Norcent LT2725 - Page 52

27’’ LCD TV Color Monitor Norcent LT2725
52
KEYPAD "CHANNEL CONTROL"
Refer to sheet 8
0
XC_CD2_N
FRONT CVBS-Y/C Video Input Recognition
55
'1' HDMI 5V exist
MENU
Function
KEYPAD "CHANNEL CONTROL"
Refer to Title sheet
XC_CD1_N
D
Page 19 - GPIO Table Page
B
19 19Wednesday, May 17, 2006
715T1961-
Title
Size Document Number Rev
Date: Sheet
of
FRONT-AV-SEL
GPOIs Table
HSYNC
SEL_FRAME-RATE
Ear phone plug detect pin: '1' Ear phone plug in
37
AUD_SEL_A
KEYPAD "VOL contol"
XC_BUFEN_N
30
BACKLIGHT-CNTRL-OUT
PWR_SW
GPIO0
'1' on; '0' off
'1' on, '0' off
31
OREN reset control pin
YPbPr/VGA select
Panel timming sel
Turn on PDP power supply
1
OREN reset control: '0' reset
Audio power control
34
Audio In select
OREN_RST
SRS control pin
AUD_SEL_C
56
GPIO1
'0' 60Hz,'1' 50Hz
45
GIRQ0_VOL+
Ear phone detect
XC_RESET
Audio In select
35
2
KEYPAD "SOURCE", INPUT SELECT
Refer to sheet 11
AUDIO_POWER
Audio In select
'1' SRS ON, '0' SRS OFF
Setting
TV_VIDEO
GPIO2
Inverter control
GPIO Pin Table
AUD_SEL_B
AUD_DOWN
YC_select1
3
EAR_DET
PWM OUTPUT 0~3.3V
SRS_SW
Auido Mute
GPIO3
LIGHT-ON-OUT
YPbPr/VGA select
GIRQ1_VOL-
NOTE: Red word are different ZR660 reference design
43
GPIO For boot flash selection
KEYPAD "VOL contol"
1=Composite, 0 = Y/C
Side AV detect pin: '1' AV, '0' Svideo
Signal
Mute control: '1' Mute
GPIO For boot flash selection
Backlight control
Back CVBS-Y/C Video Input Recognition
Panel power control
XC_VCC5EN_N
GIRQ2_CH+
26
GPIO For boot flash selection
42
36
PANEL-ON1
HDMI 5V detect
Beetle GPIO #
YPbPr_SEL
KEYPAD "MENU",MENU ON-OFF
GIRQ3_CH-
44
COAST
Refer to Title sheet
33
GPIO For boot flash selection
HDMI_5V_DET
RGB_YPBPR_SEL
CLAMP
'1' on, '0' off