Kenwood KDC-W4031 [8/38] Microcomputer s terminal description

Kenwood KDC-WF431A [8/38] Microcomputer s terminal description
8
KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
CD MECHANISM µ-COM : IC1 on X32- (CD PLAYER UNIT)
Pin No.
Active
Pin Name I/O Application Processing Operation
(H/L)
1 VREFL - Reference power supply input terminal for ADC (L). GND
2AVSS - GND terminal for ADC. GND
3AVCC - Power supply terminal for ADC. Back-up 3.3V
4NC-
5L20RST O Reset control (Decoder). L : Reset, H : Normal condition
6 20ACK I Acknowledge signal input (Decoder).
7 20STBY O Standby control (Decoder). H : Standby, L : Normal condition
8,9 NC -
10 20INT I Interrupt signal input (Decoder).
11 FOGUP I Focus gain-up interrupt. H : Focus gain-up, L : Normal condition
12 LZM I 0 bit mute detection (Lch). L : MUTE OFF, H : MUTE ON
13 RZM I 0 bit mute detection (Rch). L : MUTE OFF, H : MUTE ON
14,15 NC -
16 L 20CS O Chip select signal output (Decoder).
17 L 20LP O Latch pulse signal output (Decoder).
18 20TXD0 I/O Data output for serial data (Decoder). Input condition is kept except in output condition.
19 20RXD0 I Data input for serial data (Decoder).
20 20SCLK0 O Clock output for serial data (Decoder).
21 DSPTXD1 O Data output for serial data (DSP).
22 DSPRXD1 I Data input for serial data (DSP).
23 DSPSCLK1 O Clock output for serial data (DSP).
24 AM0 - ROM mode selection terminal. H : Normal condition, L : External ROM mode
25 DVCC - Back-up 3.3V.
26 X2 O Resonator terminal. 16MHz
27 DVSS - GND.
28 X1 I Resonator terminal. 16MHz
29 AM1 I “H” condition is fixed. Back-up 3.3V
30 L RESET I Reset detection. L : Reset, H : Normal condition
31~34 NC -
35 L DSPSTB O Data strobe signal output (DSP).
36 DSPA0 O
Command/Parameter identification signal output H : Parameter data output,
(DSP). L : Command data output
37 L DSPRST O Reset control (DSP).
38 DSPINT I Interrupt signal input (DSP). H : Interrupt
39 NC -
40 SEARCH O Search condition output. H : Search, L : Normal condition
41 LOE/LIM SW I
Loading-end detection/Pick-up inner circumference detection
H : Inner circumference
42~49 NC -
MICROCOMPUTER’S TERMINAL DESCRIPTION

Содержание