HardLabs

Sii9022a Breakout

gregdavill·syzygy-pods·hardware/sii9022a/sii9022a.kicad_pcb

Sii9022a Breakout layout, top view — open source AVR/Arduino board by gregdavill
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About the Sii9022a Breakout

Sii9022a Breakout is an open source AVR/Arduino PCB design by gregdavill, published on GitHub. It is a 4-layer board measuring 45 × 35 mm, with 65 components from 20 distinct parts.

Its main chip is the ATTINY44A-MMH, from the AVR/Arduino family. Other key parts include the SiI9022A and TPS62290. By type, the board carries 34 resistors, 19 capacitors, 4 inductors, 3 ICs, 3 diodes and 2 connectors.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

SYZYGY is an FPGA expansion standard for medium to high speed interfaces. Learn more and check out the specifications here: https://syzygyfpga.io/

SYZYGY is an FPGA expansion standard for medium to high speed interfaces. Learn more and check out the specifications here: https://syzygyfpga.io/

lvds-10.1"-panel - 10.1" 1280x800 LVDS LCD + PMIC ds90c124-deserializer - 1 to 24bit deserialzer sii9022a - HDMI transmitter can - MCP25625 based CAN controller

Main components on the Sii9022a Breakout

ATTINY44A-MMHSiI9022ATPS62290

Sii9022a Breakout bill of materials (BOM)

65 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATTINY44A-MMH
ATtiny44A-MMH
U1
1
SiI9022A
U2
1
TPS62290
U3
1
QTE-020-01-F-D-A
SYZYGY-STD
J1
1
HDMI_D_1.4
J2
3
LED_ALT
D1, D2, D3
3
1k @ 100MHz
FB1, FB2, FB3
1
2.2uH
L1
12
CL05B104KP5NNNC
0.1uF
C1, C2, C3, C4, C5, C6, C7, C8 +4
4
CL05B104KP5NNNC
10uF
C12, C13, C16, C17
1
CL05A105KP5NNNC
1uF
C15
1
CL05B104KP5NNNC
22pF
C18
1
CL05B104KP5NNNC
2.2uF
C19
1
RMCF0402FT10K0
10K
R1
23
47R
R2, R3, R4, R5, R6, R7, R8, R12 +15
5
1k
R9, R10, R31, R32, R33
1
4.3k
R34
1
DNP
R35
2
2.2k
R37, R38
1
10k
R39

Sii9022a Breakout design files

The KiCad project lives in the gregdavill/syzygy-pods repository on GitHub; these links point at the commit this page was built from.

Sii9022a Breakout: common questions

What microcontroller does the Sii9022a Breakout use?

The Sii9022a Breakout is built around the ATTINY44A-MMH, from the AVR/Arduino family.

How big is the Sii9022a Breakout?

The Sii9022a Breakout measures 45 × 35 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Sii9022a Breakout?

65 components, from 20 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 Sii9022a Breakout design files?

From the gregdavill/syzygy-pods 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 Sii9022a Breakout design in my own project?

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

Can I test firmware for the Sii9022a Breakout 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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