Sony DVP-S9 - Page 55

55
DVP-S9
• MAIN BOARD IC401 M30622MAA-B33FP (INTERFACE CONTROLLER)
Pin No. Pin Name I/O Description
1 to 7
NC — Not used (open)
8
BYTE I
External data bus line byte selection signal input “L”: 16 bits, “H”: 8 bits
Not used (fixed at “L”)
9CNVSS —
Processor mode switch terminal (for test)
10
NC — Not used (fixed at “L”)
11
NC — Not used (open)
12
RESET I System reset signal input terminal
13
X-OUT
O
System clock output terminal (16 MHz)
14 VSS —
Ground terminal
15
X-IN
I
System clock input terminal (16 MHz)
16 VCC —
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal Not used (fixed at “H”)
18
NC — Not used (open)
19
SYS CS
I
Chip select signal input from the system controller (IC103)
20 to 28
NC — Not used (open)
29
IIC-CLK I/O Communication data reading clock signal input or transfer clock signal output terminal
30 IIC-DATA I/O
Communication data bus terminal
31
TXD1 I Serial data input terminal (for test)
32
RXD1 O serial data output terminal (for test)
33
CLK1 O Serial clock signal output terminal (for test)
34
RTS1 O RTS signal output terminal (for test)
35 SYS DATAOUT O
serial data output to the system controller (IC103)
36 SYS DATAIN I
serial data input from the system controller (IC103)
37 SYS CLK O
Serial clock signal output to the system controller (IC103)
38
SYS POWER
O
Power ON/OFF control signal output terminal “H”: ON Not used (open)
39
NC — Not used (open)
40
SYS RST O System reset signal output terminal “L”: reset
41
NO-USE — Not used (fixed at “L”)
42 SYS RQ O
Interrupt request signal output to the system controller (IC103)
43
SYS OK
O
System OK signal output to the system controller (IC103)
44 P.CONT O
Power block ON/OFF control signal output terminal “H”: ON
45 NC —
Not used (open)
46 NC —
Not used (fixed at “H”)
47
DVDFRCHK
O
Flash memory (for DVD) check signal output terminal Not used (fixed at “H”)
48
VMUTE O Mute signal output to the video buffer (IC701) “H”: mute
49, 50 NC —
Not used (open)
51
NC — Not used (fixed at “H”)
52 NC —
Not used (open)
53 B-TRIG O
Deck-B trigger plunger drive signal output terminal “H”: trigger plunger on
54
ECO CHECK — Not used (fixed at “H”)
55 A-TRIG O
Deck-A trigger plunger drive signal output terminal “H”: trigger plunger on
56 to 58
NC — Not used (open)
59
REC/PB/PASS
O
Recording/playback/pass selection signal output terminal
“L”: recording, center voltage: playback, “H”: pass
60, 61
NC — Not used (open)