Kenwood KDC-MP732, Руководство по обслуживанию

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KDC-MP732
14
Pin No. Pin Name I/O Application
Processing Operation
Remarks
Description
41,42 NC - Not used. Low-fixed 3.3V driven
43 RD O Multiplex RD signal 3.3V driven
44 ASTB O Multiplex ASTB signal 3.3V driven
45 NC - Not used. Low-fixed 3.3V driven
46 NC - Not used. Low-fixed 3.3V driven
47~54 AD0~AD7 I/O Multiplex address/data 3.3V driven
55 BVdd - BUS interface power supply
56 BVss - BUS interface GND
57~61 AB8~AB12 I/O Multiplex data/address 3.3V driven
62~65 NC - Not used. Low-fixed 3.3V driven
66 CS O Chip select control H : OFF, L : ON 3.3V driven
67 DSP RESET O DSP reset control H : NORMAL, L : RESET 3.3V driven
68~70 NC - Not used. Low-fixed 3.3V driven
71 Avdd -
72 Avss -
73 Avref I A/D port reference voltage input
74 NC - Not used. Low-fixed
75 RAMSEL I
With DRAM/No DRAM switching
H : With DRAM, L : No DRAM
for different models
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, AAC non-compatible mode has priority
L : AAC compatible for both hardware and software.
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-fixed
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-fixed
93 D-MUTE O Driver MUTE H : OFF, L : ON
94 SYS SDA I/O System
µ
-com I2C data Flash write port (SI0)
95 NC - Not used. Low-fixed Flash write port (SO0)
96 SYS SCL I/O System
µ
-com I2C clock Flash write port (SCK0)
97~99 NC - Not used. Low-fixed
100 E2P SDA I/O ROM correction E2P I2C data
MICROCOMPUTER’S TERMINAL DESCRIPTION