22
D-NF430/NF431
MAIN BOARD IC801 CXR721260-203R (SYSTEM CONTROLLER, DSP, LCD DRIVER)
Pin No. Pin Name I/O Description
1
TCK I Clock signal input terminal Not used
2
TMS I Mode select signal input terminal Not used
3
TDI I Data input terminal Not used
4
XTRST I Reset signal input terminal Not used
5
DVDBK - Power supply terminal (+1.2V) (for back up core)
6
XRST I System reset signal input from the power control "L": reset
7
XADEVENT O Wake up signal output to the power control
8
CASINO_WAKE I CD lid open/close switch input terminal "L": close, "H": open
9
DCINMNT I DC input voltage monitor input terminal
10
KEY1 I Top panel key input terminal (A/D input)
11
AVSAD - Ground terminal
12
RMKEY I Remote commander key input terminal (NF430: US and NF431 models only)
13
BATMNT I Battery voltage monitor input terminal
14
CHGMNT I Charge voltage monitor input terminal Not used
15
AVDAD - Power supply terminal (+2V) (for A/D converter)
16
DVDD - Power supply terminal (+1.2V) (for core)
17
X_HOLD_I I HOLD switch input terminal "L": hold on
18
OPEN I/O Not used
19
AMUTE_O O Audio muting on/off control signal output to the headphone amplifier "H": muting on
20
VSS - Ground terminal
21
VDIO - Power supply terminal (+2V) (for I/O)
22
ECO O Chip enable signal output to the power supply circuit
23
LCD_XRST_O O Reset signal output to the liquid crystal display "L": reset
24
HG_STB_O O Strobe signal output to the optical pick-up block
25
OPEN I/O Not used
26
HG_GUP O Gain-up signal output to the optical pick-up block
27
CLOCK_SHIFT O Tuner clock shift signal output terminal
28
VOL_LATCH O Latch signal output to the headphone amplifier
29
DBG_MNT_O O Not used
30
DBG_MNT_I I Not used
31
TSB I/O Communication two-way data bus with remote commander (NF430: US and NF431 models only)
32
XEEPROM_CS O Chip select signal output to the EEPROM
33
XSCK1 O Serial clock signal output to the liquid crystal display
34
SO1 O Serial data output to the liquid crystal display
35
SI1 I Serial data input from the liquid crystal display
36
LCD_CS O Chip select signal output to the liquid crystal display
37
SCK0 O Serial clock signal output to the FM/AM/TV tuner, power control and EEPROM
38
SO0 O Serial data output to the FM/AM/TV tuner, power control and EEPROM
39
VSS - Ground terminal
40
SI0 I Serial data input from the FM/AM/TV tuner and EEPROM
41
POW.LATCH O Latch signal output to the power control
42
TU_BEEP O Beep signal output to the headphone amplifier
43
FG I FG signal input from the motor/coil drive
44
TDO O Data output terminal Not used
45
RTCK O Not used
46
ATEST I Not used
To Next Page
Loading...
