Chumby hacker board beta
From Chumby Wiki
The chumby hacker and OEM board is in Beta currently. It is for sale through distributors (adafruit). Please add to this wiki page with any hacks, findings, or supplements you'd like to contribute!
Helpful tips
Add wifi to the hacker board Install a native c compiler on the hacker board
The root filesystem is read-only by default on the hacker board. To make it read-write, use this command:
mount -o remount,rw /
Schematics
Layout Files
Hackerboard Gerbers
Hackerboard Source in the preferred form for modification by the designer (Altium DXP)
Datasheets
CPU
- CPU programmer's reference manual: Freescale i.MX233 (very large)
- CPU datasheet: i.MX233 electrical characteristics
- CPU erratum: i.MX233 bugs
Memory
- DDR memory: Hynix 512MB DDR or equiv
- MicroSD memory: JEDEC standard JESD84-B42 (registration required)
Peripherals
- Accelerometer: Freescale MMA7455L
- DCID EEPROM: Atmel AT24C08B or equiv
- CPID EEPROM: Atmel AT24C128B or equiv
- LCD backlight boost: Exar/Sipex SP6699
- D-pad switch: Panasonic EVQQ7
- Auto power mux (5V): TI TPS2113A (not recommended for new designs, TI parts are very hard to source)
- USB power switch: Fairchild FDG6331L
- Power connector: CUI PJ-045H
- +5V boost converter (for USB): Rohm BD8314
- USB hub chip: Genesys Logic GL850G
- Battery bypass switch: Fairchild FDFMA2P029Z integrated diode/FET switch
