JVC KD-SX8250 Service Manual

1-22
KD-SX8250/KD-SX780
SYSTEM
CONTROL
PORT 13
PORT 12
PORT 10
PORT 9
PORT 8
PORT 7
PORT 6
PORT 5
PORT 4
PORT 3
PORT 2
PORT 1
PORT 0
BUS I/F
CLOCKED
SERIAL
INTERFACE
UART/IOE2
BAUD-RATE
GENERATOR
UART/IOE1
BAUD-RATE
GENERATOR
PROGRAMMABEL
INTERRUPT
CONTROLLER
INTP2/NMI
INTP0,INTP1
INTP3-INTP6
TI00
TI01
TO0
TI1
TO1
TI2
TO2
TI5/TO5
TI6/TO6
TI7/TO7
TI8/TO8
RTP0-RTP7
ANI0-ANI7
AV R
EF0
AV DD
AV SS
PCL
BUZ
TEST
V
SS
V DD
XT2
XT1
X2
X1
RESET
P130,P131
P120-P127
P100-P103
P90-P95
P80-P87
P70-P72
P60-P67
P50-P57
P40-P47
P30-P37
P20-P27
P10-P17
P00-P06
WAIT
ASTB
WR
RD
A16-A19
A8-A15
A0-A7
AD0-AD7
SCK0
SO0
SI0
ASCK2/SCK2
TxD2/SO2
RxD2/SI2
ASCK1/SCK1
TxD1/SO1
RxD1/SI1
ANO0
ANO1
AV R
EF1
AV SS
TIMER/COUNTER
(16 BITS)
TIMER/COUNTER1
(8 BITS)
TIMER/COUNTER2
(8 BITS)
78K/IV
CPU CORE
ROM
RAM
TIMER/COUNTER5
(8 BITS)
TIMER/COUNTER6
(8 BITS)
TIMER/COUNTER7
(8 BITS)
TIMER/COUNTER8
(8 BITS)
WATCH TIMER
WATCHDOG
TIMER
REAL-TIME
OUTPUT PORT
D/A
CONVERTER
A/D
CONVERTER
CLOCK OUTPUT
CONTROL
BUZZER OUTPUT
UPD784215AGC143(IC701):MAIN CPU
1.Pin layout
2.Block diagram
76
75 51
100
125
50
26
Description of major ICs
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

JVC KD-SX8250 Specifications

General

Brand	JVC
Model	KD-SX8250
Category	Car Receiver
Language	English