Sony SA-CT780 Service Manual page 54

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