Featuresã Compatible with MCS-51™ Productsã 4K Bytes of Factory Programmable QuickFlash™ Memoryã Fully Static Operation: 0 Hz to 20 MHzã Three-Level Program Memory Lockã 128 x 8-Bit Internal RAMã 32 Programmable I/O Linesã Two 16-Bit Timer/Countersã Six Interrupt Sourcesã Programmable Serial Channelã Low Power Idle and Power Down ModesDescriptionThe AT80F51 is a low-power, high-performance CMOS 8-bit microcomputer with 4Kbytes of QuickFlash Memory. The device is manufactured using Atmel’s high densitynonvolatile memory technology and is compatible with the industry standard MCS-51™ instruction set and pinout. The on-chip QuickFlash allows custom codes to bequickly programmed in the factory. By combining a versatile 8-bit CPU with Quick-Flash on a monolithic chip, the Atmel AT80F51 is a powerful microcomputer whichprovides a highly flexible and cost effective solution to many embedded control appli-cations.TQFP231INDEXCORNER34P1.0VCCP1.1P1.2P1.4P1.3NC424340416544432262528272418192021...