Kenwood KDC-MP628 Service Manual page 13

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
44 ASTB O
45 NC O
46 NC O
47~54 AD0~AD7 I/O
55 BVdd -
56 BVss -
57~61 AB8~AB12 I/O
62~65 NC O
66 CS O
67 DSP RESET O
68~70 NC O
71 Avdd -
72 Avss -
73 Avref I
74 NC I
75 RAMSEL I
76 RZM I
77 LZM I
78 AAC I
79 ASEL I
80 E2P_WR I
81 TEST_I 0 I
82 TEST_I 1 I
83 TEST_I 2 I
84 TEST_I 3 I
85 NC I
86 NC O
87 MSTOP I
88 INTSV I
89~92 NC O
93 D-MUTE O
94 SYS_SDA I/O
95 NC O
96 SYS_SCL I/O
97~99 NC O
100 E2P_SDA I/O
Application
Multiplex ASTB signal
Not used.
Not used.
Multiplex address/data
Bus interface power supply
Bus interface GND
Multiplex data/address
Not used.
Chip select control
DSP reset control
Not used.
A/D port reference voltage input
Not used.
With DRAM/No DRAM switching
for different models
0bit MUTE detection
0bit MUTE detection
AAC compatibility switching
Audio output polarity switching
E2PROM write switching
TEST MODE I 0
TEST MODE I 1
TEST MODE I 2
TEST MODE I 3
Not used.
Not used.
Standby restart interruption
Interruption from servo IC
Not used.
Driver MUTE
System µ-com I2C data
Not used.
System µ-com I2C clock
Not used.
ROM correction E2P I2C data
KDC-MP628/MP7028/MP728
Processing Operation
Description
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
Low-fixed
H : STOP release, L : STOP
H : Interruption
Low-fixed
H : OFF, L : ON
Low-fixed
Low-fixed
MP8029/W7031/W7031Y
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
AAC non-compatible mode has priority
for both hardware and software.
Flash write port (SI0)
Flash write port (SO0)
Flash write port (SCK0)
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