 ×?￥yTè÷ b Rt1 ￡
ùèED R1F? ??
TL
?n?è
^?èa?|V W1 | W1 aW2¨???
0 ￥￥èa′
{￥
2
ù b
è
^?
a?ê |
íq?
V[r 10mV/0 ￥￥
{ 50 ￥
H￥
{ è a
è
Vr 500mVN è a YV
bv ]Mbv
è
V0￥
{
èa1 0 – 5VNèa V[°¤
{ ?? A/Dè
^é?) ? b
15.1.2.
E
?|) ?/
2).¨ ￡
ùèE1 ?
?ê￥ ￡è
}?
è
^
? m? P1 ￡è
} R1 aR2 aR3 aC1 aC2?
roè
^ D1 a
D2¨? 1
{ ? IC11μQ ?bv b 14034è Bè÷
R4 aR5 aR6 aRtF? ?
?êè B??M
H ￡
ùèE
RtE′á
3Mè B?
üμèa
{i$ IC2bv IC3
1èaFE ü ?
￥?êèaD ￡è
}￥?
{èaM
FaT1? ?￥
{?|?
a ) ? b
15.1.2.
E
?|) ?/
? ?
|8￥?è?|
H???è?| Doμ 0 – 1mV·
·? ?? 1
¤? ?￥?è?|31?¨NVbv
é??|bv bm 9.191?¨ AD623NVbv ?è?|
?￥?¨ b
{ ?
? IC1 aIC21èa?
)[9F
{ ?
E F bD1 – D41 1= 5 R1 – R4 aC1 – C4¨?
ro bV
=?è
{￥èa?NVbv AD623bva ) ? b
" %D
? ?
?¨"d?èè31ü_??
￥ ??M￥
E?|
?
@
?
a ?Aê?D?
3
[L9
é?Fy) ???DV??1 A/D
D????D￥ q?1 A/DD b
A/DD
L=
^9
￥B?
{ ?
!!
" %D ￥?1?
·S,
? 1.sO
qsO
q
? sO
qV
U
{
3
MB?M
#
3
{
?
Eèa￥M
bD ￥sO
q? l1
YèaD 2
n
-1′ ? n1 A/DD ￥ê
è ? B? 8ê A/DD sO
q1
Y
1/2
8
?
Yèa1 5V5
sO
q￥Klè
a′1 5/2
8
=20mv b
? 2.
μ
μ
?
μ
^?? A/DD￥μK
3
E
′
é? ? ? |′
7? ￥μ
μ
B?1 - 4 #
LSB Least Significant Bit
^
3
￥Klμrê
V
U￥
E
4úsO
q
Vh
μ b
μsO
q
^dB￥ b
? 3.Dú Dú
? A/DDú·
B?
L= A/DD
′
D ?X A/D
D é?
/
D￥μ′ V[¨
?Z
T ?V
U
? ? 'ú ¨K?ê
- 4 #￥
V
U ? - 4 #? b
? ?¨ 'ú"[
?′￥?s
?V
U b
? 4.D
HWDD
qD
HWDD
q
? D
HW1??BQ " %D
3 1￥
HW 'V
{ ?
F ??
|?
{
CM?
￥
HWD
HW
a?
{ ??| y
M
? < b
? D
^D
HW￥?
?D
HWé5V
UD
? b
ò?2 ??￥ " %D ￥D
HWμ
?]D
HWK
￥1 ?i? " %D D
HW1 _ O T Q
^?Q1?
T " %D D
HW1 V T Q1?Q/í??
¤￥
^
s
T b
" %D ￥s ?
? " %D?
? ?N ?v
gb
g?￥?
"?
v?
De ? Vs1?Qí
T
s
T 7 'D
T
? 1.?Q/í
T?Q/í
T
? ?Q/í
T " %
°¤
T " %DDúúD
y
^
" -?¨K1<W￥ " %D ??
^ F? ?
??μ1 ?
