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KDC-9026R/PSW9527
KDC-W9027/X979
QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
SYSTEM MICROPROCESSOR : 703030YGCJ07-A (X34-305 : IC1)
Pin No.
Pin Name
1
CD SDA
2
TUN SCL
3
RDS AFS M
4
NC
5
CD SCL
6
EVDD
7
EVSS
8
RDS AFS L
9
PWIC BEEP
10
REMO
11
BMS
12
DSP RQ
13
DSP SI
14
DSP CLK
15
DSP CODEC RST O
16
DSP INT RST
TE
17
DSP MUTE
L 13942296513
18
TEST
19
PWIC MUTE
20
P STBY
21
P CON
22
DIAG
23
MUTE
24
MUTE PRE R
25
MUTE PRE L
26
EXT AMP CONT
27
BU DET
28
ACC DET
29
ILLUMI DET
30
ANT CONT (TYPE2) I/O
31
RESET
32,33
XT1/XT2
34
REGC
35,36
X2/X1
37
VSS
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38
VDD
39
CLKOUT
.
40
LX REQ M
41
LX MUTE
6
I/O
I/O
CD mechanism, IC2, IC5, ROM correction DATA line
I/O
Clock input/ output to Tuner front-end
I/O
RDS control for MPX PLL hold
-
NC
I/O
CD mechanism, IC2, IC5, ROM correction CLOCK line
-
VDD 5V
-
GND
I/O
RDS control for MPX PLL hold
O
BEEP audio output terminal
I
Remote control input terminal
O
PL2 BMS control terminal (H : BMS ON, L : BMS OFF)
O
DSP chip select output terminal ( L : Active)
O
DSP serial data output terminal
O
DSP serial data clock output terminal
Reset for DSP (AD/DA & DSP, L : RESET)
O
Reset for DSP (System reset, L : RESET)
O
DSP input muting control (L : Mute ON, H : Mute OFF)
-
NC (GND)
O
Audio power IC muting control terminal (POWER OFF, ALL OFF, TEL MUTE : L)
O
Audio power IC Stand-by terminal (POWER IC ON, ALL OFF : H, POWER IC OFF : L)
I/O
Power control terminal (POWER ON : H, POWER OFF, ALL OFF : Hi-Z)
I
Over voltage/Over current detection terminal (Normal : H, Bad condition : L)
O
Muting control terminal (ON : OPEN, OFF : L)
O
PREOUT (Rch) muting control terminal
O
PREOUT (Lch) muting control terminal
O
External amplifier control terminal
I
Momentary power dropped detection terminal (No Backup, Momentary power dropped : H, Backup : L)
I
ACC detection terminal (With ACC : L, Without ACC : H)
I
Small lamp detection terminal (ON : L, OFF : H)
Antenna control/ Destination select terminal (TUNER ON : H)
I
Reset input terminal
-
Sub clock (32.768kHz)
-
Connect to 1u capacitor
-
Main clock (20MHz)
-
GND
-
AVR 5V
x
ao
u163
y
-
NC
i
O
Communication request to external slave unit (Request : L)
I
Mute request from external slave unit (MUTE : H)
2 9
8
Description / Processing Operation
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
Fig.
9 9
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