AT89S52-24AU Datasheet PDF - ATMEL

The AT89S52-24AU is a 8-bit low-power high-performance CMOS Microcontroller with 8kB of in-system programmable Flash memory. The device is manufactured using Atmel"s high-density non-volatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional non-volatile memory programmer. By combining a versatile 8-bit CPU with in-system programmable flash on a monolithic chip, the Atmel AT89S52 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89S52 provides the following standard features, 8kB of flash, 256 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator and clock circuitry.

● Compatible with MCS®-51 products

● 8kB In-System Programmable (ISP) 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

● Full duplex UART serial channel

● Low-power idle and power-down modes

● Interrupt recovery from power-down mode

● Watchdog timer

● Dual data pointer

● Power-off flag

● Fast programming time

● Flexible ISP programming (byte and page mode)