Sharp UP-3300 Service Manual page 41

Pin
Name I/O
No.
100 VDD –
101 GND –
102 IRRXZ ICS IR IN FROM IR UNIT
103 RCRXZ ICS NU
104 DAX1 OSCI IR CLOCK (7.37MHz)
105 DAX2 OSCO IR CLOCK (7.37MHz)
106 IPLON O IPLON SIGNAL
107 MCR2Z O NU
108 WAITZ O WAIT FOR CPU
109 EXWAITZ IU EXTERNAL WAIT INPUT SIGNAL
110 RA18 O NU
111 RA17 O NU
112 GND –
113 RA16 O NU
114 RA15 O NU
115 RDOZ O8M EXPANSION RD
116 WROZ O8M EXPANSION WR
117 EXINT3Z ICS EXPANSION INTERRUPT SIGNAL
118 EXINT2Z ICS EXPANSION INTERRUPT SIGNAL
119 EXINT1Z ICS EXPANSION INTERRUPT SIGNAL
120 EXINT0Z ICS EXPANSION INTERRUPT SIGNAL
121 OPTCSZ O BASE DECODE SIGNAL FOR
EXPANSION SLOT
122 ROS1Z O NU
123 ROS2Z O N U
124 RAS2 O NU
125 TPTXD O SERIAL OUT FOR TOUCH PANEL
126 TPRXD ICS SERIAL IN FROM TOUCH PANEL
127 TPCKI ICS SERIAL CLOCK 9.83MHz/64 (TOUCH
PANEL INTERFACE)
128 DT4 ON NU
129 DT3 ON NU
130 DT2 ON NU
131 DT1 ON NU
132 GND –
133 DT7 ON NU
134 DT6 ON NU
135 DT5 ON NU
136 RJMTS ON NU
137 RJMTD ON NU
138 DT9 ON NU
139 DT8 ON NU
140 SYNC IU NU
141 ASKRXZ ICS IR INPUT FROM IR UNIT
142 VDD –
143 GND –
144 RDD1 ICS SERIAL IN FROM MCR TRACK1
145 RAS3 O NU
146 CLS1 ICS CARD SENSE ON MCR TRACK1
147 SLMTD ON NU
148 SLMTS ON NU
149 RCP1 ICS CLOCK PULSE FROM MCR TRACK1
Description
7 – 8
Pin
Name I/O
No.
150 HTS2 O SERIAL OUT (OPTION CKDC
INTERFACE)
151 SCK2 O SERIAL CLOCK (OPTION CKDC
INTERFACE)
152 STH2 IS SERIAL IN (OPTION CKDC
INTERFACE)
153 TEST0 I TEST PIN
154 TEST1 I TEST PIN
155 TEST2 I TEST PIN
156 RDD2 ICS SERIAL IN FROM MCR TRACK1
157 CLS2 ICS CARD SENSE ON MCR TRACK1
158 LCDWT IU NU
159 RCP2 ICS CLOCK PULSE FROM MCR TRACK1
160 RASP O NU
I TTL input
IS TTL Schmidt input
IU TTL pull up input
IC CMOS input
ICS CMOS Schmidt input
ICU CMOS pull up input
IO TTL I/O
O Output 4mA
O8M Output 8mA
ON Nch open drain output
OSIC Oscillation circuit input
OSCI Oscillation circuit output
Description
NU
NU
NU