2 layers30 × 61.3 mm
2 layers65 × 56 mm
ATAPIHat SMI
Manawyrm/ATAPIHat-SMI13High-speed ATAPIHat for BCM2835 Secondary Memory Interface
- Size
- 65 × 56 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 45
- Nets
- 64
- Pads
- 161
- Tracks, vias
- 225, 222
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 8 Aug 2020
- Updated
- 21 Dec 2020
Overview
ATAPIHat SMI is an open-source printed circuit board by Manawyrm, from the Manawyrm/ATAPIHat-SMI repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 65 × 56 mm with 45 parts on 64 nets, routed with 225 tracks and 222 vias.
Its parts include 33 resistors, 3 connectors, 2 capacitors and 1 diode. It belongs with the interfaces and adapters boards of this library.
README
README.mdATAPIHat-SMI
Overview
This is an experimental adapter PCB for the pata-gpio driver.
The pinout was chosen deliberately to support faster SMI and BCM2835 register modes,
which are not yet supported in the kernel driver.
Rev.A testboards were ordered but not tested yet. Proceed at your own risk.
Manufacturing
Manufacturing files for JLCPCBs automatic assembly service can be found at gerbers/RevA/ATAPIHat-SMI/.
5 adapter boards cost ~15$ (incl. components).
Additional info
Schematic
Interactive BOM
Bitbanged-GPIO Kernel driver
Credits
The PCB layout was done by @Toble_Miner! Thanks!
Parts
45| Qty | Value | Footprint | References |
|---|---|---|---|
| 22 | 33R | Resistor_SMD:R_0402_1005Metric | R1, R2, R10, R11, R12, R13, R15, R21, R22, R24, R25, R26, R27, R28, R29, R31 +6 |
| 4 | RPi_Hat:RPi_Hat_Mounting_Hole | , , , | |
| 3 | 22R | Resistor_SMD:R_0402_1005Metric | R14, R23, R30 |
| 3 | 75R | Resistor_SMD:R_0402_1005Metric | R7, R8, R20 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R16, R18 |
| 2 | 4.7k | Resistor_SMD:R_0402_1005Metric | R3, R17 |
| 2 | ToolingHole | ToolingHole:ToolingHole_JLCSMT | H1, H2 |
| 1 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1 |
| 1 | 22uF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | 5.6k | Resistor_SMD:R_0402_1005Metric | R19 |
| 1 | Conn_01x03_Male | Jumper:SolderJumper-3_P1.3mm_Bridged12_Pad1.0x1.5mm | J3 |
| 1 | IDE | Connector_IDC:IDC-Header_2x20_P2.54mm_Vertical | J2 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | Pi | Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical | J1 |
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Questions
How big is the ATAPIHat SMI PCB?
It measures 65 × 56 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ATAPIHat SMI use?
45 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the ATAPIHat SMI KiCad files?
From the Manawyrm/ATAPIHat-SMI repository on GitHub, at the commit this page was made from: the board is ATAPIHat-SMI.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the ATAPIHat SMI design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).