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8049
MCS-48 8-bit Microcontroller, 2KB Mask ROM, 128B RAM, DIP-40
Schematic Symbol
Pin Configuration (40 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | T0 | input |
| 2 | X1 | input |
| 3 | X2 | output |
| 4 | ~{RESET} | input |
| 5 | ~{SS} | input |
| 6 | ~{INT} | input |
| 7 | EA | input |
| 8 | ~{RD} | output |
| 9 | ~{PSEN} | output |
| 10 | ~{WR} | output |
| 11 | ALE | output |
| 12 | DB.0 | bidirectional |
| 13 | DB.1 | bidirectional |
| 14 | DB.2 | bidirectional |
| 15 | DB.3 | bidirectional |
| 16 | DB.4 | bidirectional |
| 17 | DB.5 | bidirectional |
| 18 | DB.6 | bidirectional |
| 19 | DB.7 | bidirectional |
| 20 | GND | power_in |
| 21 | P2.0 | bidirectional |
| 22 | P2.1 | bidirectional |
| 23 | P2.2 | bidirectional |
| 24 | P2.3 | bidirectional |
| 25 | PROG | output |
| 26 | VDD | power_in |
| 27 | P1.0 | bidirectional |
| 28 | P1.1 | bidirectional |
| 29 | P1.2 | bidirectional |
| 30 | P1.3 | bidirectional |
| 31 | P1.4 | bidirectional |
| 32 | P1.5 | bidirectional |
| 33 | P1.6 | bidirectional |
| 34 | P1.7 | bidirectional |
| 35 | P2.4 | bidirectional |
| 36 | P2.5 | bidirectional |
| 37 | P2.6 | bidirectional |
| 38 | P2.7 | bidirectional |
| 39 | T1 | input |
| 40 | VCC | power_in |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.