Sanyo DC-PT80 Service Manual page 24

Dvd micro system
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IC BLOCK DIAGRAM & DESCRIPTION
IC601 LC877B40A (Micro computer)
SIO0
SIO1
Timer 0
(Higt speed clock counter)
Timer 1
Base timer
LCD display
controler
INT0~5
Noise elimination filter
Timer 4
Timer 5
Interrupt control
Stand-by control
CF
RC
MRC
X'tal
Bus interface
Low signal
detection
Timer 6
Timer 7
Port 0
Port 1
Port 3
Port 7
Port 8
ADC
- 23 -
IR
PLA
ROM
PC
ACC
B register
C register
ALU
PSW
RAR
RAM
Stack pointer
Watchdog timer

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