Sharp AR-160 Faxpage, Ready OUT, Pwoff OUT, Scansp OUT, Scanst OUT, Prstart OUT, Wdtovr OUT, Res

AR-161

Pin No.	Pin name	Signal name	I/O	Function	Purpose	Descriptions
74	P25	/FAXPAGE	IN	General port 25	FAX option page signal	0: Page effective
					detection
75	P24	/READY	OUT	General port 24	Machine ready signal	L: Machine ready state
76	P23	/PWOFF	OUT	General port 23	Power off signal	L: Power interruption
						detecting state
77	P22	/SCANSP	OUT	General port 22	Scan stop signal	L: Scanning operation
						interruption
78	P21	/SCANST	OUT	General port 21	Scan start signal	L: Scanning operation
						effective
79	P20	/PRSTART	OUT	General port 20	Print start signal	L: Printing effective
80	/WDTOVR	—	OUT	Watch dog timer overflow	System reset	L: System restart
81	/RES	—	IN	System reset	System reset	0: Power on reset
82	NMI	—	IN	Non-maskable interruption	Reservation	1: Level fixing input
				request
83	/STBY	—	IN	Stand-by	Reservation	1: Level fixing input
84	VCC		POW	Power pin
85	XTAL	—	IN	Oscillation pin	Oscillator (19.6608MHz)
86	EXTAL	—	OUT	Oscillation pin	Oscillator (19.6608MHz)
87	VSS		POW	Ground pin
88	â	CPUCLK	OUT	System clock	System clock	19.6608MHz clock output
89	VCC		POW	Power pin
90	/AS	/AS	OUT	Address strobe	System bus	L: Address effective
91	/RD	/RD	OUT	Lead strobe	System bus	L: Lead effective
92	/HWR	/HWR	OUT	Highlight enable	System bus	L: Highlight effective
93	/LWR	/LWR	OUT	Row write enable	System bus	L: Row write effective
94	PF2	/TMEN	OUT	General port F2	Toner motor drive control	L: Rotating
95	PF1	PMD	OUT	General port F1	Polygon motor drive control	H: Rotating
96	PF0	MMD	OUT	General port F0	Main motor drive control	H: Rotating
97	P50	/MMRDY	IN	General port 50	Main motor ready signal	0: Rotation stable state
98	P51	/PMRDY	IN	General port 51	Polygon motor ready signal	0: Rotation stable state
99	VSS		POW	Ground pin
100	VSS		POW	Ground pin
101	P52	/PRLINE	OUT	General port 52	Print line signal	L: Printing effective
102	P53	/SCLINE	OUT	General port 53	Scan line signal	L: Scanning operation
						effective
103	AVCC		POW	Analog power pin
104	VREF		POW	Analog reference pin
105	AN0	RTH	IN	Analog input 0	Fusing thermistor
					temperature detection
106	AN1	—	IN	Analog input 1	Reservation
107	AN2	—	IN	Analog input 2	Reservation
108	AN3	TONER	IN	Analog input 3	Toner sensor	5V: Toner empty
109	AN4	—	IN	Analog input 4	Reservation
110	AN5	—	IN	Analog input 5	Reservation
111	DA0	DA0	OUT	Analog output 0	CCD reference + side
112	DA1	DA1	OUT	Analog output 1	CCD reference – side
113	AVSS		POW	Analog ground pin
114	VSS		POW	Ground pin
115	TCLKD	LFTCLK	IN	Timer clock external input	Separator motor step count	Separator motor clock input
116	TIOCA2	TMCLK	OUT	Timer clock external output	Toner motor clock	960Hz clock output
117	TCLKC	SFTCLK	IN	Timer clock external input	Shifter motor step count	Shifter motor clock input
118	TIOCA1	PMCLK	OUT	Timer clock external output	Polygon motor clock	2078.74Hz clock output
119	TCLKB	SPFCLK	IN	Timer clock external input	SPF motor step count	SPF motor clock input
120	TCLKA	MIRCLK	IN	Timer clock external input	Mirror motor step count	Mirror motor clock input
121	/DACK1	—	OUT	DMAC channel 1	Reservation	L: Acknowledge effective
				acknowledge
122	/DACK0	—	OUT	DMAC channel 0	Reservation	L: Acknowledge effective
				acknowledge
123	MD0	—	IN	Operation mode setting pin 0	Operation mode setting	Operation mode 4
					(MODE 4)
(Pin descriptions) IN: Input pin OUT: Output pin				BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin

13 – 4