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FO-475TH
FC200 (IC2) Terminal descriptions
Operator Panel Interface
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
Pin Name Pin No. I/O
Input Output
Pin Description
Type Type
5 – 4