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Embedded Systems

Atmel's AT89C2051 Microcontroller

By Dhananjay V. Gadre, July 01, 1997

Dhananjay presents a simple programmer for AT89C2051 that is hosted on a 8052-based circuit running a Basic interpreter. He then uses the system to build a 12-bit multichannel ADC to connect to PCs.
Dr. Dobb's Journal July 1997: Atmel's AT89C2051 Microcontroller

Atmel's AT89C2051 Microcontroller

By Dhananjay V. Gadre

Dr. Dobb's Journal July 1997

Table 2: AT89C2051 programming modes. (Note: Internal PEROM address is reset to 000H on the rising edge of RST and advanced by a positive pulse on XTAL1 pin. Chip erase requires a 10 mS pulse. P3.1 is pulled low during programming.)

Copyright © 1997, Dr. Dobb's Journal



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