Sony DPP-MS300E, Руководство по обслуживанию

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MP-40 BOARD IC1502 HD6433032ST06X (MEMORY STICK/PC CARD MICRO COMPUTER)
Pin No. Pin Name I/O Description
1 PB0 O
Reset signal output to the memory stick controller (IC1503)
2 to 4 NC —
Not used (open)
5 PB4 —
Not used (open)
6 PB5 O
Power on/off control signal output for the memory stick +3.3V power supply “H”: power on
7 to 10 NC —
Not used (open)
11 IREQ4 I
Interrupt request signal input from the PC card controller (IC1501)
12 VSS —
Ground terminal
13 to 20 D0 to D7 I/O
Two-way data bus with the PC card controller (IC1501), memory stick controller (IC1503) and
static RAM (IC1504)
21 VCC —
Power supply terminal (+5V)
22 to 29 A0 to A7 I
Address signal input from the PC card controller (IC1501)
30 VSS —
Ground terminal
31 to 37 A8 to A14 I
Address signal input from the PC card controller (IC1501)
38 NC —
Not used (open)
39 to 41 A16 to A18 I
Address signal input from the PC card controller (IC1501)
42 NC —
Not used (open)
43 P6 0 —
Not used (fixed at “H”)
44 MD0 I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
45 MD1 I
Setting terminal for the CPU operational mode (fixed at “L” in this set)
46 EXTAL0 I
System clock (10 MHz) signal input from the PC card controller (IC1501)
47 ST BY I
Standby signal input terminal (fixed at “H” in this set)
48 RES I
Reset signal input from the PC card controller (IC1501)
49 NMI I
Non-maskable interrupt input terminal Fixed at “H” in this set
50 VSS —
Ground terminal
51 EXTAL I
Clock signal input from the PC card controller (IC1501)
52 NC —
Not used (open)
53 VCC —
Power supply terminal (+5V)
54 AS I
Address strobe signal input from the PC card controller (IC1501)
55 RD I
Data read enable signal input from the PC card controller (IC1501)
56 WR I
Data write enable signal input from the PC card controller (IC1501)
57 NC —
Not used (open)
58 VSS —
Ground terminal
59 P7 0 —
Not used (fixed at “H”)
60 to 66 VSS —
Ground terminal
67, 68 VCC —
Power supply terminal (+5V)
69 IREQ0 I
Interrupt request signal input from the PC card controller (IC1501)
70 IREQ1 I
Interrupt request signal input from the PC card controller (IC1501)
71 IREQ2 I
Interrupt request signal input from the PC card controller (IC1501)
72 IREQ3 I
Interrupt request signal input from the memory stick controller (IC1503)
73 PA0 O
Chip enable signal output to the static RAM (IC1504)
74 to 80 NC —
Not used (open)