Microcomputer's Terminal Description - Kenwood KVT-910DVD Service Manual

MICROCOMPUTER'S TERMINAL DESCRIPTION

GVIDEO U-COM (IC10:X14-634X-XX) HD6417040ACFI28
Pin Name
1 TEST1
2 TEST2
3 Vss
4 A0
5 A1
6 A2
7 A3
8 A4
9 A5
10 A6
11 A7
12 A8
13 A9
14 A10
15 A11
16 A12
17 A13
18 A14
19 A15
20 A16
21 Vcc
22 A17
23 Vss
24 RAS
25 CASL
26 CASH
27 Vss
28 RDWR
29 A18
30 A19
31 WAIT
32 CLK_SEL
33 Vss
34 RD
35 WDTOVF
36 WRH
37 Vcc
38 WRL
39 Vss
40 CS_L64021
I/O Function
Test mode setting1 for image quality adjustment
I
(Refer to separate sheet.)
Test mode setting2 for image quality adjustment
I
(Refer to separate sheet.)
- GND
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
- Power source
O Address bus
- GND
O D-RAM RAS signal output
O D-RAM CAS Low signal output
O D-RAM CAS High signal output
- GND
O D-RAM READ/WRITE signal output
O Address bus (Need pulldown)
O Address bus (Need pulldown)
I WAIT signal input (L64021) (Need pullup)
O PLL-IC clock mode selection signal output for A_DAC
- GND
O READ signal output
O Not used (Internally used)
O Not used WRITE signal (High position)
- Power source
O WRITE signal (Low position)
- GND
O Chip select (L64021)
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
Description of Processing
H: Normal
L: Test mode
H: Macro Vision OFF/L: Macro Vision ON
(Effective when pin 1 [TEST1] is in test mode.)
H:16.9344MHz/L:36.864MHz
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