Sharp SF-1020, SF-1120 service manual CPU SC3041K12F IC1 pin signal

5CPU SC3041K12F (IC1) pin signal

Pin No.	Port	Signal name	IN/OUT	H/L	Specifications
1	VCC	VCC			Power (+5V)
2	P60	CVFMPWM	OUT		Fan motor (PWM output) signal
3	PB1	SCL	OUT		Serial clock signal for EEPROM
4	PB2	MMPWM	OUT		Main motor (PWM output) signal
5	PB3	SDA	OUT		Serial data for EEPROM
6	PB4	/MIR-A	OUT	H	Mirror base motor drive signal -A
7	PB5	MIR-A	OUT	H	Mirror base motor drive signal A
8	PB6	/MIR-B	OUT	H	Mirror base motor drive signal -B
9	PB7	MIR-B	OUT	H	Mirror base motor drive signal B
10	/RES0	/RES0	OUT	H	Reset signal for external device (fixed to HIGH)
11	VSS	VSS			Power (GND)
12	P90	DATA	OUT		Operation panel serial data signal
13	P91	TXD	OUT		Option UART input signal
14	P92	HL	OUT	L	Heater lamp control signal (ON at LOW)
15	P93	RXD	IN		Option UART input signal
16	P94	OP-CLK	OUT		Operation panel serial clock input signal
17	P95	OP-LATCH	OUT		Operation panel data latch signal
18	P40	KI0	IN		Key input 0 signal
19	P41	KI1	IN		Key input 1 signal
20	P42	KI2	IN		Key input 2 signal
21	P43	KI3	IN		Key input 3 signal
22	VSS	VSS			Power (GND)
23	P44	S0	IN		Matrix input 0 signal
24	P45	S1	IN		Matrix input 1 signal
25	P46	S2	IN		Matrix input 2 signal
26	P47	MFD	IN	L	Multi manual feed unit sensing signal (Low when the unit is sensed.)
27	P30	D0			Data signal
28	P31	D1			Data signal
29	P32	D2			Data signal
30	P33	D3			Data signal
31	P34	D4			Data signal
32	P35	D5			Data signal
33	P36	D6			Data signal
34	P37	D7			Data signal
35	VCC	VCC
36	P10	A0			Address signal
37	P11	A1			Address signal
38	P12	A2			Address signal
39	P13	A3			Address signal
40	P14	A4			Address signal
41	P15	A5			Address signal
42	P16	A6			Address signal
43	P17	A7			Address signal
44	VSS	VSS			Power (+5V2)
45	P20	A8			Address signal
46	P21	A9			Address signal
47	P22	A10			Address signal
48	P23	A11			Address signal
49	P24	A12			Address signal
50	P25	A13			Address signal
51	P26	A14			Address signal

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