8255
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Rebadged as | Found on PCB (manufacturer) |
---|---|
IGS003 | IGS |
KD89C55A | Subsino |
Programmable Peripheral Interface
Pinout
DIP40 +---\/---+ PA3 | 1 40| PA4 PA2 | 2 39| PA5 PA1 | 3 38| PA6 PA0 | 4 37| PA7 *RD | 5 36| *WR *CS | 6 35| RESET GND | 7 34| D0 A1 | 8 33| D1 A0 | 9 32| D2 PC7 |10 31| D3 PC6 |11 30| D4 PC5 |12 29| D5 PC4 |13 28| D6 PC0 |14 27| D7 PC1 |15 26| Vcc PC2 |16 25| PB7 PC3 |17 24| PB6 PB0 |18 23| PB5 PB1 |19 22| PB4 PB2 |20 21| PB3 +--------+
Frequency
No frequency to check
External links
Files
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Intel D8255A Datasheet
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DCD D8255 Datasheet
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8255A Datasheet