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● System Control & I/O Port Table (IC801)
■ Control Port Functions
1PE5/D5 POWER_SW Power_SW O H: On
2PE6/D6 SYS SW Peripheral IC power supply SW O L: on
3PE7/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