HT-CT780
54
Pin No. Pin Name I/O Description
1 VCC - Power supply terminal (+3.3V)
2 USB_FAULT I USB VBUS power over current detection signal input terminal
3 DIR_XSTATE I Source clock selection monitor input from the digital audio interface receiver
4 DIR_RST O Reset signal output to the digital audio interface receiver “L”: reset
5 DIR_DO I Serial data input from the digital audio interface receiver
6
DIR_DI
(MC_DIRDO)
O Serial data output to the digital audio interface receiver
7 DIR_CLK O Serial data transfer clock signal output to the digital audio interface receiver
8 DIR_ZERO I Zero data detection signal input from the digital audio interface receiver
9 DIR_ERROR I Error detection signal input from the digital audio interface receiver “L”: error
10 DIR_HCE O Chip enable signal output to the digital audio interface receiver
11 P_CONT3 O Power on/off control signal output terminal “H”: power on
12 FL_CS O Chip select signal output to the fl uorescent indicator tube
13 FL_RESET O Reset signal output to the fl uorescent indicator tube “L”: reset
14 FL_DOUT O Serial data output to the fl uorescent indicator tube
15 FL_CLK O Serial data transfer clock signal output to the fl uorescent indicator tube
16 WS_INT I Interrupt signal input from the RF modulator
17 WS_SDA I/O Two-way data bus with the RF modulator
18 WS_SCL O Serial data transfer clock signal output to the RF modulator
19 WS_RST O Reset signal output to the RF modulator “L”: reset
20 HDMI (9678)_SDA I/O Two-way data bus with the HDMI transmitter
21 HDMI (9678)_SCL O Serial data transfer clock signal output to the HDMI transmitter
22 HDMI (9678)_RESET O Reset signal output to the HDMI transmitter “H”: reset
23 HDMI (9678)_INT I Interrupt signal input from the HDMI transmitter
24 NO USE O Not used
25 VSS - Ground terminal
26 DSP_ MISO I Serial data input from the serial fl ash and DSP
27 DSP_MOSI O Serial data output to the serial fl ash and DSP
28 DSP_SPICLK O Serial data transfer clock signal output to the serial fl ash and DSP
29 DSP_SPIDS O Chip select signal output to the serial fl ash and DSP
30 DSP_RESET O Reset signal output to the DSP “L”: reset
31 SF_HOLD_DSP O Hold signal output to the serial fl ash “L”: hold
32 DSP_INTR I Interrupt request signal input from the DSP
33 BT LED O LED drive signal output terminal for the Bluetooth indicator “H”: LED on
34 LED_PW (NO USE) O Not used
35 NFC IRQ I Radio data reception signal input from the NFC module
36 VSS - Ground terminal
37 VCC - Power supply terminal (+3.3V)
38 NFC_RFDET I Magnetic fi eld detection signal input from the NFC module “L”: magnetic fi eld is detected
39 NFC DATA I/O Two-way data bus with the NFC module
40 NFC CLK O Serial data transfer clock signal output to the NFC module
41 CP_RESET O Reset signal output to the MFI “L”: reset
42 CP_DATA I/O Two-way data bus with the MFI
43 CP_CLK O Serial data transfer clock signal output to the MFI
44 C I External capacitor connection terminal
45 VSS - Ground terminal
46 VCC - Power supply terminal (+3.3V)
47 DAMP_SOFT_MUTE O Soft muting on/off control signal output to stream processor “L”: muting on
48
NO USE
(DRIVE_RST (EN))
O Not used
49 INITX (RESET) I
System reset signal input terminal “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
50 DC_DET I Speaker DC detection signal input terminal “L”: speaker DC is detected
51 PCONT_DRIVER O Power on/off control signal output terminal for the digital power amplifi er “H”: power on
52 DAMP_PDN O Power down signal output to the stream processor “L”: power down
53 DAMP_INIT O Reset signal output to the stream processor “L”: reset
54 DAMP_SCLO O Serial data transfer clock signal output to the stream processor
• IC Pin Function Description
MAIN BOARD IC102 MB9BF328SPMC-GE1 (SYSTEM CONTROLLER)