Sharp UX-68 Service Manual page 34

UX-68DE
FO-78DE
FC200 (IC3) Terminal descriptions
Pin Name Pin No.
OPI[2]/GPIO[23]/ 50
SSCLK1
OPI[3]/GPIO[24] 49
LEDCTL 55
LCDCS 54
GPIO[0] 94
GPIO[1]/SASTXD 93
GPIO[2]/SASRXD 92
GPIO[3]/SASCLK 91
GPIO[4]/CPCIN 90
GPIO[5]/SSCLK2 89
GPIO[6]/SSTXD2 87
GPIO[7]/SSRXD2 86
GPIO[8]/FWRn 85
GPIO[9]/FRDn 84
GPIO[10]/SSSTAT2 83
GPIO[11]/BE/ 82
SERINP
GPIO[12]/CS[2]n 80
GPIO[13]/CS[3]n 79
GPIO[14]/CS[4]n 78
GPIO[15]/CS[5]n 77
GPIO[16]/IRQ[8] 76
GPIO[17] 75
GPIO[18]/IRQ[9]n 74
GPIO[19]/RDY/ 73
SEROUT
GPIO[20]/ALTTONE 107
SM[3:0]/GPO[7:4] [103:106]
PM[3:0]/GPO[3:0] [115:118]
TONE 119
-Vref/CLREF 66
ADXG 68
ADGA 69
ADVA 70
ADGD 72
+Vref 71
VIN 67
THAD1 65
VSS(12) 7,21,28,45,
53,56,64,88,
95,108,132,
134
VDD(8) 14,32,41,48,
81,102,123,
140
VBAT 63
VDRAM 114
Input Output
I/O
Type Type
Operator Panel Interface
I/O HU 2XC (Pullup, Hysteresis In) Keyboard return [2] or GPIO[23] or SSCLK1
(for SSIF1)
I/O HU 2XC (Pullup, Hysteresis In) Keyboard return [3] or GPIO[24]
−
O 4XC Indicates outputs OPO[7:0] are for LEDs.
−
O 1XC LCD chip select.
General Purpose I/O
I/O H 2XC (Hysteresis In) GPIO[0].
I/O H 2XC (Hysteresis In) GPIO[1] or SASTXD (for SERIF).
I/O H 2XC (Hysteresis In) GPIO[2] or SASRXD (for SERIF).
I/O H 2XC (Hysteresis In) GPIO[3] or SASCLK (for SERIF).
I/O H 2XC (Hysteresis In) GPIO[4] or Calling Party Control Input.
I/O H 2XC (Hysteresis In) GPIO[5] or SSCLK2 (for SSIF2).
I/O H 2XC (Hysteresis In) GPIO[6] or SSTXD2 (for SSIF2).
I/O H 2XC (Hysteresis In) GPIO[7] or SSRXD2 (for SSIF2).
I/O H 2XC (Hysteresis In) GPIO[8] or flash write enable signal for NAND-type flash
memory.
I/O H 2XC (Hysteresis In) GPIO[9] or flash read enable signal for NAND-type flash
memory.
I/O H 2XC (Hysteresis In) GPIO[10] or SSSTAT2 (for SSIF2).
I/O H 1XC (Hysteresis In) GPIO[11] or bus enable or serial port data input for
autobaud detection.
I/O H 2XC (Hysteresis In) GPIO[12] or I/O chip select [2].
I/O H 2XC (Hysteresis In) GPIO[13] or I/O chip select [3].
I/O H 2XC (Hysteresis In) GPIO[14] or I/O chip select [4].
I/O H 2XC (Hysteresis In) GPIO[15] or I/O chip select [5].
I/O H 1XC (Hysteresis In) GPIO[16] or external interrupt 8.
I/O H 1XC (Hysteresis In) GPIO[17].
I/O H 1XC (Hysteresis In) GPIO[18] or external interrupt 9.
I/O H 1XC (Hysteresis In) GPIO[19] or ready signal or Serial port data output for
autobaud detection.
I/O H 1XC (Hysteresis In) GPIO[20] or ALTTONE.
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
−
I -VR Negative Reference Voltage for Video A/D or Reference Voltage for the
Clamp Circuit.
−
I VXG A/D Internal GND. (NOTE: This pin requires an external 0.22µF decoupling
capacitor to ADGA.)
VADG A/D Analog Ground
VADV A/D Analog Power
VADG A/D Digital Ground
I +VR Positive Reference Voltage for Video A/D.
−
I VA Analog Video A/D input.
−
I TA Analog Thermal A/D input.
Power and Ground
Digital Ground
Digital Power
Battery Power
DRAM Battery Power
5 – 4
Pin Description