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)
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