JVC MX-G70 Service Manual page 48

MX-G70
2. Block diagram
T100/TO0/P70
TI01/P71
TI50/TO50/P72
TI51/TO51/P73
SI30/P20
SO30/P21
SCK30/P22
SI31/P34
SO31/P35
SCK31/P36
RxD0/P23
TxD1/P24
ASCK0/P25
ANO0/P10 to ANI7/P17
AV
DD
AVss
AV
REF
INTP0/P00 to INTP3/P03
BUZ/P75
PCL/P74
1-48
16bit Timer/
event counter
8bit Timer/
event counter 50
8bit Timer/
event counter 51
Watchdog timer
Watch timer
78K/0
CPU core
Serial
interface30
Serial
interface31
RAM
1024 Bytes
UART0
A/D
converter
Interruput
control
Buzzer output
Clock output
V
DD0
control
ROM
32k Bytes
System control
V Vss Vss IC
DD1 0 1
Port 0
P00 to P03
P10 to P17
Port 1
P20 to P25
Port 2
Port 3 P30 to P36
Port 4 P40 to P47
Port 5 P50 to P57
Port 6
P64 to P67
Port 7 P70 to P75
AD0/P40 to AD7/P47
A8P50 to A15/P57
EXTERNAL
ACCESS
RD/P64
WR/P65
WAIT/P66
ASTB/P67
RESET
X1
X2
XT1
XT2