Product Summary

The AT89S53-24PI is a low-power, high-performance CMOS 8-bit microcomputer with 12K bytes of downloadable Flash programmable and erasable read only memory. The AT89S53-24PI is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. By combining a versatile 8-bit CPU with downloadable Flash on a monolithic chip, the Atmel AT89S53-24PI is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications.

Parametrics

AT89S53-24PI 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

AT89S53-24PI features: (1)Compatible with MCS-51 Products; (2)12K Bytes of In-System Reprogrammable Downloadable Flash Memory: SPI Serial Interface for Program Downloading, Endurance: 1,000 Write/Erase Cycles; (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

AT89S53-24PI block diagram

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