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 ampli
fi
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)