ê " % % ê￥ " % ? b
? 2.s
Ts
T
?
s
T
^B?W¤ A/DD a?
^ F? ?
? <
Dú ú ? ?
^ D
HW é
?
¤ b1 ?
Dú
31/2ê 14433
41/2ê 7135
? 3.V/FD
TD
T
? V/FD
T
^|
Eèa?|D?
q?| V[}9 A/D
DDúú F? ?
? < b1 ? AD650LM331? b
è¨￥ " %D?
? 15.3è¨￥è¨￥ A/DD?
D?
? 8
^
Eê4 71
^
Eê4 71
? 0809
=μB? 8
^?
E?|
^ 71 ¨ ? MDD
8
^ IN0~IN7
E
{ ? Y? 1?
íir
ALE
?| e?/ V[
íi ADDAADDBADDC
￥1?
?|ür
a e? IN0~IN7
￥
E?|￥ MD b
1?
EY?￥?1" ?/
? ADDC ADDB ADDA
êY?
? 0 0 0 IN0
? 0 0 0 IN1
?,
?,
? 1 1 1 IN7
8ê
ê
A/DD
D
? D 8ê A/DD M1￥ e??|μ
? START ??|
6ˉê 0809/? ?
A/DD b
? EOC D2
{ EOC=0V
U? é? A/D
D E01=1V
UBQDX2
N?| V ¨
TA/DD
^?2
￥_??|? h p?| b
? CLK
Hò?|
{ ? Kú
?′1 640KHZ b
? V
REF
+
V
REF
-
1?μ? Ièa
{ ?
Y
è¤
è¤
+5V¤1 b
? 3. ?
{
íi
?
{
íi
? ?
{
íi
¨?
{
íi& /)
D??a￥
3
b A/DD??
EOC
{B?μ
7D2T 8ê
3
íi ?
{
íi ? b? e?
{
??| OE=1
H5| ?
u 7ü 8êD2T
à??
L
D0~D7 b
? 4.0809￥yT
H?
￥yT
H?
? 0809￥yT
H?nm 15.1
0809￥yT
H?nm 15.1
? ADC0809DD 8031¤ gè
^¤ gè
^
? ADC0809D 8031 ?¤ V?¨°?Z
T9 V?¨?
Z
Tm1? Z
T ? ¤ ? ?
¤
ADC0809
=μ ?
{
íi yN V°¤D 8031¤ g b ?m
U b
? m?| ADC0809T1B?? ?￥i?¤ g?¨
LêE? P2.7
T1 ?D START
ALE ￥?
| ? ?ê1?LD ADDAADDB
ADDC ?¤
[ IN0Y?￥1?1 7FF8H b ? A/DD￥V? ?/
?
1ê?Y?| b
?
2 ? A/D'3?BH,MOVX @DPTRA”
H
á
3?|
P ALESTART μr b
íiY?|i ?
A/DD b
?
3 ?? A/DD2
EOC
?B?
#
h?V
U A/D2
b
?
4 A/DD
?? ???3?,24
;X &%DPTR”·
7á
3?|
P OEμru 7 ?
ê 8ê
L ?? CPU? b
? è [m 15.2
U1 è| IN0~IN7Y? ￥
E
ò?"B
Q2Tb ? 30H~37H?í?/
sY¨°??=?
Z
T
LC b
?
1°?Z
T?? b? ?/
? ORG 0000H
? START MOV R0#30H ; ?"
ib
n?
? MOV DPTR,#7FF8H IN0Y?1?
? MOV R2#08H
E
Y??
? CLR EX0
? LOOP MOVX @R1A ? A/DD
? MOV R3#20H
? DELY DJNZ R3DELY ?? EOC?|M?
? SETB P3.2
? POLL JB P3.2POLL °?D
^?2
? MOVX A,@DPTR |D2T
? MOV @R0A ib2T
? INC R0
? INC DPTR
? DJNZ R2 LOOP 8Y???5?"/B?Y?
? HERE SJMP HERE
? END
?
