Analog Devices

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK ADuC812 4 1 3 Yes 256 EP=8k SR=640 Yes Yes Yes -

Atmel

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK AT89C1051 2 - 1 - 64 F=1k - - - - - AT89C2051 2 1 2 - 128 F=2k - - - - - AT89C51 4 1 2 - 128 F=4k - - - - - AT89C52 4 1 3 - 256 F=8k - - - - - AT89LV51 4 1 2 - 128 F=4k - - - - - AT89LV52 4 1 3 - 256 F=8k - - - - - AT89LV55L 4 1 3 - 256 F=20k - - - - -

Cygnal Integrated Products

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK C8051F000/010 4 1 4 Yes 256 F=32k - Yes Yes Yes - C8051F001/011 2 1 4 Yes 256 F=32k - Yes Yes Yes - C8051F002/012 1 1 4 Yes 256 F=32k - Yes Yes Yes - C8051F005/015 1 1 4 Yes 256 F=32k 2048 Yes Yes Yes - C8051F006/016 1 1 4 Yes 256 F=32k 2048 Yes Yes Yes - C8051F007/017 1 1 4 Yes 256 F=32k 2048 Yes Yes Yes - C8051F206/226 4 1 3 - 256 F=8k 1024 Yes - Yes - C8051F220 4 1 3 - 256 F=8k - Yes - Yes - C8051F221 3 1 3 - 256 F=8k - Yes - Yes - C8051F230 4 1 3 - 256 F=8k - - - Yes - C8051F231 3 1 3 - 256 F=8k - - - Yes - C8051F236 4 1 3 - 256 F=8k 1024 - - Yes -

Dallas Semiconductor

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK 80C310 4 1 3 - 256 - - - - - - 80C320 4 2 3 - 256 - - - - Yes - 80C323 4 2 3 - 256 - - - - Yes - 87C520 4 2 3 - 256 EP=16k - - - Yes - 87C530 4 2 3 - 256 EP=16k - - - Yes Yes 87C550 7 2 3 - 256 EP=8k SRAM=1k Yes - Yes -

Intel

• 83C51KB
• 87C51
• 87C54
• 8xC151
• 8xC152
• 8xC251
• 8xC52

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK 80C31 4 1 2 - 128 - - - - - - 80C51 4 1 2 - 128 R=4k - - - - - 80C32 4 1 3 - 256 - - - - - - 80C52 4 1 3 - 256 R=8k - - - - -

Okidata

• MSM80C48/49/50
• MSM80C154S/83C154S
• MSM85C154HVS

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK TE502 12 1 3 - 256 - SR=8Kx8 - - Yes - TE505 12 1 3 - 256 - SR=16Kx8 - - Yes - TE512 15 1 3 - 256 - SR=32Kx8 - - Yes - TE520 31 1 3 - 256 - SR=40Kx8 - - Yes - TE532 39 1 3 - 256 - SR=64Kx8 - - Yes -

TDK Semiconductor

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK 73M2910 4 1 3 - 256 - - - - - -

Philips

• 8xC51/80C
• 8XC32/51/52/54/58/FX/RX+
• 80/83/87C451
• 80/83/87C550
• 83C562
• 80/83/87C575
• 83/87C576
• 83/87C750
• 83/87C751
• 83/87C752
• 87C524
• 87C528
• 87C552
• 87C652
• 87C654
• 83/87C508
• P80/83C56
• 89C535/53
• P83C434/8
• TELX FAMILY
• 8XC592
• 8XCE598
• 83/87C748
• 83/87C749
• 83C524
• 80/83C528
• 80/83C552
• OM5202
• OM5232
• OM5234/5284
• OM5238
• 80/83/89CE558
• P80/83CE559
• 80/83C851
• 83C654
• 80/83C851
• 83CE654
• 83C/055/145/845/87C055
• TPM749
• TPM754
• 80/83/87C453
• 83/87C754

• C501
• C504
• C505
• C509
• C511/C513
• C515
• C517A
• C540/C541

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK COM20051 4 1 3 - 256 - - - - - -

Atmel Wireless and Microcontrollers (previously Temic)

Micro PORTs UARTs TMR I2C IRAM OCPRG OCRAM A/D D/A WD CLK 80C31 4 1 2 - 128 - - - - - - 80C51 4 1 2 - 128 R=4k - - - - - 80C32 4 1 3 - 256 - - - - - - 80C52 4 1 3 - 256 R=8k - - - - - TSC80CL31 4 1 2 - 128 - - - - - - TSC80CL51 4 1 2 - 128 R=4k - - - - - TSC87C51 4 1 2 - 128 EP=4k - - - - - TSC87C52 4 1 3 - 256 EP=8k - - - - - 80C154 4 1 3 - 256 - - - - Yes - 83C154 4 1 3 - 256 R=16k - - - Yes - 83C154D 4 1 3 - 256 R=32k - - - Yes -