Sony CDX-GT660UE Service Manual page 34

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CDX-GT660UE/GT660UP/GT660UV/GT662UE/GT710UV/GT717UV
• IC Pin Function Description
MAIN BOARD IC501 R5F3650KBDZ86FA (SYSTEM CONTROLLER) (GT660UE/GT660UV/GT662UE/GT710UV/GT717UV)
R5F3650MBDZ97FA (SYSTEM CONTROLLER) (GT660UP)
Pin No.
Pin Name
1
LCD_SO
2
LCD_CLK
3
NOSE_SW
4
SIRCS
5
UNISO
6
UNISI
7
UNISCK
8
BYTE
9
CNVSS
10
XIN
11
XOUT
12
RESET
13
OSCOUT
14
VSS
15
OSCIN
16
VCC1
17
NMI
18
RC_IN1
19
BUIN
20
SYSRST
21
BUS_ON
22
MC_RX
23
DOOR_SW
24
MC_TX
25
DOOR_ING
26
SYNC
27
EJECT_OK
28
BEEP
29
I2C_SCK
30
I2C_SIO
31
FW_TXD
32
FW_RXD
33
FW_CLK
34
FW_BUSY
35
XM_TX
36
XM_RX
37
XM_POWER_EN
38
CD_ON
39
CDM_ON
40
WAKE_UP
41
EPM
42
Z_MUTE
43 to 45
NCO
46
CE
47
HIT2_SDA
48
HIT2_SCL
49
HIT2_RESET
50
EN_USB
51
VBUS_ON
52
FLT_USB
53
EN_SYS
54
IPOD
55
EXTATT_XEN
56
TELATT
57
ACC_IN
34
I/O
O
Serial data output to the liquid crystal display driver
O
Serial clock signal output to the liquid crystal display driver
I
Front panel remove/attach detection signal input terminal
I
Remote control signal input from the remote control signal receiver
-
Not used
-
Not used
-
Not used
I
External data bus width select signal input
I
Flash write signal input terminal
I
Low speed operation clock signal input terminal (32.768 kHz)
O
Low speed operation clock signal output terminal (32.768 kHz)
I
System reset signal input from the reset signal generator
O
High speed operation clock signal output terminal (7.92 MHz)
-
Ground terminal
I
High speed operation clock signal input terminal (7.92 MHz)
-
Power supply terminal (+3.3V)
I
Non-maskable interrupt signal input terminal
I
Rotary remote commander shift key input terminal
I
Back up power supply detection signal input terminal
O
Reset signal output terminal
-
Not used
I
Serial data input from the CD drive/USB controller
I
Front panel remove/attach detection signal input terminal
O
Serial data output to the CD drive/USB controller
O
LED drive signal output terminal for the eject button indicator
O
Synchronize signal output to the DC/DC converter
O
Eject OK signal output to the CD drive/USB controller
O
Beep sound drive signal output to the power amplifi er
O
IIC serial clock signal output terminal
I/O
IIC two-way serial data bus terminal
O
Flash writer data output terminal
I
Flash writer data input terminal
I
Flash writer clock signal output terminal
O
Flash writer busy signal output terminal
O
Serial data output to the SIRIUSXM IN connector (GT660UP only)
I
Serial data input from the SIRIUSXM IN connector (GT660UP only)
O
Power supply on/off control signal output to the SIRIUSXM IN connector (GT660UP only)
I
Power supply on/off control signal input terminal for the CD section
I
Power supply on/off control signal input terminal for the CD mechanizm section
O
System wakeup signal output to the CD drive/USB controller
O
EPM signal output terminal
I
Muting on/off control signal input from the CD drive/USB controller
-
Not used
O
Chip enable signal output terminal
I/O
IIC two-way serial data bus with the FM/AM tuner unit
O
IIC serial clock signal output to the FM/AM tuner unit
O
Reset signal output to the FM/AM tuner unit
O
Power supply on/off control signal output to the DC/DC converter
I
VBUS on/off control signal input from the CD drive/USB controller
I
Over current detection signal input from the DC/DC converter
O
Power supply on/off control signal output to the DC/DC converter
I
iPod connection mode is difference slope setting terminal
-
Not used
I
Telephone attenuator detection signal input terminal
I
Accessory power detection signal input terminal
Description
Fixed at "L" in this set
Connect to VSS in this set
Normally operation: "L", Flash write: "H"
"L": reset
Fixed at "H" in this set
"L" is input at low voltage
Fixed at "L" in this set
Fixed at "L" in this set
Fixed at "H" in this set
"L": accessory power on
"H": VBUS on

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