Product Summary

The AT89S8252-24PI is a low-power, high-performance CMOS 8-bit microcontroller with 8Kbytes of downloadable Flash programmable and erasable read-only memory and 2Kbytes of EEPROM. The device is manufactured using high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instructionset and pinout. The on-chip downloadable Flash allows the program memory to bereprogrammed In-System through an SPI serial interface or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with downloadableFlash on a monolithic chip, the Atmel AT89S8252-24PI is a powerful microcontroller, which provides a highly-flexible and cost-effective solution to many embedded control applications.

Parametrics

AT89S8252-24PI absolute maximum ratings: (1)Operating Temperature: -55℃ to +125℃; (2)Storage Temperature: -65℃ to +150℃; (3)Voltage on Any Pin with Respect to Ground: -1.0V to +7.0V; (4)Maximum Operating Voltage: 6.6V; (5)DC Output Current: 15.0 mA.

Features

AT89S8252-24PI features: (1)8K Bytes of In-System Reprogrammable Downloadable Flash Memory; (2)2K Bytes EEPROM; (3)4V to 6V Operating Range; (4)Fully Static Operation: 0 Hz to 24 MHz; (5)Three-level Program Memory Lock; (6)256 x 8-bit Internal RAM; (7)32 Programmable I/O Lines; (8)Three 16-bit Timer/Counters; (9)Nine Interrupt Sources; (10)Programmable UART Serial Channel; (11)SPI Serial Interface; (12)Low-power Idle and Power-down Modes; (13)Interrupt Recovery from Power-down; (14)Programmable Watchdog Timer; (15)Dual Data Pointer; (16)Power-off Flag.

Diagrams

AT89S8252-24PI Block Diagram

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