PowerShot A640[]

The Canon PowerShot A640 was released in September 2006. It is based on the Digic II platform and features the VxWorks OS.


CHDK is available for the Powershot A640 with firmware version 1.00B from the Download page

Canon PowerShot A640

Reviews and Specifications[]

Technical Data[]

  • DIGIC II image processor
  • VxWorks operating system
  • 10 Megapixel CCD, 1/1.8 inch CCD type sensor
  • F2.8-4.1, 4X optical zoom lens, 35-140mm (equiv.)
  • Flip-out, rotating 2.5" LCD display
  • ISO range 80 to 800 (Canon)
  • Max resolution: 3648 x 2736
  • Full manual controls
  • Can record movies at 640 x 480 (30 frames/second)
  • Support for conversion lenses, external slave flash, and underwater case
  • Uses four AA batteries
  • Uses SD/SDHC/MMC memory cards

For Developers[]

Firmware dumps[]


Download location for firmware dumps:
P&S firmware dumps mirror

See also[]