— 55 —
Pin Name Function I/O Description
1 P11/SCL1 IIC bus clock for TV IN
2 P00/PWM0 Audio AMP mute out OUT Active : High
3 P01/PWM1 DM Reset out OUT Reset Output : Low
4 P02/PWM2 BPF-SW OUT Active : High
5 P03/PWM3/AD1 Key in IN
6 P04/PWM4/AD2 AVSW2 IN Active : High
7 P05/AD3 AFT S-Figure in IN
8 P06/INT2/AD4 ABL in IN Active : Low (Only SDTV model)
9 P07/INT1 RC in IN
10 P20/SCLK/AD5 SCLK for DM OUT
11 P21/SOUT/AD6 SOUT for DM OUT
12 P22/SIN/AD7 SIN for DM IN
13 P23/TIM3 CS for DM OUT
14 P24/TIM2 Power Failure in OUT Active : Low
15 P25/INT3 Normal SW OUT Active : High (Only SDTV model)
16 P36/XCIN Status in IN IIC bus control for factory, Bus release request : Low
17 P27/XCOUT Ack out OUT IIC bus control for factory, Bus release : Low
18 CNVss CNVss –
19 Xin Xin IN Main Clock Input, Fosc=8MHz
20 Xout Xout OUT Main Clock Output, Fosc=8MHz
21 Vss Vss 0Vdc
22 Vcc Power in 5Vdc±10%
23 FLT Filter for IC IN
24 HLF HLF out OUT for Caption RC-Filter
25 Vhold Vhold OUT for Caption
26 Cvin Cvin IN for Caption
27 RESET RESET in IN Need more than 2µ sec
28 Pullup Pullup IN 10KΩ
29 P15 AVSW1 OUT Active : High
30 P31/SCL3 IIC bus clock for AV IN Only HDTV model
31 P30/SDA3 IIC bus data for AV OUT Only HDTV model
32 CLK/cont/P10 Fix/Variable out OUT Fix : Low, Variable : High
33 P55/OUT OSD BLK out OUT Polarity : Positive
34 P54/R OSD R out OUT Polarity : Positive
35 P53/G OSD G out OUT Polarity : Positive
36 P52/B OSD B out OUT Polarity : Positive
37 P51/Vsync Vsync IN Polarity : Negative
38 P50/Hsync Hsync IN Polarity : Negative
39 P16/AD8/TIM2 TV relay out OUT Active : High
40 P14/SD2 IIC bus data for NVL OUT
41 P13/SDA1 IIC bus data for TV OUT
42 P12/SCL2 IIC bus clock for NVL IN
System Control (CPU : IC801)
CONTROL PORT FUNCTION
Mode AVSW1 (pin29) AVSW2 (pin6)
AV2 (Component) High Low
AV3 Low High
Others Low Low
Mode Switching Table
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