Chumby hacker board beta
From Chumby Wiki
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
