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.)

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