AT8958252

Features Compatible with MCS-51™ Products 8K Bytes of In-System Reprogrammable Downloadable Flash Memory – SPI Serial Interface for Program Downloading – Endurance: 1,000 Write/Erase Cycles 2K Bytes EEPROM – Endurance: 100,000 Write/Erase Cycles 4V to 6V Operating Range Fully Static Operation: 0 Hz to 24 MHz Three-level Program Memory Lock 256 x 8-bit Internal RAM 32 Programmable I/O Lines Three 16-bit Timer/Counters Nine Interrupt Sources Programmable UART Serial Channel SPI Serial Interface Low-power Idle and Power-down Modes Interrupt Recovery From Power-down Programmable Watchdog Timer Dual Data Pointer Power-off Flag 8-bit Microcontroller with 8K Bytes Flash AT89S8252 Description The AT89S8252 is a low-power, high-performance CMOS 8-bit microcomputer with 8K bytes of downloadable Flash programmable and erasable read only memory and 2K bytes of EEPROM. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. The on-chip downloadable Flash allows the program memory to be reprogrammed in-system through an SPI serial interface or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with downloadable Flash on a monolithic chip, the Atmel AT89S8252 is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89S8252 provides the follow...