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IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q802 : MPD789071MC 8-Bit Microprocessor
PIN LAYOUT
P10
1
P31/BZO90
2
IC
3
RESET
4
X2
5
X1
6
Vss
7
Vdd
8
P30/TO90
9
P27/TI80/TO80
10
P26/INTP2/CPT90
11
P25/INTP1
12
P24/INTP0
13
P23/SS20
14
P22/SI20/Rx20
15
8-bit TIMER/ EVENT
COUNTER80
16-bit TIMER
COUNTER90
WATCHDOG TIMER
SIO20
INTERRUPT
CONTROL
30
P11
29
P12
28
P13
27
P14
26
P15
25
P00
24
P01
23
P02
22
P03
21
P04
20
P05
19
P06
18
P07
17
P20/SCK20/ASCK20
16
P21/SO20/TxD20
78K/OS
ROM
CPU CORE
2K bite
RAM
256 bite
V
Vss
IC
DD
PORT0
P00-P07
PORT1
P10-P15
PORT1
P20-P27
PORT3
P30,P31
RESET
SYSTEM
X1
CONTROL
X2
DV-SP55
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