7
KDC-MP928/PSW9531
/PSW9531Y, XXV-01D
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
System Microcomputer : 30625MWPA46GP (X34 : IC102)
Pin No.
Pin Name
I/O
Application
Processing / Operation / Description
1
VREF
I
Analog reference voltage
2
AVCC
-
3
LX_DATA_S
I
Data from slave unit
LX specification
4
LX_DATA_M
O
Data to slave unit
LX specification
5
LX_CLK
I/O
LX BUS clock
LX specification
6
WIRED_REMO
I
External display remote controller input
7
LX_MUTE
I
Mute request from slave unit
H : Mute ON, L : Mute OFF
8
AUD_SDA
O
E-VOL data output terminal
SPI communication
9
AUD_SEL
O
E-VOL control terminal
SPI communication
10
AUD_SCL
O
E-VOL clock output terminal
SPI communication
11
DAC_RST
O
DAC reset terminal
L : DAC RESET
12
NC
O
Output L-fixed
13
BYTE
-
14
CNVSS
-
15
XCIN
I
32768kHz
16
XCOUT
I
32768kHz
17
RESET
I
18
XOUT
-
12MHz
19
VSS
-
20
XIN
-
12MHz
21
VCC1
-
22
NMI
I
Not used
23
PANEL_DET
I
Panel detection
H : Without PANEL, L : With PANEL
24
RDS_CLK
I
RDS decoder CLK input terminal
25
LX_REQ_S
I
Communication request from slave unit
26
PON_AM
I/O
AM power supply control
AM in operation : H, AM not in operation : Hi-Z
Communication request to slave unit
F/E IFC OUT input terminal
H : With station, L : Without station
Constant switching at noise detection
Constant switching at noise detection
RDS decoder QUAL input terminal
RDS decoder DATA input terminal
Beep output
F/E I2C clock input/output terminal
I2C specification
F/E I2C data input/output terminal
I2C specification
36
SYS_DATA
O
Between-panel communication data
Data output (MAX 500kbps)
output terminal
37
VCC1
-
38
PAN_DATA
I
Between-panel communication data input terminal
Data input (MAX 500kbps)
39
VSS
-
40
SYS_REQ
O
Communication request terminal from
system
µ
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