-9-
Sub CPU (IC801) Port Functions
Pin
Pin Name
Function Name
Description
I/O
No.
1
P96/ANEX1/SOUT4
BSD_OUT
Serial output
Out
2
P95/ANXO/CLK4
BSD_CLK
Serial clock
In
3
P94/DA1/TB4IN
FAN-CTRL1
Fan control-1 (D/A data)
Out
4
P93/DA0/TB3IN
FAN-CTRL2
Fan control-2 (D/A data)
Out
5
P92/TB2IN/SOUT3
-
Not used (Output= Low)
-
6
P91/TB1IN/SIN3
Hsync
Horiz. sync. input
In
7
P90/TB0IN/CLK3
-
Not used (Open)
-
8
BYTE
-
External Pulldown (10K ohms)
In
9
CNVss
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
