Panasonic KX-FT25LA, Service Manual

Page: 108 / 167

Pin No. Pin Name Buffer Power Supply Description Digital I/O
96 VSS Ground GND
97 5V Power supply for buffer +5V
98 RBA0 5V Bank address (also used as DRAM address) A13 O
99 RBA1 5V Bank address (also used as DRAM address) A14 O
100 RBA2 5V Bank address (also used as DRAM address) A15 O
101 RBA3 5V Bank address (also used as DRAM address) A16 O
102 RBA4 5V Bank address (also used as DRAM address) A17 O
103 RBA5/OP 5V Bank address (also used as DRAM address)/output
port selection A18 O
104 RBA6/IOP96 5V Bank address/Input output port selection PAPER I
105 STB1 5V Thermal head strobe 1 STB1 O
106 STB2 5V Thermal head strobe 2 STB2 O
107 STB3 5V Thermal head strobe 3 OPEN
108 XRESET 5V Reset input for internal digital circuit XRESET I
109 XORESET 5V No chattering RESET (Noise reduction of XRESET ) XORESET O
110 5V Power supply for buffer +5V
111 VSS Ground GND
112 XRESETI 5V Input the comparator output for reset. XRESETI I
113 XWDERR 5V Watch dog error XWDERR OD
114 THDAT 5V Thermal head data TH DATA O
115 THCLK 5V Thermal head clock TH CLK O
116 3.3V Power supply for internal logic +3.3V
117 VSS Ground GND
118 THLAT 5V Thermal head latch TH LAT O
119 STBNP 5V Input port MOTOR POS. I
120 RM0/IOP00 5V Motor control/input output selection T5 O
121 RM1/IOP01 5V Motor control/input output selection T4 O
122 RM2/IOP02 5V Motor control/input output selection T3 O
123 RM3/IOP03 5V Motor control/input output selection T2 O
124 RXE/IP04 5V Motor control/input selection T0 O
125 TM0/IOP10 5V Motor control/input output selection KSTART O
126 5V Power supply for buffer +5V
127 VSS Ground GND
128 TM1/IOP11 5V Motor control/input output selection LED ON O
129 TM2/IOP12 5V Motor control/input output selection THON O
130 TM3/IOP13 5V Motor control/input output selection KTXD O
131 TXE/IP14 5V Motor control/input selection KRXD I
132 KSTART 5V Operation panel I/F KSCLK O
133 KLATCH 5V Operation panel I/F (also used as output port) KLATCH O
134 KSCLK 5V Operation panel I/F OPEN
135 KTXD 5V Operation panel I/F OPEN
136 KRXD 5V Operation panel I/F GND
137 ADSEL1 5V AIN2 control 1 ADSEL1 O/Z
138 VSSC Ground for analog video processing GND
139 VDDC Power supply for analog video processing +3.3V
140 VSSA Ground for analog video processing GND
141 VDDA Power supply for analog video processing +3.3V
142 VREFB Analog A/D Reference - VREFB
143 VCL Analog Clamp level VCL
144 VREFT Analog A/D Ref OPEN
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KX-FT25LA