AT89S51-24PU

ATMEL  AT89S51-24PU  微控制器, 8位, 低电压 高性能 CMOS, AT89S51, 24 MHz, 4 KB, 128 Byte, 40 引脚, DIP

The is a low-power, high-performance CMOS 8-bit Microcontroller, uses Atmel"s high-density non-volatile memory technology and is compatible with the industry-standard 80C51 instruction set and pin-out. 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 AT89S51-24PU is a powerful microcontroller which provides a highly-flexible. It provides the following standard features 32 I/O lines, Watchdog timer, two data pointers, two 16-bit timer/counters, a five-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator and clock circuitry. In addition, the microcontroller is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes.

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Compatible with MCS®-51 Products

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4kb of In-system Programmable ISP Flash Memory, 10,000 Write/Erase Cycles Endurance

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0Hz to 33MHz Fully Static Operation

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Three-level Program Memory Lock

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128 x 8-bit Internal RAM

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32 Programmable I/O Lines

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Two 16-bit Timer/Counters

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Six Interrupt Sources

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Full Duplex UART Serial Channel

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Low-power Idle and Power-down Modes

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Interrupt Recovery from Power-down Mode

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Watchdog Timer

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Dual Data Pointer

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Power-off Flag

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Fast Programming Time

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Flexible ISP Programming Byte and Page Mode