# 8051 uC development board ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** hariharasudhang - **Created:** 5/11/2024 - **Last Updated:** 7/24/2024 - **Visibility:** Public ## Key Components ### IC1 — [AT89S51-24PU](https://www.flux.ai/jecstronic/at89s51-24pu~89k.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/doc2487.pdf - Manufacturer Name: Microchip Technology - Manufacturer Part Number: AT89S51-24PU **Pins:** - (~INT0)_P3.2 [pin 12] - (~INT1)_P3.3 [pin 13] - (~RD)_P3.7 [pin 17] - (~WR)_P3.6 [pin 16] - (MISO)_P1.6 [pin 7] - (MOSI)_P1.5 [pin 6] - (RXD)_P3.0 [pin 10] - (SCK)_P1.7 [pin 8] - (T0)_P3.4 [pin 14] - (T1)_P3.5 [pin 15] - (TXD)_P3.1 [pin 11] - ~EA~/VPP [pin 31] - ~PSEN [pin 29] - ALE/~PROG [pin 30] - GND [pin 20] - P0.0_(AD0) [pin 39] - P0.1_(AD1) [pin 38] - P0.2_(AD2) [pin 37] - P0.3_(AD3) [pin 36] - P0.4_(AD4) [pin 35] - P0.5_(AD5) [pin 34] - P0.6_(AD6) [pin 33] - P0.7_(AD7) [pin 32] - P1.0 [pin 1] - P1.1 [pin 2] - P1.2 [pin 3] - P1.3 [pin 4] - P1.4 [pin 5] - P2.0_(A8) [pin 21] - P2.1_(A9) [pin 22] - P2.2_(A10) [pin 23] - P2.3_(A11) [pin 24] - P2.4_(A12) [pin 25] - P2.5_(A13) [pin 26] - P2.6_(A14) [pin 27] - P2.7_(A15) [pin 28] - RST [pin 9] - VCC [pin 40] - XTAL1 [pin 19] - XTAL2 [pin 18] ### J1 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Part Number: 691137710002 - Part Type: Connector - Manufacturer Name: Würth Elektrik **Pins:** - P1 [pin 1] - P2 [pin 2] ### J2 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### U1 — [LM7805CT/NOPB](https://www.flux.ai/adrian95/lm7805ctnopb~wo3.md) - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm340.pdf - Manufacturer Part Number: LM7805CT/NOPB - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 2] - VI [pin 1] - VO [pin 3] ### U2 — [AT89S52-24PU](https://www.flux.ai/adrian95/at89s52-24pu~m9o.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: AT89S52-24PU - Part Type: Microcontroller - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/doc1919.pdf - Manufacturer Name: Microchip Technology **Pins:** - ~EA~/VPP [pin 31] - ~PSEN [pin 29] - ALE/~PROG [pin 30] - GND [pin 20] - P0.0_(AD0) [pin 39] - P0.1_(AD1) [pin 38] - P0.2_(AD2) [pin 37] - P0.3_(AD3) [pin 36] - P0.4_(AD4) [pin 35] - P0.5_(AD5) [pin 34] - P0.6_(AD6) [pin 33] - P0.7_(AD7) [pin 32] - P1.0_(T2) [pin 1] - P1.1_(T2EX) [pin 2] - P1.2 [pin 3] - P1.3 [pin 4] - P1.4 [pin 5] - P1.5_(MOSI) [pin 6] - P1.6_(MISO) [pin 7] - P1.7_(SCK) [pin 8] - P2.0_(A8) [pin 21] - P2.1_(A9) [pin 22] - P2.2_(A10) [pin 23] - P2.3_(A11) [pin 24] - P2.4_(A12) [pin 25] - P2.5_(A13) [pin 26] - P2.6_(A14) [pin 27] - P2.7_(A15) [pin 28] - P3.0_(RXD) [pin 10] - P3.1_(TXD) [pin 11] - P3.2_(~INT0) [pin 12] - P3.3_(~INT1) [pin 13] - P3.4_(T0) [pin 14] - P3.5_(T1) [pin 15] - P3.6_(~WR) [pin 16] - P3.7_(~RD) [pin 17] - RST [pin 9] - VCC [pin 40] - XTAL1 [pin 19] - XTAL2 [pin 18] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/hariharasudhang/8051-uc-development-board~os](https://www.flux.ai/hariharasudhang/8051-uc-development-board~os).* --- *Generated from [https://www.flux.ai/hariharasudhang/8051-uc-development-board~os](https://www.flux.ai/hariharasudhang/8051-uc-development-board~os)*