HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
70
Pin No.
Pin Name
I/O
Description
1
DAMP_SCDT
O
Serial data output to the stream processor
2
DAMP_SHIFT
O
Serial data transfer clock signal output to the stream processor
3
FL_CS
O
Chip select signal output to the
fl
uorescent indicator tube driver
4
SIRCS_IN
I
SIRCS signal input from the remote control receiver
5
FL_DATA/LED_DATA
O
Serial data output to the
fl
uorescent indicator tube driver and LED driver
6
CEC_RX_IN
I
CEC data input from the HDMI OUT connector
7
FL_CLK/LED_CLK
O
Serial data transfer clock signal output to the
fl
uorescent indicator tube driver and LED driver
8
BYTE
I
External data bus width selection signal input terminal Fixed at "L" in this set
9
CNVSS
I
Processor mode switch input terminal
10
DIR_ERROR
I
PLL lock error signal and input data error detection signal input terminal Not used
11
DIR_RST
O
Reset signal output terminal Not used
12
RESET
I
System reset signal input from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it change to "H"
13
Xout
O
Main system clock output terminal (5 MHz)
14
Vss
-
Ground terminal
15
Xin
I
Main system clock input terminal (5 MHz)
16
Vcc
-
Power supply terminal (+3.3V)
17
DIR_XSTATE
I
Clock change status detection signal input from the digital audio interface receiver
"L": change Not used
18
DIR_ZERO
I
Zero data detection signal input from the digital audio interface receiver Not used
19
DIR_CSFLAG
I
Channel change status detection signal input from the digital audio interface receiver
"H": change Not used
20
AC_CUT
I
AC cut detection signal input terminal "L": AC cut on
21
DSP_SF_CE
O
Chip enable signal output terminal Not used
22
DSP_MISO
I
Serial data input terminal Not used
23
DSP_SPICLK
O
Serial data transfer clock signal output terminal Not used
24
DSP_MOSI
O
Serial data output terminal Not used
25
DSP_SPIDS
O
Device selection signal output terminal Not used
26
CEC_TX_IN
O
CEC data output to the HDMI OUT connector
27
DSP_RESET
O
Reset signal output terminal Not used
28
LED_PWM
O
LED drive signal output terminal Not used
29
E2P_CLK/S-AIR_CLK
I/O
Serial data transfer clock signal output to the EEPROM and two-way clock bus with the wire-
less transceiver
30
E2P_SDA/S-AIR_SDA
I/O
Two-way data bus with the EEPROM and wireless transceiver
31
TXD1
O
Transmission data for
fl
ash writing output terminal
32
RXD1
I
Receive data for
fl
ash writing input terminal
33
S-AIR_GPIO2/CLK1
I
Interrupt signal input from the wireless transceiver
Request to send signal for
fl
ash writing input terminal
34
S-AIR_DET/RTS1
I
Wireless transceiver detection signal input terminal
Clock signal for
fl
ash writing input terminal
35
DMP_TX_OUT
O
Serial data output to the DMPORT connector
36
DMP_RX_IN
I
Serial data input from the DMPORT connector
37
S-AIR_RST
O
Reset signal output to the wireless transceiver "L": reset (HCD-HDX285/HDX585/HDX685)
Reset signal output to the wireless transceiver and sample rate converter "L": reset
(HCD-HDX287WC/HDX587WC/HDX589W/HDX686W)
38
S-AIR_ADC_SEL
O
A/D converter selection signal output to the wireless transceiver
(HCD-HDX285/HDX585/HDX685)
Audio data selection signal output terminal
(HCD-HDX287WC/HDX587WC/HDX589W/HDX686W)
39
P_CONT1
O
Power supply on/off control signal output terminal "H": power on
40
P_CONT2
O
Power supply on/off control signal output terminal Not used
41
P_CONT3
O
Power supply on/off control signal output terminal "H": power on
42
DC_CONT
O
Auto calibration microphone DC control signal output terminal
43
MIC_GAIN
O
Microphone gain control signal output terminal
44
CDM_OPEN_SW
I
Disc tray open/close detection switch input terminal Not used
• IC Pin Function Description
MAIN BOARD IC503 R5F3640DDFAR (SYSTEM CONTROLLER)
