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2. CONTROL PORT FUNCTIONS
2.1 System Control & I/O Port Table (IC801)
Pin No.
Name
1
PE5/D5
2
PE6/D6
3
PE7/D7
4
PD0/D8
5
PD1/D9
6
PD2/D10
7
PD3/D11
8
PD4/D12
9
PD5/D13
10
PD6/D14
11
PD7/D15
12
CVCC
13
PC0/A0
14
VSS
15
PC1/A1
16
PC2/A2
17
PC3/A3
18
PC4/A4
19
PC5/A5
20
PC6/A6
21
PC7/A7
22
PB0/A8/TIOCA3
23
PB1/A9/TIOCB3
24
PB2/A10/TIOCC3
25
PB3/A11/TIOCD3
26
PB4/A12/TIOCA4
27
PB5/A13/TIOCB4
28
PB6/A14/TIOCA5
29
PB7/A15/TIOCB5
30
PA0/A16
31
PA1/A17/TxD2
32
PA2/A18/RxD2
33
PA3/A19/SCK2
34
P10/TIOCA0/A20
35
P11/TIOCB0/A21
36
P12/TIOCC0/TCLKA/A22
37
P13/TIOCD0/TCLKB/A23
38
P14/TIOCA1/IRQ0
39
P15/TIOCB1/TCLKC
40
P16/TIOCA2/IRQ1
41
P17/TIOCB2/TCLKD
42
AVSS
43
P97/DA1
44
P96/DA0
45
P47/AN7
46
P46/AN6
47
P45/AN5
48
P44/AN4
49
P43/AN3
50
P42/AN2
51
P41/AN1
52
P40/AN0
53
Vref
54
AVCC
55
MD0
56
MD1
57
OSC2
Signal name
Function
POWER_SW
Power_SW
SYS SW
Peripheral IC power supply SW
LAMP_SW
Lamp SW
DATA0
Data Bus 0
DATA1
Data Bus 1
DATA2
Data Bus 2
DATA3
Data Bus 3
DATA4
Data Bus 4
DATA5
Data Bus 5
DATA6
Data Bus 6
DATA7
Data Bus 7
CVCC
Power supply
ADDRESS0
Address Bus 0
VSS
Vss
ADDRESS1
Address Bus 1
ADDRESS2
Address Bus 2
ADDRESS3
Address Bus 3
ADDRESS4
Address Bus 4
ADDRESS5
Address Bus 5
ADDRESS6
Address Bus 6
ADDRESS7
Address Bus 7
ADDRESS8
Address Bus 8
ADDRESS9
Address Bus 9
ADDRESS10
Address Bus 10
ADDRESS11
Address Bus 11
ADDRESS12
Address Bus 12
ADDRESS13
Address Bus 13
ADDRESS14
Address Bus 14
ZOOM +
Zoom +
ZOOM -
Zoom -
Tx
RS232C TxD
Rx
RS232C RxD
FOCUS +
Focus +
FOCUS -
Focus -
R/C
Remote control signal input
USB_RESET
USB Reset signal output
USB_BRST
USB_BRST
SCLK
Serial clock output
BLAST_AC
Lamp Ballast control signal
TXD_SW
TXD_SW
FAN ON/OFF
Fan Drive output
Avss
A/D ground
PIXEL WRITE
PIXEL write
TEMP_DET
TEMP DET
OPT2
Option input
Not used
LAMP_ERR
Lamp Error
POWER_FAIL
Power Fail (Abnormal less than 2V)
OPT1
Destination option
KEY3
Key Input3 (A/D Input)
KEY2
Key Input2 (A/D Input)
KEY1
Key Input1 (A/D Input)
Vref
Reference voltage for analog
AVCC
A/D power supply
MD0
Operation mode control 0
MD1
Operation mode control 1
OSC2
Sub-clock output (Not used)
4-9
Part 4: Troubleshooting
I/O
Action
O
H: On
O
L: on
O
H: On
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
-
-
O
-
-
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
L: Zoom +
O
L: Zoom -
O
L: active
I
L: active
O
L: Focus +
O
L: Focus -
I
L: active
O
L: active
O
L: On"
O
H: active
O
H: on
O
H: PW-Main CPU
O
H: on
-
-
I
L: PW write
I
L: Temperature abnormal
I
L: XGA H: SVGA
I
I
H: Lamp not lit
I
Abnormal less that 1V
I
I
I
I
-
-
-
-
I
Fixed L
I
Fixed H
O
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