19
D-NE330/NE331
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 (Except NE330: 100 - 240V AC area in E model only)
13
BATMNT
I
Battery voltage monitor input terminal
14
CHGMNT
I
Charge voltage monitor input from the power control
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 terminal Not used
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 Not used
28
VOL_LATCH
O
Latch signal output terminal Not used
29
DBG_MNT_O
O
Not used
30
DBG_MNT_I
I
Not used
31
TSB
I/O
Communication two-way data bus terminal Not used
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 power control and EEPROM
38
SO0
O
Serial data output to the power control and EEPROM
39
VSS
-
Ground terminal
40
SI0
I
Serial data input from the EEPROM
41
POW.LATCH
O
Latch signal output to the power control
42
TU_BEEP
O
Beep signal output terminal Not used
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
Содержание D-NE330
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Страница 41: ...11 D NE330 NE331 MEMO ...
