17
CDX-MP80
Pin No. Pin Name I/O Pin Description
53 AVREF — Reference voltage pin (+3.3 V) for A/D converter
54 AVCC — Power supply pin (+3.3 V) for A/D converter
55 MD0 — CPU operation mode setting Connecting to VCC (+3.3 V) in this set.
56 MD1 — CPU operation mode setting Connecting to VCC (+3.3 V) in this set.
57 OSC2 — Not used. (Open)
58 OSC1 — Connecting to ground in this set.
59 RSTX I CPU reset signal input
60 NMI O Connecting to VCC (+3.3 V) in this set.
61 STBY — Connecting to VCC (+3.3 V) in this set.
62 VCC — Power supply pin (+3.3 V)
63 XTAL — Crystal oscillator (12.288 MHz)
64 VSS — Ground pin
65 XTXAL — Crystal oscillator (12.288 MHz)
66 F WE — Flash write enable
67 MD2 — CPU operation mode setting
68 FL BOOT I Flash write-in mode select signal input
69 FL W O Flash write control signal output
70 CD ON O CD servo power control signal output
71 CDM ON O Not used. (Open)
72 DEC INT I DEC interrupt signal input
73 NC O Not used. (Open)
74 LINK OFF O Link off signal output
75 EJECT KEY I Eject key signal input
76 UNI SO O SONY bus serial data output
77 UNI SI I SONY bus serial data input
78 UNI CK I SONY bus clock signal input
79 NC O Not used. (Open)
80 SDA I/O I2C interface data input/output
81 SCL O I2C interface clock signal output
82, 83 NC O Not used. (Open)
84 SQSO I Sub-code Q data input
85 SQCK O Sub-code Q read-out clock signal output
86 LED DAT O LED data output
87 LED CLK O LED clock signal output
88 LED LAT O LED latch signal output
89, 90 NC O Not used. (Open)
91 BUS ON I Bus ON signal input
92 BU CHK I Back up voltage detect signal input
93 NC O Not used. (Open)
94 NC O Not used.
95, 96 NC O Not used. (Open)
97 TEXT SEL I CD text function select signal input
98 ESP SEL I ESP function select signal input
99 CF SEL I Custom file function select signal input
100 DOUT SEL I Digital-out select signal input
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