Sharp UX-310 Service Manual download pdf (Page 50)

UX-310DE

FO-730DE/NX-530DE

Operator Panel Interface

OPI[2]/GPIO[23]/ 50 I/O HU 2XC (Pullup, Hysteresis In) Keyboard return [2] or GPIO[23] or SSCLK1

SSCLK1 (for SSIF1)

OPI[3]/GPIO[24] 49 I/O HU 2XC (Pullup, Hysteresis In) Keyboard return [3] or GPIO[24]

LEDCTL 55 O − 4XC Indicates outputs OPO[7:0] are for LEDs.

LCDCS 54 O − 1XC LCD chip select.

General Purpose I/O

GPIO[0] 94 I/O H 2XC (Hysteresis In) GPIO[0].

GPIO[1]/SASTXD 93 I/O H 2XC (Hysteresis In) GPIO[1] or SASTXD (for SERIF).

GPIO[2]/SASRXD 92 I/O H 2XC (Hysteresis In) GPIO[2] or SASRXD (for SERIF).

GPIO[3]/SASCLK 91 I/O H 2XC (Hysteresis In) GPIO[3] or SASCLK (for SERIF).

GPIO[4]/CPCIN 90 I/O H 2XC (Hysteresis In) GPIO[4] or Calling Party Control Input.

GPIO[5]/SSCLK2 89 I/O H 2XC (Hysteresis In) GPIO[5] or SSCLK2 (for SSIF2).

GPIO[6]/SSTXD2 87 I/O H 2XC (Hysteresis In) GPIO[6] or SSTXD2 (for SSIF2).

GPIO[7]/SSRXD2 86 I/O H 2XC (Hysteresis In) GPIO[7] or SSRXD2 (for SSIF2).

GPIO[8]/FWRn 85 I/O H 2XC (Hysteresis In) GPIO[8] or flash write enable signal for NAND-type flash

memory.

GPIO[9]/FRDn 84 I/O H 2XC (Hysteresis In) GPIO[9] or flash read enable signal for NAND-type flash

memory.

GPIO[10]/SSSTAT2

83 I/O H 2XC (Hysteresis In) GPIO[10] or SSSTAT2 (for SSIF2).

GPIO[11]/BE/ 82 I/O H 1XC (Hysteresis In) GPIO[11] or bus enable or serial port data input for

SERINP autobaud detection.

GPIO[12]/CS[2]n 80 I/O H 2XC (Hysteresis In) GPIO[12] or I/O chip select [2].

GPIO[13]/CS[3]n 79 I/O H 2XC (Hysteresis In) GPIO[13] or I/O chip select [3].

GPIO[14]/CS[4]n 78 I/O H 2XC (Hysteresis In) GPIO[14] or I/O chip select [4].

GPIO[15]/CS[5]n 77 I/O H 2XC (Hysteresis In) GPIO[15] or I/O chip select [5].

GPIO[16]/IRQ[8] 76 I/O H 1XC (Hysteresis In) GPIO[16] or external interrupt 8.

GPIO[17]/IRQ[5]n 75 I/O H 1XC (Hysteresis In) GPIO[17] or external interrupt 5.

GPIO[18]/IRQ[9]n 74 I/O H 1XC (Hysteresis In) GPIO[18] or external interrupt 9.

GPIO[19]/RDY/ 73 I/O H 1XC (Hysteresis In) GPIO[19] or ready signal or Serial port data output for

SEROUT autobaud detection.

GPIO[20]/ALTTONE

107 I/O H 1XC (Hysteresis In) GPIO[20] or ALTTONE.

Miscellaneous

SM[3:0]/GPO[7:4] [103:106] O − 1XC Programmable: scan motor control pins or GPO pins.

PM[3:0]/GPO[3:0] [115:118] O − 1XC Programmable: print motor control pins or GPO pins.

TONE 119 O − 1XC Tone output signal.

Power, Reference Voltages, Ground

-Vref/CLREF 66 I -VR − Negative Reference Voltage for Video A/D or Reference Voltage for the

Clamp Circuit.

ADXG 68 I VXG − A/D Internal GND. (NOTE: This pin requires an external 0.22µF decoupling

capacitor to ADGA.)

ADGA 69 VADG A/D Analog Ground

ADVA 70 VADV A/D Analog Power

ADGD 72 VADG A/D Digital Ground

+Vref 71 I +VR Positive Reference Voltage for Video A/D.

VIN 67 I VA − Analog Video A/D input.

THADI 65 I TA − Analog Thermal A/D input.

Power and Ground

VSS(12) 7,21,28,45, Digital Ground

53,56,64,88,

95,108,132,

134

VDD(8) 14,32,41,48, Digital Power

81,102,123,

140

VBAT 63 Battery Power

VDRAM 114 DRAM Battery Power

FC100M (IC9) Terminal descriptions

Pin Name Pin No. I/O

Input Output

Pin Description

Type Type

5 – 4

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 80 81

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Sharp UX-310 Service Manual Page 50

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