Kenwood KDC-M7024, Service Manual

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KDC-M7024/MP822
10
Pin No. Pin Name I/O Use Processing Operation
STBY
Processing
56 BVss - Bus interface GND.
57~64 AD8~AD15 I/O Multiplex data/address Out-Low
65 /HCSB O Chip select control. H : OFF, L : ON Low
66 /CS O Chip select control. H : OFF, L : ON Low
67 DSP RESET O DSP reset control. H : Normal. L : Reset Low
68 REQ I Data transfer request input. Hi-Z
69 DBBWRDY0 I DBB00 register write permission input. Hi-Z
70 DBBRRDY0 I DBB00 register read permission input. Hi-Z
71 Avdd -
72 Avss -
73 Avref I A/D port reference voltage input.
74 WTS I WMA table select. H : WMA8 table, L : WMA9 table Hi-Z
75 MDL_SEL I Model port changeover. H : 03 model, L : 02 model Hi-Z
76, 77 NC I Not used. Fixed Low Hi-Z
78 HOT I Temperature rise detection. Detection voltage : 4V, Reset voltage 3.9V Hi-Z
79 NC I Not used. Fixed Low Hi-Z
80 WMA I WMA correspond changeover. H : DXM6500 (With WMA), L : DXM6400 (Without WMA) Hi-Z
81 NC I Not used. Hi-Z
82 ASEL I Audio output pole changeover. H : Invert output, L : Normal output Hi-Z
83 DASC I Shock proof changeover. H : Shock proof OFF, L : Shock proof ON Hi-Z
84 E2P_WR I E2PROM write changeover. H : E2PROM write, L : Normal Hi-Z
85 PIC_SEL I PICK UP changeover. H : KPC6C, L : KSS710 Hi-Z
86 NC O Not used. Fixed Low Low
87 MSTOP I Standby restart interrupt. H : Standby, L: Stop Hi-Z (Low input)
88 INTSV I Servo IC interrupt. H : Interrupt Hi-Z
89 FOGUP I Focus gain up interrupt. H : Focus gain up, L : Normal Hi-Z
90 ZMUTE_R I 0 bit mute detection. H : Mute ON, L : Mute OFF Hi-Z
91 ZMUTE_L I 0 bit mute detection. H : Mute ON, L : Mute OFF Hi-Z
92 NC O Not used. Fixed Low Low
93 D-MUTE O Driver mute. H : OFF, L : ON Low
94 SYS_SDA I/O System
µ
-com I2C data. Hi-Z
95 NC O Not used. Fixed Low Low
96 SYS_SCL I/O System
µ
-com I2C clock. Hi-Z
97~99 NC O Not used. Fixed Low Low
100 E2P_SDA O ROM correction E2P I2C data. Hi-Z
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