![background image](http://html.mh-extra.com/html/sony/cmt-g1bip/cmt-g1bip_service-manual_420351055.webp)
HCD-G1BiP/G1iP
53
MAIN BOARD IC402 R5F3650KBDFA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DP SDA/SPI DOUT
O
Serial data output to the fl uorescent indicator tube driver
2
DP SCL
O
Serial data transfer clock signal output to the fl uorescent indicator tube driver
3
DP CS
O
Chip select signal output to the fl uorescent indicator tube driver
4
SIRCS
I
SIRCS signal input from the remote control receiver
5
BCo SPI DOUT
O
Serial data output terminal Not used
6
BCo SPI DIN
I
Serial data input terminal Not used
7
BCo SPI SCL
O
Serial data transfer clock signal output terminal Not used
8
BYTE
I
External data bus width selection signal input terminal
9
CNVss
I
Processor mode selection signal input terminal
10
Xcin
I
Sub system clock input terminal (32.768 kHz)
11
Xcout
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
13
Xout
O
Main system clock output terminal (5 MHz)
14
Vss
-
Ground terminal
15
Xin
I
Main system clock input terminal (5 MHz)
16
Vcc
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Not used
18
RDS-INT
I
RDS interrupt signal input from the FM/AM receiver
19
SBSY
I
Subcode block sync signal input from the CD-MP3 processor
20
AC-CUT
I
AC cut on/off detection signal input terminal “L”: AC cut on
21
ACTIVE LED/
BCo_POWER
O
LED drive signal output terminal Not used
22
CP IIC CLK
O
Serial data transfer clock signal output to the EEPROM
23
BCo_SPI_CS
O
Chip enable signal output terminal Not used
24
CP IIC SDA
O
Serial data output to the EEPROM
25
BCo_RESET
O
Reset signal output terminal Not used
26
CP RESET
O
Reset signal output to the EEPROM “L”: reset
27
BCo_SPI_REQ
I
Request signal input terminal Not used
28
BCo_SPI_READY
I
Ready signal input terminal Not used
29
IIC_CLK
O
IIC serial data transfer clock signal output terminal Not used
30
IIC_SDA
O
IIC serial data output terminal Not used
31
CONT_B
O
External audio input selection signal output terminal
“L”: tuner (FM/AM), “H”: AUDIO IN 1 or AUDIO IN 2
32
I2S_SW
O
USB/DAB I2S selection signal output terminal Not used
33
DEBUGGER I/O
O
Not used
34
CONT_A
O
External audio input selection signal output terminal
“L”: AUDIO IN 1, “H”: tuner (FM/AM) or AUDIO IN 2
35
DAB_TxD_OUT
O
Serial data output to the DAB tuner module (GB1iP only)
36
DAB_RxD_IN
I
Serial data input from the DAB tuner module (GB1iP only)
37
DAMP_SD
O
Shut down signal output to the digital audio amplifi er driver “L”: shut down
38
DAMP_PROTECT
I
Protect (fault) signal input from the digital audio amplifi er driver “L”: protect
39
EVOL_LATCH
O
Serial data latch pulse signal output to the electrical volume
40
EVOL_CLK
O
Serial data transfer clock signal output to the electrical volume
41
FLASH WRITE
MODE IN
I
Flash write mode setting signal input terminal Not used
42
D-AMP-MUTE
O
Muting on/off control signal output terminal “L”: muting on
43
EVOL_DATA
O
Serial data output to the electrical volume
44
DSP_DOUT_MUTE
O
Muting on/off control signal output to the DSP “L”: muting on
45
DSP_RESET
O
Reset signal output to the DSP “L”: reset
46
FLASH WRITE
MODE IN
I
Flash write mode setting signal input terminal Not used
47
DSP IIC_SDA
O
Serial data output to the DSP
48
DSP IIC_CLK
O
Serial data transfer clock signal output to the DSP
49, 50
DAB-POWER_3.3,
DAB-POWER_1.2
O
Power supply on/off control signal output terminal for the DAB tuner section “H”: power on
(GB1iP only)
51
STANDBY_LED
O
LED drive signal output terminal for the STANDBY indicator “L”: LED on
52
ST LATCH
O
Serial data latch pulse signal output to the FM/AM receiver
53
ST DATA
I/O
Serial data input/output with the FM/AM receiver
54
ST CLK
O
Serial data transfer clock signal output to the FM/AM receiver