PJRC.COM Offline Archive, February 07, 2004
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8051 Manufacturer's Datasheets

Manufacturer Part Number CODE Int RAM Notes:
Atmel - Any - - - Architecture Desc
Philips - Any - - - Architecture Desc
Atmel - Any - - - Memory Organization
Philips - Any - - - Instruction Set + Other Useful Info
Atmel - Any - - - Instruction Set
Atmel - Any - - - Hardware Desc
Philips - Any - - - Hardware Desc
Analog Devices ADuC816 8k 256 16 Bit A/D, 12 Bit D/A, Flash ROM, EEPROM, I2C
Atmel 89C52 8k 256 Flash ROM
Atmel 89C2051 2k 128 Flash ROM, 20 pins
Dallas 80C320 Ext Req'd 256 High Speed, 2 UART
Dallas 87C520 16k 256 + 1k High Speed, 2 UART
Dallas 87C550 16k 256 + 1k HS, 2 UART, 10-bit A/D, PWM, More Pins
Philips 87C52 8k 256 OTP EPROM
Philips 87C552 8k 256 10-bit A/D, I2C, PWM
Cygnal C8051F000 32k 256 12-bit A/D + analog functions, high speed CPU
These chips are only a small sampling of the offerings from these manufacturers. Please refer to each manufacturer's web site for a complete list of their chips. Chips are also available from Infineon C500, though I haven't taken the time to track down their URLs and add some links here.

8051 Manufacturer's Datasheets, Paul Stoffregen
http://www.pjrc.com/tech/8051/datasheets.html
Last updated: November 28, 2003
Comments: <paul@pjrc.com>