msm63188a Oki Semiconductor, msm63188a Datasheet - Page 16

• Manufacturer Part Number: msm63188a
• Description: 4-bit Microcontroller With Built-in 1024-dot Matrix Lcd Drivers And Melody Circuit Msm63188a4-bit Microcontroller With Built-in 1024-dot Matrix Lcd Drivers And Melody Circuit, Operating At 0.9 V Min.
• Manufacturer: Oki Semiconductor

Function
¡ Semiconductor
Memory
External
Symbol
P6.2/A10
P6.3/A11
P7.0/A12
P7.1/A13
P7.2/A14
P7.3/A15
P8.1/WR
P8.0/RD
P9.0/D0
P9.1/D1
P9.2/D2
P9.3/D3
PA.0/D4
PA.1/D5
PA.2/D6
PA.3/D7
P4.0/A0
P4.1/A1
P4.2/A2
P4.3/A3
P5.0/A4
P5.1/A5
P5.2/A6
P5.3/A7
P6.0/A8
P6.1/A9
Table 2 Pin Descriptions (Secondary Functions) (continued)
Pin
138
137
136
135
132
131
130
129
128
127
126
125
124
123
122
121
116
115
114
113
112
111
110
109
120
119
Type
I/O
O
O
O
Address output bus for external memory
Data bus for external memory
Read signal output pin for external memory (negative logic)
Write signal output pin for external memory (negative logic)
Description
MSM63188A
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