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AT89C51RC-24AU IC MCU 8BIT 32KB FLASH 44TQFP

Short Description:

Mfr.Part: AT89C51RC-24AU

Manufacturer: Microchip Technology
Package: 44-TQFP

Description: 8051 series Microcontroller IC 8-Bit 24MHz 32KB (32K x 8) FLASH 44-TQFP (10×10)

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Description

The AT89C51RC is a low-power, high-performance CMOS 8-bit microcontroller with 32K bytes of Flash programmable read-only memory and 512 bytes of RAM. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 and 80C52 instruction set and pinout. The on-chip Flash allows the program memory to be user programmed by a conventional nonvolatile memory programmer. A total of 512 bytes of internal RAM are available in the AT89C51RC. The 256-byte expanded internal RAM is accessed via MOVX instructions after clearing bit 1 in the SFR located at address 8EH. The other 256-byte RAM segment is accessed the same way as the Atmel AT89-series and other 8052-compatible products. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C51RC is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89C51RC provides the following standard features: 32K bytes of Flash, 512 bytes of RAM, 32 I/O lines, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT89C51RC 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.

 

Specifications:
 Attribute Value
Category Integrated Circuits (ICs)
Embedded - Microcontrollers
Mfr Microchip Technology
Series 89C
Package Tray
Part Status Active
Core Processor 8051
Core Size 8-Bit
Speed 24MHz
Connectivity SPI, UART/USART
Peripherals WDT
Number of I/O 32
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 4V ~ 5.5V
Data Converters -
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 44-TQFP
Supplier Device Package 44-TQFP (10x10)
Base Product Number AT89C51

 

 

AT89C51 2

 

AT89C51 1


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