Sony DPP-MS300E Service Manual page 60

Pin No. Pin Name
52 3.3V/5V
53 J/U
54 CP
55 VSS
56 CS
57 FLASH
58 XACK
59 NC
60 STB
61 VSS
62 NC
63 VCC
64 NC
65 CD#
66 CD
67 VBLK
68 XSTB
69 AT-FD
70 READY
71 VSS
72 SEL IN
73 to 76 D15 to D12
77 VCC
78 D11
79 VSS
80 to 82 D10 to D8
83, 84 D7, D6
85 VCC
86 D5
87 VSS
88 to 92 D4 to D0
93 VSS
94 XTL
95 MD3
96 EXTL
97 MD2
98 XINIT
99 VCC/FWP
100 RESET
101 XWAIT
I/O
O
3.3V/5V selection signal output terminal "L": 3.3V, "H": 5V
I
Setting terminal for the destination Not used (open)
Power on/off control signal output for the PC card and memory stick interface power supply
O
"H": power on
— Ground terminal
O
Chip select signal output for the PC card interface
O
Chip select signal output to the ROM (IC506) "L" active
O
Acknowledge signal output to the centronics parallel port
—
Not used (open)
I
Strobe signal input from the centronics parallel port
—
Ground terminal
— Not used (open)
—
Power supply terminal (+5V)
—
Not used (open)
I
Card in or not detection signal input from the PC card slot
I
Card in or not detection signal input from the PC card slot
I
V blanking signal input from the A/D, D/A converter (IC407) "L" active
I
Strobe signal input from the centronics parallel port
I AUTO FD input from the centronics parallel port
I
Interrupt request signal input from the PC card controller (IC1501)
—
Ground terminal
O
Select in input from the centronics parallel port
Two-way data bus with the A/D, D/A converter (IC407), mechanism controller (IC505) and
I/O
D-RAM (IC509) (upper 8 bit)
— Power supply terminal (+5V)
Two-way data bus with the A/D, D/A converter (IC407), mechanism controller (IC505) and
I/O
D-RAM (IC509) (upper 8 bit)
— Ground terminal
Two-way data bus with the A/D, D/A converter (IC407), mechanism controller (IC505) and
I/O
D-RAM (IC509) (upper 8 bit)
Two-way data bus with the A/D, D/A converter (IC407), mechanism controller (IC505), ROM
I/O
(IC506), D-RAM (IC509), PC card controller (IC1501) and PC card slot (lower 8 bit)
Data input from the centronics parallel port
— Power supply terminal (+5V)
Two-way data bus with the A/D, D/A converter (IC407), mechanism controller (IC505), ROM
I/O
(IC506), D-RAM (IC509), PC card controller (IC1501) and PC card slot (lower 8 bit)
Data input from the centronics parallel port
— Ground terminal
Two-way data bus with the A/D, D/A converter (IC407), mechanism controller (IC505), ROM
I/O (IC506), D-RAM (IC509), PC card controller (IC1501) and PC card slot (lower 8 bit)
Data input from the centronics parallel port
—
Ground terminal
I
System clock input terminal (7.159 MHz)
I
Setting terminal for the CPU operational mode (fixed at "H" in this set)
O System clock output terminal (7.159 MHz)
I
Setting terminal for the CPU operational mode (fixed at "L" in this set)
I
Interrupt request signal input from the centronics parallel port
O
Communication bus control signal output to the external port (normally: pull up)
O
Reset signal output to the PC card controller (IC1501) and PC card slot
I
Wait control input from the PC card controller (IC1501) "L" active
Description
5-63