89C51RE2 at89c51re2 equivalent, at89c51re2.
* 80C52 Compatible
– 8051 Instruction Compatible
– Four 8-bit I/O Ports (44 Pins Version)
– Three 16-bit Timer/Counter.
that need pulse width modulation, high speed I/O and counting capabilities such as alarms, motor control, corded phones,.
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