Sharp FACSIMILE XU-107 Service Manual page 57

Pin Name Pin No.
OPO[4:0] [42:44][46:47]
OPI[3:0] [49:52]
LEDCTL 55
LCDCS 54
GPIO[7:0]/ [86:87][89:94]
VID[7:0]
GPIO[10:8]/ [83:85]
VDC[2:0]
GPIO12/ 80
CS2n/SCLK
GPIO13/ 79
CS3n/TXD
GPIO14/ 78
CS4n/RXD
GPIO16/ 76
IRQ8
GPIO17/ 75
IRQ5n
SM[3:0]/ [103:106]
GPO[7:4]
PM[3:0]/ [115:118]
GPO[3:0]
TONE 119
−Vref
66
+Vref 68
ADGA 69
ADVA 70
ADGD 72
ADVD 71
VIN 67
THADI 65
VSS (8) 134, 132, 95,
88, 53, 45, 28,
21
VDD (7) 140, 123, 102,
81, 48, 41, 14
VBAT 63
NC 1, 2, 3, 4, 7, 32,
38, 39, 40, 56,
64, 73, 74, 77,
82, 107, 108,
109, 110-114
Input Output
I/O
Type Type
Operator Panel Interface
−
O 2XL Keyboard/LED strobe [4:0].
−
I HU Keyboard return [3:0]. (Pullup. Hysteresis In.)
−
O 4XC Indicates outputs OPO [4:0] are for LEDs.
−
O 1XC LCD chip select.
General Purpose I/O
I/O H 2XC Programmable: GPIO (8 lines) or video data bus.
I/O H 2XC Programmable: GPIO (3 lines) or video data control signals.
I/O H 2XC Programmable: GPIO line, I/O chip select or SCLK (SART).
I/O H 2XC Programmable: GPIO line, I/O chip select or TXD (SART).
I/O H 2XC Programmable: GPIO line, I/O chip select or RXD (SART).
I/O H 1XC Programmable: GPIO line or active high interrupt.
I/O H 1XC Programmable: GPIO line or active low interrupt.
Miscellaneous
−
O 1XC Programmable: scan motor control pins or GPO pins.
−
O 1XC Programmable: print motor control pins or GPO pins.
−
O 1XC Tone output signal.
Power, Reference Voltages, Ground
−VR −
I Negative Reference Voltage for Video A/D.
−
I +VR Positive Reference Voltage for Video A/D.
VADG A/D Analog Ground.
VADV A/D Analog Power.
VADG A/D Digital Ground.
VADV A/D Digital Power.
−
I VA Analog Video A/D input.
−
I TA Analog Thermal A/D input.
Digital Ground.
Digital Power.
Battery Power.
No Connection
No connection.
Pin Description
5 – 4
UX-177H