???μB
ü
H??
"￥
^ A/D ?a3 10usaa EOC?
|?M? b
?
2?Z
T?? b? ?/
? ORG 0000H
? START AJMP MAIN
? ORG 0013H
? AJMP EXINT0
? MAIN MOV R0#30H ?"
ib1?
? MOV R1#7FF8H IN0Y?1?
? MOV R2 #08H
E
Y?
? MOVX @R1A ? A/DD
? SETB IT0 ??? 01H(?Z
T
? SETB EX0
???? 0?
? SETB EA 7bCPU?
? HERE SJMP HERE
? EXINT0 PUSH PSW PUSH PSW 1C?
? CLR RS0
? CLR RS1
? MOVX A,@R1 |D2T
? MOV @R0A ib2T
? INC R0
? INC R1
? DJNZ R2NEXT 8Y???5?"/BY?
? CLR EX0 ?"?85T??
? SJMP DONE
? NEXT MOVX @R1A ?/BY? A/DD
? DONE POP PSW
? RET1
? END
" % ê " %D #¤ g
? 8ê A/DD
t?¨? V
?
@ú1 p
V[
P¨ 10ê 12ê 16ê? A/DD ? 12êD
P¨<W/
o
è ¨ ￥
o è
12ê A/D574D MCS-51?
￥¤ g#??
!9 b
? 1.AD574￥2#??￥2#??
?
12
? AD574
^B??Q/í
T 12ê A/D
=?2 ?m
9.23
^?
E?
3?
=?F?￥ ?
E?
1ú?
￥ AD565? y
"?￥ 12ê DAD
è÷
3?
1??{￥?Q1?7i D
e?è
^
Hò1? 9L¤ g? b???
=c
μúú￥? Ièa÷
Hòè
^?
P
?31 ?
??è
^
Hò?|￥ f ?/?? A/DD?
b
? 5,AD574DD 8031?
?
￥¤ g b
￥¤ g b
? AD574D 8031￥¤ g
è
^ ?m 15.4
U b
? Nè
^?¨
?
{ ?Z
T V 5V 10V
E?|é
?D?? AD574
{ 12ê
[??
|D
2T
H3s
Qé? 5ú 8êa?
a?
4ê b? =0
=1
?sY e? |ú 8ê?
ê?
4ê b
? ?
?¨?°?ü
HZE |D2T/
￥??|
?¨°?Z
T |2T b
n5 ? A/D ?
3?BH
? ?
i% ￥·
7
P CE=1=0R/=0=0 b
Q°? A/DD
^? ?? YV P1.0L?°? STS￥
b? STC=1V
U? D STC=0V
UD2
b Q
s= Q 2T
? CE=1=0R/=1=0 |ú 8
ê CE=1=0R/=1=1 |? 4ê?
￥¤ g
è
^ AD574￥¤ 8031￥
íi1? A7A0D 8031￥
íi1?
A1M ?R/D A0M ? byN ? AD574A￥
g1?1
? ?00H b
? è | ADDa￥ 12ê
i ? 41H40H?°?2T ?/
? MOV DPTR# ? ?00H
g1?? DPTR
? MOVX @DPTRA ? A/D
? SETB P1.0 ?,1”P1.01
{ ?Z
T
? LOOP JB P1.0 LOOP _? P1.0 g
? INC DPTR
P R/1 1
? MOVX A @DPTR ú 8ê
? MOV 41H A ú 8ê
= ?i ? 41H
? INC DPTR
P R/A0 (1 1
? INC DPTR
? MOVX A @DPTR ? 4ê
? ANL A #0FH
à7ú 4ê
? MOV 40HA i ??i ?? 4ê? 40H
s " %D ¤ g/
? MC14433
^ 3ê? A/DD
^
" -<1
@?￥K??￥
s A/DD b??
sZE=Qs
HW?é
?
¤ b
? μ?z￥ F? ??
?ú￥Dú
M?? 11ê=é?1?n
,1?
