Sharp SF-1120 User Manual
Page 126
Pin No.
Port
Signal name
IN/OUT
H/L
Specifications
52
P27
A15
Address signal
53
P50
A16
Address signal
54
P51
LHPS
IN
L
Lens home position signal (LOW at 100%)
55
P52
PPD
IN
H
Transport pass sensor signal (HIGH when paper is sensed.)
56
P53
MCS
IN
H
Drum marking sensor signal
57
VSS
VSS
Power (GND)
58
P60
DATA0
IN
Matrix input 0 (LSI51)
59
P61
DATA1
IN
Matrix input 1 (LSI51)
60
P62
DATA2
IN
Matrix input 2 (LSI51)
61
S-CLK
S-CLK
OUT
H
System clock (Fixed to HIGH)
62
/STBY
/STBY
IN
H
Standby signal (Fixed to HIGH)
63
/RES
/RESET
IN
L
Reset at LOW.
64
NMI
NMI
Non-maskable interruption (Fixed to LOW.)
65
VSS
VSS
Power (GND)
66
EXTAL
EXTAL
IN
Clock (8MHz)
67
XTEL
XTEL
IN
Clock (8MHz)
68
VCC
VCC
Power (+5V2)
69
P63
/AS
OUT
H
Address strobe signal (Fixed to HIGH.)
70
P64
/RD
OUT
L
ROM. I/O data read signal
71
P65
/HWR
OUT
L
I/O data write signal
72
P66
/LWR
OUT
H
Lower write signal (Fixed to HIGH.)
73
MD0
MD0
IN
H
Mode set signal (Fixed to HIGH.)
74
MD1
MD1
IN
L
Mode set signal (Fixed to LOW.)
75
MD2
MD2
IN
H
Mode set signal (Fixed to HIGH.)
76
AVCC
AVCC
A/D, D/A convertor power
77
VREF
VREF
A/D, D/A convertor reference voltage
78
P70
AES
IN
AE sensor signal (Analog input signal)
79
P71
TH
IN
Thermistor signal (Analog input signal)
80
P72
TCS
IN
Toner density sensor signal (Analog input signal)
81
P73
PROCON
IN
Process control signal (Analog input signal)
82
P74
DVC
IN
Developing unit color detection signal (Analog input signal)
83
P75
PD
IN
Original sensor signal (Analog input signal)
84
P76
BLDATA
OUT
Blank lamp data signal (Analog input signal)
85
P77
PCG
OUT
Process control gain signal
86
AVSS
GND
87
P80
MHPS
IN
H
Mirror home position sensor signal
88
P81
FWS
IN
Zero cross detection signal
89
P82
/CS2
OUT
L
Chip select signal (I/O) (I/O is selected at LOW.)
90
P83
/CS1
OUT
L
Chip select signal (EPROM) (EPROM is selected at LOW.)
91
P84
TFD
IN
H
Waste toner sensor signal (Toner full at HIGH)
92
VSS
GND
Power (GND)
93
PA0
LED0
OUT
H
Original detection LED lighting signal 0 (ON at HIGH)
94
PA1
LED1
OUT
Original detection LED lighting signal 1 (ON at HIGH)
95
PA2
CLPWM
OUT
Copy lamp control signal (PWM signal)
96
PA3
MMRE
IN
Main motor rotary encoder detection signal
97
PA4
GBPWM
OUT
Grid bias control signal (PWM signal)
98
PA5
PFMCLK
OUT
Paper feed motor clock signal
99
PA6
TM0
OUT
H
Toner supply motor drive signal 0 (ON at HIGH)
100
PA7
TM1
OUT
H
Toner supply motor drive signal 1 (ON at HIGH)
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