CDX-GT61UMS/GT560UE/GT560UI/GT560US/GT564UI/GT610UG/GT610US/GT616UG
34
• IC Pin Function Description
MAIN BOARD IC501 R5F3650KBDZ91FA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
LCD_SO
O
Serial data output to the liquid crystal display driver
2
LCD_CLK
O
Serial clock signal output to the liquid crystal display driver
3
NOSE_SW
I
Front panel remove/attach detection signal input terminal “L”: Front panel is attached
4
SIRCS
I
Remote control signal input from the remote control signal receiver
5
UNISO
-
Not used
6
UNISI
-
Not used
7
UNISCK
-
Not used
8
BYTE
I
External data bus width select signal input Connect to VSS in this set
9
CNVSS
I
Flash write signal input terminal Normally operation: “L”, Flash write: “H”
10
XIN
I
Low speed operation clock signal input terminal (32.768 kHz)
11
XOUT
O
Low speed operation clock signal output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator “L”: reset
13
OSCOUT
O
High speed operation clock signal output terminal (7.92 MHz)
14
VSS
-
Ground terminal
15
OSCIN
I
High speed operation clock signal input terminal (7.92 MHz)
16
VCC1
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Fixed at “H” in this set
18
RC_IN1
I
Rotary remote commander shift key input terminal
19
BUIN
I
Back up power supply detection signal input terminal “L” is input at low voltage
20
SYSRST
O
Reset signal output terminal
21
BUS_ON
-
Not used
22
MC_RX
I
Serial data input from the CD drive/USB controller
23
DOOR_SW
I
Front panel remove/attach detection signal input terminal Not used
24
MC_TX
O
Serial data output to the CD drive/USB controller
25
DOOR_ING
O
LED drive signal output terminal Not used
26
SYNC_OUT
O
Synchronize signal output to the DC/DC converter
27
EJECT_OK
O
Eject OK signal output terminal Not used
28
BEEP
O
Beep sound drive signal output to the power ampli
fi
er
29
I2C_SCL
O
IIC serial clock signal output terminal
30
I2C_SDA
I/O
IIC two-way serial data bus terminal
31
FW_TXD
O
Flash writer data output terminal
32
FW_RXD
I
Flash writer data input terminal
33
FW_CLK
I
Flash writer clock signal output terminal
34
FW_BUSY
O
Flash writer busy signal output terminal
35
XM_TX
O
Serial data output terminal Not used
36
XM_RX
I
Serial data input terminal Not used
37
XM_POWER_EN
O
Power supply on/off control signal output terminal Not used
38
CD_ON
I
Power supply on/off control signal input terminal for the CD section
39
CDM_ON
I
Power supply on/off control signal input terminal for the CD mechanizm section
40
WAKE_UP
O
System wakeup signal output to the CD drive/USB controller
41
EPM
O
EPM signal output terminal Fixed at “L” in this set
42
Z_MUTE
I
Muting on/off control signal input from the CD drive/USB controller
43 to 45
NCO
-
Not used
46
CE
O
Chip enable signal output terminal Fixed at “H” in this set
47
HIT2_SDA
I/O
IIC two-way serial data bus with the FM/AM tuner unit
48
HIT2_SCL
O
IIC serial clock signal output to the FM/AM tuner unit
49
HIT2_RESET
O
Reset signal output to the FM/AM tuner unit
50
EN_USB
O
Power supply on/off control signal output to the DC/DC converter
51
VBUS_ON
I
VBUS on/off control signal input from the CD drive/USB controller “H”: VBUS on
52
FLT_USB
I
Over current detection signal input from the DC/DC converter
53
EN_SYS
O
Power supply on/off control signal output to the DC/DC converter
54
IPOD
I
iPod connection mode is difference slope setting terminal
55
EXTATT_XEN
-
Not used
56
TELATT
I
Telephone attenuator detection signal input terminal Not used
57
ACC_IN
I
Accessory power detection signal input terminal “L”: accessory power on
58
ATT
O
Muting on/off control signal output terminal “H”: muting on
59
DIAG
I
Diagnostic signal input from the power ampli
fi
er
