Sanyo DC-MP4500(BK)/XE Service Manual page 19

IC BLOCK DIAGRAM & DESCRIPTION
IC651 TMP87EP26F-4K76 (Micro Controller)
VDD
VSS
VLC
BOOT
RESET
System Controller
TEST
Standby Controller
Timing Generator
XIN
High frequ.
XOUT
Low frequ.
P2
IC180 MX29F004TPC-70 (4M-Bit CMOS Flash Memory)
PIN CONFIGURATIONS
32PDIP
A18 1
A16 2
A15 3
A12 4
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
Q0 13
Q1 14
Q2 15
GND 16
PIN DESCRIPTION
SYMBOL
A0~A18
Q0~Q7
CE
WE
OE
VCC
GND
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Common output
PSW
Flags RBS
ALU
Time Base
Timer
Clock
Generator
Watchdog
Timer
8bit
P5 P0
AD converter
CE
32 VCC
31 WE
OE
30 A17
WE
29 A14
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 Q7
20 Q6 A0~A18
19 Q5
18 Q4
17 Q3
PIN NAME
Address Input
Data Input/Output
Chip Enable Input
Write Enable Input
Output Enable Input
Single Power Supply Pin (+5V)
Ground Pin
Segment output
LOD Driver
Data Memory
Stack Pointer
Data Memory
(RAM)
(EEPROM)
Register banks
Interrupt Controller
16-bit 8-bit
Timer/Counter Timer/Counter Interfaces
TC1 TC2 TC3 TC5 SIO1 SIO2
P4 P3
I/O ports
CONTROL
PRPGRA/ERASE
INPUT
HIGH VOLTAGE
LOGIC
MX29F004T/B
ADDRESS
FLASH
ARRAY
LATCH
AND
BUFFER
Y-PASS GATE
SENSE
AMPLIFIER
DATA LATCH
I/O BUFFER
Q0~Q7
- 18 -
I/O ports (Segment output)
P6 P7 P8 P9
Program
Counter
Program Memory
MROM
EEPROM
BOOT
Serial
Inst. Register
Inst. Decoder
P4 PD
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER
ARRAY
SOURCE
HV
COMMAND
DATA
DECODER
PGM
DATA
HV
COMMAND
DATA LATCH
PROGRAM