PIN
NO.
NAME
I/O
FUNCTION
PIN
NO.
NAME
I/O
FUNCTION
89
–
Unconnected inside
133
–
Unconnected inside
90
–
Unconnected inside
134
–
Unconnected inside
91
MD03
IO+
External memory data bus
135
PA0
IO
Multipurpose I/O port
92
MD11
IO+
136
PA1
IO
93
MD04
IO+
137
PA2
IO
94
MD12
IO+
138
PA3
IO
95
MD05
IO+
139
PA4
IO
96
MD13
IO+
140
PA5
IO
97
MD06
IO+
141
PA6
IO
98
MD14
IO+
142
PA7
IO
99
MD07
IO+
143
PB0
IO
100
MD15
IO+
144
PB1
IO
101
VSS
G
Digital core ground
145
PB2
IO
102 CS50RDN/PE4/RCLK
*
Setting priority PE4 >
146
PB3
IO
RCLK(SDRAM) > CS50RDN
103 MA17/PASN
O
External memory address
147
PB4
IO
104
MA23
O
148
PB5
IO
105
MA16
O
149
PB6
IO
106
MA15
O
150
PB7/SYI
IO
107
MA14
O
151
IOVDD
IOP IO power supply
108
MA13
O
152
VSS
G
Digital core ground
109
MA12
O
153
VDD
P
Digital core power supply
110
MA11
O
154 WRN/PF5/WEN
O
*
Setting priority PF5 >
WEN(SDRAM) > WRN
111
VDD
Digital core power supply
155 UBN/PF7/UDQM
O
*
Setting priority PF7 >
UDQM(SDRAM) > UBN
112
IOVDD
IO power supply
156 LBN/PF6/LBQM
O
*
Setting priority PF6 >
LDQM(SDRAM) > LBN
113
MA10
O
External memory address
157 CS2N/PE0/KYB07
O
Chip select for area 4
114
MA09
O
158 CS3N/PE1/KYB08
O
Chip select for area 5
115
MA20
O
159
CS4N/PE2
O
Chip select for area 6
116
MA21/PF1
O
160 CS5N/PE3/KYB09
O
Chip select for area 7
117
MA22/PF2
O
161 CS51WRN/PE5/KYB122
O
*
For shining keyboard
118
MA19
O
162 CS52WRN/PE6/KYB13
O
*
For shining keyboard
119 MA18/CASH
O
163 CS53WRN/PE7
O
*
For shining keyboard
120
MA08
O
164
PF3
O
Port for output only
121
MA07
O
165
PJ5
O
Key selection signal for keyboard
122
MA06
O
166
PJ4/KYB11
O
Key selection signal for keyboard
123
MA05
O
167
PJ3/KYB01
O
Key selection signal for keyboard
124
MA04
O
168
PJ2/KY04
O
Key selection signal for keyboard
125
MA03
O
169
PJ1/KYB03
O
Key selection signal for keyboard
126
MA02
O
170
PJ0/KYB02
O
Key selection signal for keyboard
127
MA00
O
171
VSS
G
Digital core ground
128
CS1N/PG1
O
Chip select for area 3
172
ECSN
Is
Chip select input from external CPU
129
VSS
G
Digital core ground
173 EWRN/PD5/KYN26
Is
Write enable input from external CPU
130
ICN
Is
Reset
174 ERDN/PD4/KYN25
Is
Read enable input from external CPU
131
VSS
G
Digital core ground
175
–
Unconnected inside
132
–
Unconnected inside
176
–
Unconnected inside
P-35B
P-105B/P-105WH/P-35B/L-85WH/LP-5AWH
29