AT89x51xxJ
MCU_Microchip_8051
8-bit Microcontroller with 4K Bytes Flash, PLCC-44
Symbol
44 pins
- Units
- 1
- Kind
- part
- Grid
- on 1.27 mm
Footprint
44 pads
- Library
- Package_LCC
- Mount
- smd
- Courtyard
- 18.6 × 18.6 mm
- Link
- exact
- Footprint page
- Open →
3D model
noneno 3D model
The footprint references no model, or the referenced model is not in the upstream package set.
Pins and pads
Every pin on the symbol has a pad on the footprint.
| Pin | Name | Type | Pad |
|---|---|---|---|
| 1 | NC | no_connect | 1 |
| 2 | P1.0 | bidirectional | 2 |
| 3 | P1.1 | bidirectional | 3 |
| 4 | P1.2 | bidirectional | 4 |
| 5 | P1.3 | bidirectional | 5 |
| 6 | P1.4 | bidirectional | 6 |
| 7 | P1.5 | bidirectional | 7 |
| 8 | P1.6 | bidirectional | 8 |
| 9 | P1.7/SCK | bidirectional | 9 |
| 10 | RST | input | 10 |
| 11 | P3.0 | bidirectional | 11 |
| 12 | NC | no_connect | 12 |
| 13 | P3.1 | bidirectional | 13 |
| 14 | P3.2 | bidirectional | 14 |
| 15 | P3.3 | bidirectional | 15 |
| 16 | P3.4 | bidirectional | 16 |
| 17 | P3.5 | bidirectional | 17 |
| 18 | P3.6 | bidirectional | 18 |
| 19 | P3.7 | bidirectional | 19 |
| 20 | XTAL2 | input | 20 |
| 21 | XTAL1 | input | 21 |
| 22 | GND | power_in | 22 |
| 23 | NC | no_connect | 23 |
| 24 | P2.0/A8 | bidirectional | 24 |
| 25 | P2.1/A9 | bidirectional | 25 |
| 26 | P2.2/A10 | bidirectional | 26 |
| 27 | P2.3/A11 | bidirectional | 27 |
| 28 | P2.4/A12 | bidirectional | 28 |
| 29 | P2.5/A13 | bidirectional | 29 |
| 30 | P2.6/A14 | bidirectional | 30 |
| 31 | P2.7/A15 | bidirectional | 31 |
| 32 | ~{PSEN} | output | 32 |
| 33 | ALE | output | 33 |
| 34 | NC | no_connect | 34 |
| 35 | ~{EA}/V_{pp} | input | 35 |
| 36 | P0.7/AD7 | bidirectional | 36 |
| 37 | P0.6/AD6 | bidirectional | 37 |
| 38 | P0.5/AD5 | bidirectional | 38 |
| 39 | P0.4/AD4 | bidirectional | 39 |
| 40 | P0.3/AD3 | bidirectional | 40 |
| 41 | P0.2/AD2 | bidirectional | 41 |
| 42 | P0.1/AD1 | bidirectional | 42 |
| 43 | P0.0/AD0 | bidirectional | 43 |
| 44 | V_{cc} | power_in | 44 |
On real boards
17 designs use this part
17 carry its footprint on a board, and no other part in the catalog uses that footprint. Largest first.
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- DDRAIG68K Hardware BOARD9by footprint
- Hardware BOARD3by footprint
- DDRAIG68K Hardware BOARD3by footprint
- xirtamby footprint
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Provenance
- Source
- kicad-symbols
- Credit
- KiCad Libraries Contributors
- Licence
- CC-BY-SA-4.0-with-KiCad-exception
- Link method
- exact
- Cross-check
- passed