HardLabs

CW308T 87C51

nikitalita·cw-kicad-conversions·CW308T_87C51/kicad/CW308T_87C51.kicad_pcb

CW308T 87C51 PCB layout, top view — open source AVR/Arduino board by nikitalita

About the CW308T 87C51 PCB

CW308T 87C51 is an open source AVR/Arduino PCB design by nikitalita, published on GitHub. It is a 2-layer board measuring 55.5 × 84.5 mm, with 42 components from 12 distinct parts.

Its main chip is the ATMEGA325PA-AU, from the AVR/Arduino family. Other key parts include the 8444-11B1-RK-TP. By type, the board carries 19 resistors, 12 connectors, 8 capacitors, 2 ICs and 1 crystal.

It belongs with the test & measurement designs in this gallery.

From the project

The 87C51 target is designed for a line of 8051 processors made by Intel in PLCC44 package, although other manufactures make equivalent devices as well (notably NXP as well). This target board allows for two types of side channel attacks:

The 87C51 target is designed for a line of 8051 processors made by Intel in PLCC44 package, although other manufactures make equivalent devices as well (notably NXP as well). This target board allows for two types of side channel attacks:

1. Regular power analysis or glitching on the 87C51 firmware (ex: attacking an AES key while the 87C51 performs AES encryption)

CW308T 87C51, from the project README
From the project README

Main components on the CW308T 87C51

8444-11B1-RK-TPATMEGA325PA-AU

CW308T 87C51 bill of materials (BOM)

42 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
8444-11B1-RK-TP
87C51
U1
1
ATMEGA325PA-AU
ATmega325PA-AU
U3
1
ABMM2-8.000MHZ-E2-T
X1
8
68000-203HLF
J1, J2, J3, J4, J5, J6, J7, J11
2
68000-220HLF
20-Pin Header
J8, J9
1
68000-220HLF
CW308_TARGETCON
J10
1
DW-02-16-G-S-200
J12
5
100nf
C1, C2, C3, C5, C8
1
100n
C4
2
27p
C6, C7
17
10K
R1, R2, R3, R4, R5, R6, R7, R8 +9
2
51R
R13, R14

CW308T 87C51 design files

The KiCad project lives in the nikitalita/cw-kicad-conversions repository on GitHub; these links point at the commit this page was built from.

CW308T 87C51: common questions

What microcontroller does the CW308T 87C51 use?

The CW308T 87C51 is built around the ATMEGA325PA-AU, from the AVR/Arduino family.

How big is the CW308T 87C51 PCB?

The CW308T 87C51 measures 55.5 × 84.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the CW308T 87C51?

42 components, from 12 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the CW308T 87C51 design files?

From the nikitalita/cw-kicad-conversions repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the CW308T 87C51 design in my own project?

The repository has no license, so all rights stay with nikitalita. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the CW308T 87C51 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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