- ICU = ARMv5 946E (all models?) (Digic ?)
- DIGIC IV = Digging Into 'DIGIC 4' Image Processor (2)
- DIGIC5+ = Canon Digic 5+ (CH4-6501) - Chipworks. co-designed with TI
- MPU = Toshiba TX19A43 (manages I/O). See below
- FPGA. it seems 5d2 and 50d (FPGA config files mention in bootcode)
- 5d2: K218cfg.bin written at 0xF8760000 in Flash. See CHDK forum
- 50d: K261cfg.bin written at 0xF8760000
- AK4646 audio IC (on 550D, 50D, 60D, 5Dm2)
- AK4636 audio IC (500d only)
- AK4950 (650D). See Chipworks
- Texas Instruments TMS320DM36x Digital Media System-on-Chip (DMSoC) Video Processing Front End (VPFE) User's Guide (5dm2)
- Samsung NOR flash : K8P2815UQB-DI4B (on 7D)
- On 600D:
- Audio chip: Oki ML26121A technical description
- Oki becomes Lapis: www.lapis-semi.com
- programming guide for NEC 78K0R/Kx3, which uses Oki ML2612 as audio codec
- Datasheet (including register map): PEDL26121A_V208.pdf
- 32bit microcontroller: Toshiba TMP19A43CDXBG. CD : Rom = 512kbytes, RAM=24kbytes
- See CHDK thread about it. and Wiki page about HV30 hacking. See Tx19a
- 1Gb E-die DDR2 SDRAM: Samsung K4T1G164QE
- multi-function LCD segment driver: Rohm bu97930muv
- PROGRAMMABLE 27-BIT DISPLAY SERIAL INTERFACE TRANSMITTER: Texas Instrument LVDS301
- Real Time Clock (RTC) seems to be related to RICOH R2051 Series ( http://www.ricoh.com/LSI/product_rtc/2wire/r2051k/r2051k-e.pdf ). At least the commands/registers are similar.
- Audio chip: Oki ML26121A technical description
- on 5D3
- RTC is a 3-wire serial Ricoh R2262K
- on 7D
- Flash memory: Samsung K8P2815UQB / (unknown)
- 3 x 1Gb E-die DDR2 SDRAM: Samsung K4T1G164QE
- on 50D (See photos)
- Toshiba TMP19A43FDXBG. See 600d. FD : Rom/Flash = 512kbytes, RAM=24kbytes.
- Flash memory: Samsung K8P3215ubq
- DDR2 SDRAM: Elpida E1116AESE
- FPGA Xilinx : 3s250e
- LCD Driver: Sanyo LC75835
- is there a MIPS JTag 20 pins interface bottom to the TMP19A microcontroller (which is MIPS32) ? like on the HV30
- Low backup voltage serial interface real time clock Epson Rx-4571 NB http://www.datasheetpro.com/837729_download_R4571_datasheet.html
- 650D / T4i : See Chipworks
- WFT4:
See also: Circuit boards photos