AT89x51xxP

MCU_Microchip_8051

8-bit Microcontroller with 4K Bytes Flash, DIP-40

Symbol

40 pins
Schematic symbol for AT89x51xxP
Units
1
Kind
part
Grid
on 1.27 mm

Footprint

40 pads
Footprint for AT89x51xxP
Library
Package_DIP
Mount
through_hole
Courtyard
17.34 × 51.31 mm
Link
exact
Footprint page
Open →

3D model

STEP

Package_DIP_DIP-40_W15.24mm

15.49 × 50.80 × 6.98 mm

1.2 MB STEP

Library
Package_DIP_DIP-40
Link
exact
Model page
Open →

Pins and pads

Every pin on the symbol has a pad on the footprint.

PinNameTypePad
1P1.0bidirectional1
2P1.1bidirectional2
3P1.2bidirectional3
4P1.3bidirectional4
5P1.4bidirectional5
6P1.5bidirectional6
7P1.6bidirectional7
8P1.7/SCKbidirectional8
9RSTinput9
10P3.0bidirectional10
11P3.1bidirectional11
12P3.2bidirectional12
13P3.3bidirectional13
14P3.4bidirectional14
15P3.5bidirectional15
16P3.6bidirectional16
17P3.7bidirectional17
18XTAL2input18
19XTAL1input19
20GNDpower_in20
21P2.0/A8bidirectional21
22P2.1/A9bidirectional22
23P2.2/A10bidirectional23
24P2.3/A11bidirectional24
25P2.4/A12bidirectional25
26P2.5/A13bidirectional26
27P2.6/A14bidirectional27
28P2.7/A15bidirectional28
29~{PSEN}output29
30ALEoutput30
31~{EA}/V_{pp}input31
32P0.7/AD7bidirectional32
33P0.6/AD6bidirectional33
34P0.5/AD5bidirectional34
35P0.4/AD4bidirectional35
36P0.3/AD3bidirectional36
37P0.2/AD2bidirectional37
38P0.1/AD1bidirectional38
39P0.0/AD0bidirectional39
40V_{cc}power_in40

On real boards

20+ designs use this part

3 placed it by name in a schematic; 17 carry its footprint on a board, and no other part in the catalog uses that footprint. Largest first.

Provenance

Credit
KiCad Libraries Contributors
Licence
CC-BY-SA-4.0-with-KiCad-exception
Link method
exact
Cross-check
passed