-9-
Sub CPU (IC801) Port Functions
Pin Pin Name Function Name Description I/O
No.
1P96/ANEX1/SOUT4 BSD_OUT Serial output Out
2P95/ANXO/CLK4 BSD_CLK Serial clock In
3P94/DA1/TB4IN FAN-CTRL1 Fan control-1 (D/A data) Out
4P93/DA0/TB3IN FAN-CTRL2 Fan control-2 (D/A data) Out
5P92/TB2IN/SOUT3 - Not used (Output= Low) -
6P91/TB1IN/SIN3 Hsync Horiz. sync. input In
7P90/TB0IN/CLK3 - Not used (Open) -
8 BYTE
-External Pulldown (10K ohms)
In
9CNVss CNVSS CNVSS (Rewriting of a flash. Rewrite=High) In
10 P87/XCIN - Not used (Open) -
11 P86/XCOUT - Not used (Open) -
12 RESET - IC Reset (Active “Rest”=Low) In
13 XOUT - Oscillator -
14 VSS - GND -
15 XIN - Oscillator -
16 VCC - 5V_STandby -
17 P85/NMI - NMI terminal In
18 P84/INT2 RC RC input In
19 P83/INT1 50/60 Detection of 50Hz/60Hz from Pixel (50Hz=Low, 60Hz=High) In
20 P82/INT0 Vsync Vert. sync. input In
21 P81/TA4IN - Not used (Output=Low) -
22 P80/TA4OUT - Not used (Output=Low) -
23 P77/TA3IN - Not used (Output=Low) -
24 P76/TA3OUT - Not used (Output=Low) -
25 P75/TA2IN - Not used -
26 P74/TA2OUT WF MUTE PWM output (Not used) Out
27 P73/CTS2/RTS2/TA1IN - Not used (Output=Low) -
28 P72/CLK2/TA1OUT - Not used (Output=Low) -
29
P71/RXD2/SCL/TA0IN/TB5IN
IIC SCL IIC-SCL ( for EEPROM) -
30
P70/TXD2/SDA/TA0OUT
IIC SDA IIC-SDA ( for EEPROM) -
31 P67/TXD1 TXD For writing of a flash (Synchronous serial communication.) -
32 P66/RDX1 RXD For writing of a flash (Synchronous serial communication.) -
33 P65/CLK1 SCLK For writing of a flash (Synchronous serial communication.) In
34
P64/CTS1/RTS1/CLKS1
BUSY For writing of a flash (Synchronous serial communication.) Out
35 P63/TXD0 UART For pixel communication -
36 P62/RXD0 UART For pixel communication -
37 P61/CLK0 - Not used (Open) -
38 P60/CTS0/RTS0 - Not used (Open) -
39 P57/RDY/CLKOUT (LEFT_TURN) Not used (Left turn switch of the TV stand ) Out
40 P56/ALE (RIGHT_TURN) Not used (Right turn switch of the TV stand) Out
41 P55/HOLD EPM EPM input (for writing of a flash) In
42 P54/HLDA COLOUR SW1 Colour system switch from PIXEL In
43 P53/BCLK COLOUR SW2 Colour system switch from PIXEL In
44 P52/RD AUDIO SW1 Audio system switch from PIXEL In
45 P51/WRH/BHE AUDIO SW2 Audio system switch from PIXEL In
46 P50/WRL/WR CE CE input (for writing of a flash) In
47 P47/CS3 JACK MUTE Headphone detection (Headphone Connection=Low) In
48 P46/CS2 -
External Pulldown (10K ohms) In
49 P45/CS1 AMP MUTE2 AMP. mute (Mute on=Low) Out
50 P44/CS0 AMP MUTE1 AMP. mute (Mute on=Low) Out
