Features • Compatible with MCS®-51 Products • 20K Bytes of Reprogrammable Flash Memory • Endurance: 10,000 Write/Erase Cycles • 4V to 5.
5V Operating Range • Fully Static Operation: 0 Hz to 33 MHz • Three-level Program Memory Lock • 256 x 8-bit Internal RAM • 32 Programmable I/O Lines • Three 16-bit Timer/Counters • Eight Interrupt Sources • Programmable Serial Channel • Low-power Idle and Power-down Modes • Interrupt Recovery from Power-down Mode • Hardware Watchdog Timer • Dual Data Pointer • Power-off Flag • Green (Pb/Halide-free) Packaging Option 1.
Description The AT89C55WD is a low-power, high-performance CMOS 8-bit microcontroller with 20K bytes of Flash programmable read only memory a...

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