Control port functions, System control & i/o port table (ic801) – Eiki LC-NB3E User Manual
Page 40
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● System Control & I/O Port Table (IC801)
■ Control Port Functions
1
PE5/D5
POWER_SW
Power_SW
O
H: On
2
PE6/D6
SYS SW
Peripheral IC power supply SW
O
L: on
3
PE7/D7
LAMP_SW
Lamp LED
O
H: On
4
PD0/D8
DATA0
Data Bus 0
I/O
-
5
PD1/D9
DATA1
Data Bus 1
I/O
-
6
PD2/D10
DATA2
Data Bus 2
I/O
-
7
PD3/D11
DATA3
Data Bus 3
I/O
-
8
PD4/D12
DATA4
Data Bus 4
I/O
-
9
PD5/D13
DATA5
Data Bus 5
I/O
-
10
PD6/D14
DATA6
Data Bus 6
I/O
-
11
PD7/D15
DATA7
Data Bus 7
I/O
-
12
CVCC
CVCC
Power supply
-
-
13
PC0/A0
ADDRESS0
Address Bus 0
O
-
14
VSS
VSS
Vss
-
-
15
PC1/A1
ADDRESS1
Address Bus 1
O
-
16
PC2/A2
ADDRESS2
Address Bus 2
O
-
17
PC3/A3
ADDRESS3
Address Bus 3
O
-
18
PC4/A4
ADDRESS4
Address Bus 4
O
-
19
PC5/A5
ADDRESS5
Address Bus 5
O
-
20
PC6/A6
ADDRESS6
Address Bus 6
O
-
21
PC7/A7
ADDRESS7
Address Bus 7
O
-
22
PB0/A8/TIOCA3
ADDRESS8
Address Bus 8
O
-
23
PB1/A9/TIOCB3
ADDRESS9
Address Bus 9
O
-
24
PB2/A10/TIOCC3
ADDRESS10
Address Bus 10
O
-
25
PB3/A11/TIOCD3
ADDRESS11
Address Bus 11
O
-
26
PB4/A12/TIOCA4
ADDRESS12
Address Bus 12
O
-
27
PB5/A13/TIOCB4
ADDRESS13
Address Bus 13
O
-
28
PB6/A14/TIOCA5
ADDRESS14
Address Bus 14
O
-
29
PB7/A15/TIOCB5
ZOOM +
Zoom +
O
L: Zoom +
30
PA0/A16
ZOOM -
Zoom -
O
L: Zoom -
31
PA1/A17/TxD2
Tx
RS232C TxD
O
L: active
32
PA2/A18/RxD2
Rx
RS232C RxD
I
L: active
33
PA3/A19/SCK2
FOCUS +
Focus +
O
L: Focus +
34
P10/TIOCA0/A20
FOCUS -
Focus -
O
L: Focus -
35
P11/TIOCB0/A21
R/C
Remote control signal input
I
L: active
36
P12/TIOCC0/TCLKA/A22
USB_RESET
USB Reset signal output
O
L: active
37
P13/TIOCD0/TCLKB/A23
USB_BRST
USB_BRST
O
L: On”
38
P14/TIOCA1/IRQ0
SCLK
Serial clock output
O
H: active
39
P15/TIOCB1/TCLKC
BLAST_AC
Lamp Ballast control signal
O
H: on
40
P16/TIOCA2/IRQ1
TXD_SW
TXD_SW
O
H: PW-Main CPU
41
P17/TIOCB2/TCLKD
FAN ON/OFF
Fan Drive output
O
H: on
42
AVSS
Avss
A/D ground
-
-
43
P97/DA1
PIXEL WRITE
PIXEL write
I
L: PW write
44
P96/DA0
TEMP_DET
TEMP DET
I
L: Temperature abnormal
45
P47/AN7
OPT2
Option input
I
L: XGA H: SVGA
46
P46/AN6
Not used
I
47
P45/AN5
LAMP_ERR
Lamp Error
I
H: Lamp not lit
48
P44/AN4
POWER_FAIL
Power Fail (Abnormal less than 2V)
I
Abnormal less that 1V
49
P43/AN3
OPT1
Destination option
I
50
P42/AN2
KEY3
Key Input3 (A/D Input)
I
51
P41/AN1
KEY2
Key Input2 (A/D Input)
I
52
P40/AN0
KEY1
Key Input1 (A/D Input)
I
53
Vref
Vref
Reference voltage for analog
-
-
54
AVCC
AVCC
A/D power supply
-
-
55
MD0
MD0
Operation mode control 0
I
Fixed L
56
MD1
MD1
Operation mode control 1
I
Fixed H
57
OSC2
OSC2
Sub-clock output (Not used)
O
open
58
OSC1
OSC1
Sub-clock output (Not used)
I
Connected to GND
59
RES
RESET
Reset input
I
Reset L to H
60
NMI
NMI
Non-maskable input (not used)
I
Fixed H
61
STBY
STBY
Stand-by
I
-
62
VCC
VCC
Vcc
-
-
63
XTAL
XTAL
Oscillator input
I
-
64
VSS
VSS
GND
-
-
65
EXTAL
EXTAL
Oscillator output
O
-
66
FWE
FEW
Write enable input for Flash ROM
I
H: Enable
Pin No.
Name
Function Name
Function
I/O
Action