AT89C51ID2 microcontroller equivalent, 8-bit flash microcontroller.
* 80C52 Compatible
– 8051 Instruction Compatible
– Six 8-bit I/O Ports (64 pins or 68 Pins Versions)
– Four 8-bit I/O .
that need pulse width modulation, high speed I/O and counting capabilities such as alarms, motor control, corded phones,.
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