FO-50RA
FO-70RA
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]
75
I/O
H
1XC
(Hysteresis In) GPIO[17].
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 0.22
µ
F 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.
THAD1
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
FC200 (IC2) Terminal descriptions
Pin Name
Pin No.
I/O
Input
Output
Pin Description
Type
Type
5 – 4
Summary of Contents for FO-50
Page 12: ...1 10 FO 50RA FO 70RA M E M O ...
Page 45: ...FO 50RA FO 70RA 3 14 M E M O ...
Page 67: ...FO 50RA FO 70RA Control PWB parts layout Top side 6 7 ...
Page 68: ...FO 50RA FO 70RA Control PWB parts layout Bottom side 6 8 ...
Page 71: ...FO 50RA FO 70RA TEL LIU PWB parts layout Top side 6 11 ...
Page 72: ...FO 50RA FO 70RA 6 12 TEL LIU PWB parts layout Bottom side ...
