JVC MX-J570V Service Manual page 60

MX-J570V/MX-J680V
UPD6461GS-635-X (IC151) : 16MB SDRAM
1.Pin layout
1
CLK
CS 2
3
DATA
PCL 4
5
VDD
6
CKOUT
OSCOUT 7
8
OSCIN
TEST 9
10
VSS
2.Pin function
Pin No. Symbol
1
CLK
2
CS
3
DATA
4
PCL
5
VDD
6
CKOUT
7
OSCOUT
8
OSCIN
9
TEST
10
VSS
11
BLK1
1-60
20
HSYNC
19 VSYNC
18
VB
17 VG
16
VR
15
VBLK
14 VC2
13
BLK2
12 VC1
11
BLK1
Description
Clock signal input
Chip select input
Serial data input
Power ON clear
Power supply
Non connect
Non connect
Oscillation terminal (output)
Connect to GND
Connect to GND
Non connect
Pin No. Symbol
VC1
12
BLK2
13
VC2
14
VBLK
15
VR
16
VG
17
VB
18
VSYNC
19
HSYNC
20
Description
Non connect
Non connect
Non connect
Blanking signal output
Character signal output
Character signal output
Character signal output
Vertical synchronizing
signal input
Horizontal synchronizing
signal input