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