Sony MEX-1HD - Audio Library System, Руководство по обслуживанию

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88
MEX-1HD
Pin No. Pin Name I/O Description
54 to 56 DB12 to DB14 I/O
Two-way data bus with the CPU, CPU/ATA interface IC, USB interface IC, display controller,
64MB flash memory and 128MB SD-RAM
57 VSS6 — Ground terminal
58 DB15 I/O
Two-way data bus with the CPU, CPU/ATA interface IC, USB interface IC, display controller,
64MB flash memory and 128MB SD-RAM
59 to 63 ADR0 to ADR4 I
Address signal input from the CPU
64 VSS7 —
Ground terminal
65, 66 ADR5, ADR6 I
Address signal input from the CPU
67 VDD3 —
Power supply terminal (+1.8V)
68 VDE4 —
Power supply terminal (+3.3V)
69 to 71 ADR7 to ADR9 I
Address signal input from the CPU
72 VSS8 —
Ground terminal
73 to 77
ADR10 to ADR14
I
Address signal input from the CPU
78 XRD I
Read enable signal input from the CPU
79 VSS9 —
Ground terminal
80 XWRU I
Write enable signal input from the CPU (upper byte)
81 XWRL I
Write enable signal input from the CPU (lower byte)
82 XCS I
Chip select signal input from the CPU
83 VDE5 —
Power supply terminal (+3.3V)
84 VDD4 —
Power supply terminal (+1.8V)
85 XIRQ O
Interrupt request signal output to the ATA interface
86 XDREQ0 O
USB DMA request signal output terminal Not used
87 VSS10 —
Ground terminal
88 XDACK0 I
USB DMA acknowledge signal input terminal Not used
89 XDREQ1 O
USB DMA request signal output terminal Not used
90 XDACK1 I
USB DMA acknowledge signal input terminal Not used
91 SIOSI I
Serial data input from the EEPROM
92 SIOSO O
Serial data output to the EEPROM
93 SIOCS O
Chip select signal output to the EEPROM
94 VSS11 —
Ground terminal
95 SIOCK O
Serial data transfer clock signal output to the EEPROM
96 ACLK I
ATRAC3 data transfer clock signal input terminal Not used
97 XARQ O
ATRAC3 data request signal output terminal Not used
98 VDE6 —
Power supply terminal (+3.3V)
99 XABS I
ATRAC3 data request signal input terminal Not used
100 ACDO O
ATRAC3 data output terminal Not used
101 ACDI I
ATRAC3 data input terminal Not used
102 DP3 O
System wake up request signal output terminal Not used
103 TKURST I
Not used
104 TKDBG I
Not used
105 VDD5 —
Power supply terminal (+1.8V)
106 VSS12 —
Ground terminal
107 TKTCK I
Not used
108 TKTDI I
Not used
109 TKTMS I
Not used
110 TKTDO O
Not used