Sony HT-GT1 Service Manual page 50

HT-GT1
• IC Pin Function Description
MAIN BOARD IC3001 R5F3650NCDFB (SYSTEM CONTROLLER)
Pin No. Pin Name
1 LED_BLUE
2 LED_GREEN
3 MIC_DET
4 -
5 SIRCS
6 BYTE
7 CNVss
8 XcIN
9 Xcout
10 RESET
11 Xout
12 Vss
13 Xin
14 Vcc
15 NMI
16 I-BIAS DETECT
17 AC-CUT
18 BLUETOOTH MUTE
19 O_LINK_B
20 CP IIC CLK
21 O-BIAS
22 CP IIC SDA
23 CP RESET
24 DP DRV CLK
25 RDS-INT
26 LED_RED
27 TUNER SCL
28 TUNER SDA
29 PGM TX
30 PGM RX
31 PGM CLK
32 BLUETOOTH CTS
33 BLUETOOTH TXD
34 BLUETOOTH RXD
35 BLUETOOTH RESET
36 BLUETOOTH RTS
37 BLUETOOTH ON
38 O_LINK_A
FLASH WRITE
39
MODE IN
40 EXT SEL_A
41 O-LINK MUTE (LINK)
42 DSP MUTE
43 DSP RESET
FLASH WRITE
44
MODE IN
45 DSP IIC_SDA
46 DSP IIC_CLK
47 PROTECT_DET
48 PROTECT
49 FRONT MUTE
50 DAMP RESET
51 DIR_MODE_ON
52 DIR_CS
53 DIR_RESET
50
I/O
O Not used
O Not used
O Not used
- Not used
I SIRCS signal input from remote control receiver
I External data bus width selection signal input terminal
I Processor mode selection signal input terminal
I Sub system clock input terminal (32.768 kHz)
O Sub system clock output terminal (32.768 kHz)
System reset signal input terminal
I
For several hundreds msec. after the power supply rises, "L" is input, then it change to "H"
O Main system clock output terminal (8 MHz)
- Ground terminal
I Main system clock input terminal (8 MHz)
- Power supply terminal (+3.3V)
I Non-maskable interrupt signal input terminal
I Audio link bias detection signal input from the AUDIO/PARTY CHAIN IN jack
I AC cut on/off detection signal input terminal
I Muting request signal input from the Bluetooth module
O Analog audio signal selection signal output terminal
O I2C Serial clock output to the EEPROM
O Audio link bias signal output to the AUDIO/PARTY CHAIN OUT jack
I/O Two-way I2C data bus with the EEPROM
O Reset signal output to the EEPROM
O Clock signal output to the LCD driver
I RDS interrupt signal input from the TUNER board
O LED drive signal output terminal for the speaker illumination LED
O Serial data transfer clock signal output to the TUNER board
I/O Two-way I2C data bus with the TUNER board
O Serial data output terminal for update connector
I Serial data input terminal for update connector
O Clock signal output terminal for update connector
I Clear to send signal input from the Bluetooth module
O Serial data output to the Bluetooth module
I Serial data input from the Bluetooth module
O Reset signal output to the Bluetooth module
O Return to send signal output to the Bluetooth module
O Power on/off control signal output terminal for Bluetooth section
O Analog audio signal selection signal output terminal
I Flash write mode setting terminal
O Analog audio signal selection signal output terminal
Muting on/off control signal output terminal for AUDIO/PARTY CHAIN OUT jack
O
"H": muting on
O Muting on/off control signal output to the audio DSP
O Reset signal input output to the audio DSP
I Flash write mode setting terminal
I/O Two-way I2C data bus with the audio DSP
O I2C clock signal output to the audio DSP
I Protect detection signal input terminal
O Protect on/off control signal output terminal
O Not used
O Reset signal output to the power amplifi er
O Not used
O Chip select signal output to the digital audio interface receiver
O Reset signal output to the digital audio interface receiver
Description
Fixed at "L"
"L": reset
Fixed at "H"
"L": AC cut on
"L": reset
"L": reset
"H": power on
Fixed at "L"
"L": tuner, "H": audio in
"H": muting on
"L": reset
Fixed at "H"
"L": protect
"L": protect on
"L": reset
"L": reset
"H": LED on