Sanyo DC-PT100XE Service Manual page 25

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IC BLOCK DIAGRAM & DESCRIPTION
IC470 M38507M8-168FP(Op.Amp Micro Computer)
X
X
IN
OUT
19
20
Sub-
Sub-
clock
clock
input
output
X
X
CIN
OUT
Ciock generating
circuit
R A M
Watchdog
timer
Reset
A-D
PWM
converter
(8)
(10)
2 3
4 5 6 7 8
IC472,881 KRX101U
(Switching Application
Interface Circuit and Driver
Circuit Application)
5
Q1
1
2
V
V
SS
CC
21
1
C P U
R O N
PC
H
SI/O(8)
INT
-
0
INT
3
P4(5)
P3(5)
38 39 40 41 42
IC473,802 PST3627U(Monolithic IC)
V
DD
4
Q2
3
GND
GND 1
V
2
DD
RESET
CNV
18
15
A
X
Y
S
PC
L
PS
2
I C
P2(8)
9 10 11 12 13 14 16 17
2
Vref
1
PIN No.
4
OUT
1
2
3
3
C
D
4
- 26 -
SS
Prescaler 12(8)
Prescaler X(8)
CNTR
0
Prescaler Y(8)
CNTR
1
XCOUT
XCIN
P1(8)
22 23 24 25
29
30 31 32 33 34 35 36 37
26
27
28
R
D
3
C
D
PIN NAME
FUNCTIONS
GND
GND Pin
V
V
Pin / Voltage Detect Pin
DD
DD
C
Capacitor Connect Pin with Delay
D
OUT
Reset Signal Output Pin
Timer 1(8)
Timer 2(8)
Timer X(8)
Timer Y(8)
P0(8)
4
OUT

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