Kenwood KDC-MP4033 Service Manual page 8

KDC-MP2032/MP232/MP4033/
KDC-MP4033S/W4534/W4534Y
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
41,42 NC
43 RD
44 ASTB
45 NC
46 NC
47~54 AD0~AD7
55 BVdd
56 BVss
57~61 AB8~AB12
62~65 NC
66 CS
67 DSP RESET
68~70 NC
71 Avdd
72 Avss
73 Avref
74 NC
75 RAMSEL
76 RZM
77 LZM
78 AAC
79 ASEL
80 E2P WR
81 TEST I 0
82 TEST I 1
83 TEST I 2
84 TEST I 3
85,86 NC
87 MSTOP
88 INTSV
89~92 NC
93 D-MUTE
94 SYS SDA
95 NC
96 SYS SCL
97~99 NC
100 E2P SDA
8
I/O Application
- Not used.
O Multiplex RD signal
O Multiplex ASTB signal
- Not used.
- Not used.
I/O Multiplex address/data
- BUS interface power supply
- BUS interface GND
I/O Multiplex data/address
- Not used.
O Chip select control
O DSP reset control
- Not used.
-
-
I A/D port reference voltage input
- Not used.
With DRAM/No DRAM switching
I
for different models
I 0bit MUTE detection
I 0bit MUTE detection
I AAC compatibility switching
I Audio output polarity switching
I E2PROM write switching
I TEST MODE I 0
I TEST MODE I 1
I TEST MODE I 2
I TEST MODE I 3
- Not used.
I Standby restart interruption
I Interruption from servo IC
- Not used.
O Driver MUTE
System µ-com I2C data
I/O
- Not used.
System µ-com I2C clock
I/O
- Not used.
I/O ROM correction E2P I2C data
Processing Operation
Description
Low-fixed
Low-fixed
Low-fixed
Low-fixed
H : OFF, L : ON
H : NORMAL, L : RESET
Low-fixed
Low-fixed
H : With DRAM, L : No DRAM
H : ≥1.7V, L : <1.7V
H : ≥1.7V, L : <1.7V
H : AAC non-compatible,
L : AAC compatible
H : Reverse output,
L : Non-reverse output
H : E2PROM WRITE,
L : NORMAL
(Not used.)
(Not used.)
(Not used.)
(Not used.)
Low-fixed
H : STOP release, L : STOP
H : Interruption
Low-fixed
H : OFF, L : ON
Low-fixed
Low-fixed
Remarks
3.3V driven
3.3V driven
3.3V driven
3.3V driven
3.3V driven
3.3V driven
3.3V driven
3.3V driven
3.3V driven
3.3V driven
3.3V driven
AAC non-compatible mode has priority
for both hardware and software.
Flash write port (SI0)
Flash write port (SO0)
Flash write port (SCK0)