AT89C51IC2-RLTIM ATMEL [ATMEL Corporation], AT89C51IC2-RLTIM Datasheet

AT89C51IC2-RLTIM

Manufacturer Part Number

AT89C51IC2-RLTIM

Description

8-bit Flash Microcontroller with 2-wire Interface

Manufacturer

ATMEL [ATMEL Corporation]

Datasheet

1.AT89C51IC2-RLTIM.pdf (147 pages)

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Features

•

80C52 Compatible

Variable Length MOVX for Slow RAM/Peripherals

ISP (In-System-Programming) Using Standard V

Boot ROM Contains Low Level Flash Programming Routines and a Default Serial

Loader

High-speed Architecture

On-chip 1024 Bytes Expanded RAM (XRAM)

Keyboard Interrupt Interface on Port P1

400-Kbits/s Multimaster 2-wire Interface

SPI Interface (Master/Slave Mode)

Sub-clock 32 kHz Crystal Oscillator

8-bit clock Prescaler

Improved X2 Mode With Independant Selection for CPU and Each Peripheral

Programmable Counter Array 5 Channels with:

Asynchronous Port Reset

Full-duplex Enhanced UART

Dedicated Baud Rate Generator for UART

Low EMI (Inhibit ALE)

Hardware Watchdog Timer (One-time enabled with Reset-Out)

Power Control Modes:

Power Supply:

Temperature Ranges: Commercial (0 to +70°C) and Industrial (-40°C to +85°C)

Packages: PLC44, VQFP44

– 8051 Pin and Instruction Compatible

– Four 8-bit I/O ports + 2 I/O 2-wire Interface (TWI) Pins

– Three 16-bit Timer/Counters

– 256 bytes Scratch Pad RAM

– 10 Interrupt Sources with 4 Priority Levels

– Dual Data Pointer

– In Standard Mode:

– In X2 mode (6 Clocks/machine cycle)

– 32K Bytes On-chip Flash Program/Data Memory

– Byte and Page (128 Bytes) Erase and Write

– 100K Write Cycles

– Software Selectable Size (0, 256, 512, 768, 1024 Bytes)

– 256 Bytes Selected at Reset for TS87C51RB2/RC2 Compatibility

– High Speed Output

– Compare/Capture

– Pulse Width Modulator

– Watchdog Timer Capabilities

– Idle Mode

– Power-down Mode

– Power-Off Flag

– 2.7 to 3.6 (3V Version)

– 2.7 to 5.5V (5V Version)

40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)

60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)

20 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)

30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)

Power Supply

8-bit Flash

Microcontroller

with 2-wire

Interface

AT89C51IC2

Rev. 4301C–8051–06/06

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