AT89C51-20QC PDF资料和参数原理简介

AT89C51-20QC类似电子元器件：

AT89C1051-12PA 8-bit microcontroller with 1Kbyte flash, 2.7V to 6.0V
AT89C1051-12PC 8-bit microcontroller with 1Kbyte flash, 2.7V to 6.0V
AT89C1051-12PI 8-bit microcontroller with 1Kbyte flash, 2.7V to 6.0V
AT89C1051-12SA 8-bit microcontroller with 1Kbyte flash, 2.7V to 6.0V
AT89C1051-12SC 8-bit microcontroller with 1Kbyte flash, 2.7V to 6.0V
AT89C1051-12SI 8-bit microcontroller with 1Kbyte flash, 2.7V to 6.0V
AT89C1051-24PC 8-bit microcontroller with 1Kbyte flash, 4.0V to 6.0V
AT89C1051-24PI 8-bit microcontroller with 1Kbyte flash, 4.0V to 6.0V
AT89C1051-24SC 8-bit microcontroller with 1Kbyte flash, 4.0V to 6.0V
AT89C1051-24SI 8-bit microcontroller with 1Kbyte flash, 4.0V to 6.0V
AT89C1051U-12PA 8-bit microcontroller with 1K bytes flash, 2.7V to 6.0V power supply
AT89C1051U-12PC 8-bit microcontroller with 1K bytes flash, 2.7V to 6.0V power supply
AT89C1051U-12PI 8-bit microcontroller with 1K bytes flash, 2.7V to 6.0V power supply
AT89C1051U-12SA 8-bit microcontroller with 1K bytes flash, 2.7V to 6.0V power supply