29
CD-S300
CD-S30
0
Pin No.
Function Name
I/O
Detail of Function
1
EEP_WP
O
Wright protection of EEPROM (IC304)
2
EEP_SDA
O
Serial data to EEPROM (IC304)
3
DAC_/CS
O
Chip select to audio DAC (IC302)
4
DAC_SCL
O
Serial clock to audio DAC (IC302)
5
DAC_SDA
O
Serial data output to audio DAC (IC302)
6
OCD_MODE
I
Input High --> Normal, Low --> Writing ROM mode
7
/AMUTE
O
Muting control signal to audio circuit
High --> Muting is active
8
ABUS_SW
O
No use
9
RESET
I
Input RESET signal of IC305
10
XOUT
O
Oscillator OUT
11
VSS/AVSS
GND
DGND
12
XIN
I
Oscillator IN
13
VCC/AVCC
Power D+3.3V
14
232C_PCON
O
15
IR
I
Input the signal from remote control
16
FL_/RST
O
RESET signal to FL-display
17
FL_CLK
O
Serial clock to FL-display (V701)
18
FL_DATA
O
Serial data output to FL-display (V701)
19
FL_CS
O
Chip select to FL-display (V701)
20
CLSW
I
21
OPSW
I
Detect OPEN SW of CD-loader mechanism
22
DOWNSW
I
23
UPSW
I
Detect CLAMP-UP SW of CD-Loader mechanism
24
TBL_POS
I
25
USB_PCON
O
Control IC301(DC/DC converter) and USB+5V is ON/OFF
High --> USB+5V is supplied
26
HSW_/FLG
I
Detect the status of IC6 (current limiter)
High --> Normal, Low --> Over current
27
HSW_/EN
O
Control IC6 (current limiter)
Low --> Enable output
28
iPod_IF
I
Control signal from iPod to change communication format
29
USB_IN
I
Detect to plug in USB memory or iPod
High --> Detect USB memory or iPod
30
CANCEL
I
Request signal for cancel busy condition
31
C2_Flag
I
Input FMON2 (C2F) signal from CD-DSP (IC2)
32
USB_/RST
O
RESET signal to USB-ucom (IC7)
33
USB_RX
I
RX signal from USB-ucom (IC7)
34
USB_TX
O
TX signal to USB-ucom (IC7)
35
DOUT2
O
Reserved (for 232C)
36
RIN2
I
Reserved (for 232C)
37
CLOSE
O
Control signal for closing tray
38
OPEN
O
Control signal for opening tray
39
CL_DOWN
O
40
CL_UP
O
41
TBL_L
O
42
TBL_R
O
43
DOUT_MUTE
O
Muting digital-out signal on pure direct
Low --> Digital-output signal is muting
44
CD_MUTE
I
Detect the muting control signal from CD-DSP (IC2) during loading disc or searching track
45
232C_TX
O
46
232C_RX
I
47
CLK2
O
Output the clock signal to CD-DSP
48
RxD2
I
Input the status signal from CD-DSP
49
TxD2
O
Output the status signal to CD-DSP
50
DSP_CE
O
Output chip_enable signal to CD-DSP
