The AT89C55WD-24PU is a 8-bit low-power High-performance CMOS Microcontroller with 20kB of flash programmable read only memory and 256 bytes of RAM. The device is manufactured using high-density non-volatile memory technology and is compatible with the industry standard 80C51 and 80C52 instruction set and pinout. The on-chip Flash allows the program memory to be user programmed by a conventional non-volatile memory programmer. By combining a versatile 8-bit CPU with flash on a monolithic chip, the AT89C55WD is a powerful microcomputer which provides a highly flexible and cost effective solution to many embedded control applications. The AT89C55WD provides the following standard features 20kB of Flash, 256 bytes of RAM, 32 I/O lines, three 16-bit timer/counters, a six-vector, two-level interrupt architecture, a full-duplex serial port, on-chip oscillator and clock circuitry.
 Features:
- Compatible with MCS®-51 products
- 20kB reprogrammable flash memory
- 10,000 write/erase cycles endurance
- Three-level program memory lock
- 256 x 8-bit Internal RAM
- 32 programmable I/O lines
- Three 16-bit timers/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
- Supplier’s original packaging: Tube
Package Includes:
1 x AT89C55WD-24PU-MICROCHIP-8 Bit MCU, 8051 Family AT89C55 Series Microcontrollers, 8051, 24 MHz, 20 KB, 40 Pins, DIP
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