Eiki LC-XG210 service manual IIC Bus I/O Expander IC5581, M62320FP Port Functions

Control Port Functions

●IIC Bus I/O Expander (IC5581, M62320FP) Port Functions

Pin No.	Name	Function	Action		I/O
1	SO	Serial Data output port (Not connected)			O
2	SCL	IIC BUS SCL			I
3	SDA	IIC BUS SDA			I/O
4	D0	FOCUS+	FOCUS +	Active H	O
5	D1	FOCUS-	FOCUS -	Active H	O
6	D2	ZOOM+	ZOOM +	Active H	O
7	D3	ZOOM-	ZOOM -	Active H	O
8	Vss	GND			-
9	D4	LENS UP	LENS UP	Active H	O
10	D5	LENS DOWN	LENS DOWN	Active H	O
11	D6	BRIGHT ON	BRIGHT ON	Active H	O
12	D7	BRIGHT OFF	BRIGHT OFF	Active H	O
13	Vdd	Power supply +5V ±10 %			-
14	CS2	Slave address setting port 2 (GND)			I
15	CS1	Slave address setting port 1 (GND)			I
16	CS0	Slave address setting port 0 (GND)			I

●IIC Bus DA Converter (IC281, M62393FP) Port Functions

No.	Name	Function Name	Function	Polarity	I/O
1	R	Serial Data output port (Not connected)	O
2	SCL	IIC BUS SCL			I
3	SDA	IIC BUS SDA			I/O
4	A05	Not used			O
5	A06	Not used			O
6	A07	Not used			O
7	A08	VRB AV black voltage adjustment			O
8	VrefL	DAC Lower Reference Voltage input	-
9	VrefU 1	DAC Upper Reference Voltage input (CH5~CH8)			-
10	Vss	GND			-
11	VrefU2	DAC Upper Reference Voltage input (CH1~CH 4)			-
12	A01	PC_BCLP			O
13	A02	PC_GCLP			O
14	A03	PC_RCLP			O
15	A04	VOLUME			O
16	Vcc	Power Supply for Output Buffer (4.5V ~ 5.5V)			-
17	Vdd	Power Supply +5V±10 %			-
18	CS2	Slave address setting port 2 (GND)	I
19	CS1	Slave address setting port 1 (Vdd)	I
20	CS0	Slave address setting port 0 (GND)	I

●IIC Bus DA Converter (IC3291, M62398FP) Port Functions

No.	Name	Function Name	Function	Polarity	I/O
1	R	Reset input			I
2	SCL	IIC BUS SCL			I
3	SDA	IIC BUS SDA			I/O
4	Ao7	BVRT	AV White voltage adj.		O
5	Ao8	GVRT	AV White voltage adj.		O
6	Ao9	RVRT	AV White voltage adj.		O
7	Ao10	B_BLK_DC	AV pedestal adj.		O
8	Ao11	G_BLK_DC	AV pedestal adj.		O
9	Ao12	R_BLK_DC	AV pedestal adj.		O
10	VrefL	DAC lower reference voltage input			-
11	VrefU1	DAC upper reference voltage input(CH5~CH8)			-
12	Vss	GND			-
13	VrefU2	DAC upper reference voltage input(CH1~CH4)			-
14	Ao1	AV_RCLP			O
15	Ao2	AV_GCLP			O
16	Ao3	AV_BCLP			O
17	Ao4	MACRO		H:PC,AV(1080i50Hz) L:AV	O
18	Ao5	SCPSW	Sandcastle pulse switch	Video/S-Video/480i/575i:L else:H	O
19	Ao6	BLKSW	H_BLK width switch	1080i/1035i/720p:H else:L	O
20	Vcc	Buffer power supply(4.5V ~ 5.5V)			-
21	Vdd	Power supply +5V+-10%			-
22	CS2	Setting pin 2 for slave address			I
23	CS1	Setting pin 1 for slave address			I
24	CS0	Setting pin 0 for slave address			I

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