?
{1?
? e??|
{?
3ê á
í BCD
{?èa?¤
íq
Nì? ÷?+? b
? 1,MC14433?1+??
?1+??
? 1 Dú μ sO
q
? 2 èa | 7 N 7 b
? 3 D
1 3Q /
e ~10Q /
e b
? 4 μV
? 4
?
{S? b
? 2,MC14433￥
=?2#???
￥
=?2#???
?m 15.5
U b
?
Eè
^?sμèa
Eèa
{ ??s b
?èa
?1 199.9mV
1.9999V
??è
a1 +200mV
+2V b
?
3è
^?s?
e? BCD
#
{
íi
^ 71
Hò[# ?
Yn_??è
^F? b
?¨3ê?
á
í BCD
{Z
T b' $ ?
E?ê BCD
}
@1 Q
0
~Q
3
{ b]
H
DS1~DS4
C]?3êêY?| b
? 3.MC14433DD 8031?
￥¤ g
!9?
￥¤ g
!9
? ?? MC14433￥A/DD2T
^?
s
H
{￥ BCD
b Q
0
~Q
3
DS1~DS4 V[YVi? g P1YV ?Z I/Oè
^D M ? b
/
o
￥è
^
^| MC14433D P1 gM ?￥è
^ nm b
? ?¨?Z
T5 ? MC14433 b?? E0CD DU ?¤ B
[
MC14433
1? ?? D bE0CüDd
�? INT1
?
EOC??
# h ??? ??) ?D2T b
L
? ￡üN
3
TIw￥ TLC549
^<W
?¨￥ CMOS 8ê A/DD b??
μB
?
E
{ ?
g 3
￥
1?
{¤ g
V[ZL￥±) ? ??
!! ?¤ b
TLC549??
P¨
{ ?
{
Hò
I/O
CLOCK?
ê4
CS?| e?
bKv￥
{ ?
{
Hò
I/O CLOCK
1 1.1MHz b
L
" % U M D z?A
U??
org 0000h
ad,setb p2.7 ;
P?
t ??
2
mov a,#0
setb p3.5 ;T1--DOUT
setb p3.3 ;INT1--CS
clr p3.4 ;T0--CLK
clr p3.3
acall read
setb p3.3
acall delay
acall display
sjmp ad
read,mov c,p3.5 ; ?D
Bê
rlc a ;|éêPMó A'|D￥
￥Bê ?
mov r4,#07h
re0,setb p3.4 ;? I/O
Hò1ú
nop ;???
nop
clr p3.4 ;? I/O
Hò1?
nop
nop
mov c,p3.5 ; ?D
Bê
rlc a
djnz r4,re0 ;8ê
^??$
setb p3.4
nop
nop
clr p3.4
nop
nop
ret
display:
mov p1,#0
mov r2,a
mov a,r2
anl a,#0f0h
swap a
mov dptr,#tab1
mov r0,a ;
êM
mov r1,#01 ;ê
mov a,r0
movc a,@a+dptr ;°?
orl a,#80h
mov p2,a ;
i
P p2.7=1,ì??
t
?
2
mov a,r1
mov p1,a ;
ê
mov r6,#40h
dl21,mov r7,#5dh
dl11,nop
nop
djnz r7,dl11
djnz r6,dl21
mov a,r2
anl a,#0fh
mov r0,a ;s?/B?1A
U￥
mov a,r1 ;ê
rl a ;ê
PM
mov r1,a
mov a,r0
movc a,@a+dptr ;°?
orl a,#80h
mov p2,a ;
i
P p2.7=1,ì??
t ?
2
mov a,r1
mov p1,a
mov r6,#30h
dl22,mov r7,#7dh
dl12,nop;nop
djnz r7,dl12
djnz r6,dl22
reti
tab1,db 3Fh,06h,5Bh,4Fh,66h,6Dh,7Ddh,07h,7Fh,6Fh,77h,7Ch,39h,5Eh,79h,71h
end
