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AT89S51-24PI

AT89S51-24PI
型号:AT89S51-24PI
品牌:ATMEL ATMEL
批号:13+RoHs
封装:DIP
原价:6
数量:35000
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详细描述

 AT89S51-24PI - 8-bit Microcontroller with 4K Bytes In-System Programmable Flash

 
 
Features
 Compatible with MCS-51® 
Products
 4K Bytes of In-System Programmable (ISP) Flash Memory
 Endurance: 1000 Write/Erase Cycles
 4.0V to 5.5V Operating Range
 Fully Static Operation: 0 Hz to 33 MHz
 Three-level Program Memory Lock
 128 x 8-bit Internal RAM
 32 Programmable I/O Lines
 Two 16-bit Timer/Counters
 Six 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)
 
 
Description
The AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller with 4K
bytes of in-system programmable Flash memory. 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 Flash allows the program
memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with in-system programmable Flash on a
monolithic chip, the Atmel AT89S51 is a powerful microcontroller which provides a
highly-flexible and cost-effective solution to many embedded control applications.
The AT89S51 provides the following standard features: 4K bytes of Flash, 128 bytes of
RAM, 32 I/O lines, Watchdog timer, two data pointers, two 16-bit timer/counters, a fivevector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and
clock circuitry. In addition, the AT89S51 is designed with static logic for operation
down to zero frequency and supports two software selectable power saving modes.
The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port, and
interrupt system to continue functioning. The Power-down mode saves the RAM contents but freezes the oscillator, disabling all other chip functions until the next external
interrupt or hardware reset
 
 
 
 
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