Eiki LC-XG210 service manual Parallel I/O Expander IC1801, M66500FP, Name Function Name Polarity

Control Port Functions

●Parallel I/O Expander (IC1801, M66500FP)

No.	Name	Function Name	Function	Polarity	I/O
1	PF6	CG_FILTER	Not used (Initial: L)		O
2	PF7	DT_STB	-		O
3	Vcc	5V ±0%	-	-	-
4	PE0	A SW1	Audio SW 1 (SW1,SW2) = PC1:L, L PC2:H, L PC3:L,H		O
5	PE1	A SW2	Audio SW 2		O
6	PE2	IP_PWR_DN	IP Power down mode switch	H: Use IP L: Not use IP	O
7	PE3	IPSEL_CSA	Strobe signal for AD converter of IP converter	Active L	O
8	PE4	CHO_CD	M66230 Command Data switch output		O
9	PE5	SEPA_CD	Command Data switch output for Serial-Parallel converter		O
10	PE6	SEPA_CTS	Clear to Send output for Serial-Parallel converter		O
11	PE7	CHO_CTS	Clear to Send Clear to Send output for M66230		O
12	GND3	GND	-	-	-
13	PB0	LENS_TOP	Lens Top Detection	Top=L	I
14	PB1	M2/SEL0	Not used		I
15	PB2	LENS_BOT	Lens Bottom Detection	Bottom=L	I
16	PB3	USB_VBUS	USB VBUS input	H: USB connection	I
17	PB4	COMP-DET	Component input Y/N	L: Component input	I
18	PB5	S_SWIN	S-Video input Y/N	L: S-video input	I
19	PB6	VSYNC_DET	Not used (Initial: L)		I
20	PB7	M2/SEL1	Not used		I
21	PA7	RC_RESET	Not used		O
22	PA6	RCIDSW3	Remote control code switch	(SW1,2,3) = LLL: Code1	O
23	PA5	RCIDSW2		HLL: Code2	O
24	PA4	RCIDSW1		HHH:Code8	O
25	PA3	RC2_SW	Remote control receiver switch (Rear side)	L: active H: prohibit	O
26	PA2	RC1_SW	Remote control receiver switch (Front side)	L: active H: prohibit	O
27	PA1	Eco SW	Lamp Eco mode switch	H:Eco L:Normal	O
28	PA0	TURBO_ON/OFF	Turbo LED On/Off drive (not used)		O
29	Vcc	5V ±0%	5V ±10%	-	-
30	RD	READ_CPU	Read Select	Active L	I
31	WR	WRL_CPU	Write Select	Active L	I
32	CS	IO_CS	Chip Select	Active L	I
33	RESET	EXP_RST	Reset input	Active H	I
34	GND1	GND	-	-	-
35	A2	PORT_SEL2	Port Select 2	-	I
36	A1	PORT_SEL1	Port Select 1	-	I
37	A0	PORT_SEL0	Port Select 0	-	I
38	D0	D0	Data Bus 0	-	I/O
39	D1	D1	Data Bus 1	-	I/O
40	D2	D2	Data Bus 2	-	I/O
41	D3	D3	Data Bus 3	-	I/O
42	D4	D4	Data Bus 4	-	I/O
43	D5	D5	Data Bus 5	-	I/O
44	D6	D6	Data Bus 6	-	I/O
45	D7	D7	Data Bus 7	-	I/O
46	PC7	MOUSE/CPU-SW	Air Mouse Select	L: Air mouse active	O
47	PC6	NET_SW	Line Switch for RS232C-Port CtrlPort/WI	H: SCI-CtrlPort L: SCI-WI	O
48	PC5	7050RESET	7050 Reset		O
49	PC4	A_MUTE	Mute output	H: Mute On	O
50	PC0	CG1/CG2	Computer 1/Computer 2 switch	L: Com1 H:Com2	O
51	PC1	AV/CG	Computer/Video switch	L: PCAnalog, H: PCDigital,AV	O
52	PC2	CG/HD_SW	Not used	CG: L	O
53	PC3	DDC_CONT	Analog-DDC PC/CPU switch	CPU: H	O
54	PG0	CARD_IN	Viewer CF Card On/Off	L: No CF Card installed	I
55	PG1	VIEWER_ON	Viewer/wireless-LAN On/Off	L: MCI/W I installed H: No installed	I
56	PG2	W_LAN_IN	Input for Viewer/wireless-LAN distinction	H: WI L:No	I
57	PG3	SCDT_DIF	DVI Sync Detect input	H: DVI signal	I
58	GND2	GND	-	-	-
59	PF0	WARNING	Temp Warning LED output	LED On=L	O
60	PF1	LAMP_REP	Lamp Replace LED output	LED On =L	O
61	PF2	READY	Ready LED output	LED On =L	O
62	PF3	PD_DIF	DVI Power Down output (not used)	DVI Mode =H	O
63	PF4	DVI_CONT	Not used (Initial: L)		O
64	PF5	DDC_CONT_DVI	Digital-DDC PC/CPU switch		O

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