HardLabs

Iobrd

apistol78·rv32·schematics/iobrd/iobrd.kicad_pcb

Iobrd PCB layout, top view — open source board by apistol78

About the Iobrd PCB

Iobrd is an open source PCB design by apistol78, published on GitHub. It is a 2-layer board measuring 38.1 × 83.8 mm, with 20 components from 12 distinct parts.

Other key parts include the FT232RL and LP2951-3.3_SOIC. By type, the board carries 7 resistors, 6 capacitors, 5 connectors and 2 ICs.

It belongs with the audio designs in this gallery.

From the project

Risc-V pipelined CPU and SoC written in SystemVerilog

After everything has been built you should be able to run the emulators:

Written using SystemVerilog and are split up into logical pieces where each stage of the pipeline is in a separate module:

Main components on the Iobrd

FT232RLLP2951-3.3_SOIC

Iobrd bill of materials (BOM)

20 components, 12 distinct parts.

QtyPartRefs
1
FT232RL
U1
1
LP2951-3.3_SOIC
U2
1
Conn_02x32_Odd_Even
J1
1
Conn_01x08_Male
J3
1
Conn_01x03_Male
J4
1
Conn_01x04_Male
J5
1
Conn_01x02_Male
J6
4
10nF
C1, C2, C3, C4
1
0.1uF
C7
1
2.2uF
C8
3
0
R1, R2, R3
4
560
R4, R5, R6, R7

Iobrd design files

The KiCad project lives in the apistol78/rv32 repository on GitHub; these links point at the commit this page was built from.

Iobrd: common questions

How big is the Iobrd PCB?

The Iobrd measures 38.1 × 83.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Iobrd?

20 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the Iobrd design files?

From the apistol78/rv32 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Iobrd design in my own project?

The repository has no license, so all rights stay with apistol78. Use it as a reference, and ask the author before reusing the design.

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