Kenwood DPX-302, Service Manual

Page: 9 / 38

Pin No. Pin Name I/O Application Processing Operation Description
45 NC - Not used Low-fi xed
46 NC - Not used Low-fi xed
47~54 AD0~AD7 I/O Multiplex address/data
55 BVdd - BUS interface power supply
56 BVss - BUS interface GND
57~61 AB8~AB12 I/O Multiplex data/address
62~65 NC - Not used Low-fi xed
66 CS O Chip select control H : OFF, L : ON
67 DSP RESET O DSP reset control H : NORMAL, L : RESET
68~70 NC - Not used Low-fi xed
71 Avdd -
72 Avss -
73 Avref I A/D port reference voltage input
74 RAMSEL2 I With DRAM/No DRAM switching for different models H : With DRAM, L : No DRAM
75 RAMSEL I With DRAM/No DRAM switching for different models H : With DRAM, L : No DRAM
76 RZM I 0bit MUTE detection H : ≥ 1.7V, L : <1.7V
77 LZM I 0bit MUTE detection H : ≥ 1.7V, L : <1.7V
78 AAC I AAC compatibility switching H : AAC non-compatible, L : AAC compatible
79 ASEL I Audio output polarity switching H : Reverse output, L : Non-reverse output
80 E2P WR I E2PROM write switching H : E2PROM WRITE, L : NORMAL
81 TEST I 0 I TEST MODE I 0 (Not used)
82 TEST I 1 I TEST MODE I 1 (Not used)
83 TEST I 2 I TEST MODE I 2 (Not used)
84 TEST I 3 I TEST MODE I 3 (Not used)
85,86 NC - Not used Low-fi xed
87 MSTOP I Standby restart interruption H : STOP release, L : STOP
88 INTSV I Interruption from servo IC H : Interruption
89~92 NC - Not used Low-fi xed
93 D-MUTE O Driver MUTE H : OFF, L : ON
94 SYS SDA I/O System µ-com I2C data
95 NC - Not used Low-fi xed
96 SYS SCL I/O System µ-com I2C clock
97~99 NC - Not used Low-fi xed
100 E2P SDA I/O ROM correction E2P I2C data
MICROCOMPUTER’S TERMINAL DESCRIPTION
9
DPX302,DPX-MP2100