W921E840A microcontroller equivalent, 4-bit microcontroller.
....3 3. PIN CONFIGURATIONS.....6
40-pin DIP......6 48-pin QFP.....7 4. PIN DESCRIPTION...9 5. BLOCK DIAGRAM ..10 6. FUNCTIONAL DESCRIPTION ...11 6.1 ROM Memory Map ...11.
.3 2. FEATURES.....3 3. PIN CONFIGURATIONS.....6
40-pin DIP......6 48-pin QFP.....7 4. PIN DESCRIPTION...9 5. BLOCK DIAGRAM ..10 6. FUNCTIONAL DESCRIPTION ...11 6.1 ROM Memory Map ...11 6.2 RAM Memory Map....12
6.2.1 Special Control Register Area ....
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