at89c51ac3-s3sim ATMEL Corporation, at89c51ac3-s3sim Datasheet

at89c51ac3-s3sim

Manufacturer Part Number

at89c51ac3-s3sim

Description

At89c51ac3 Enhanced 8-bit Microcontroller With 64kb Flash Memory

Manufacturer

ATMEL Corporation

Datasheet

1.AT89C51AC3-S3SIM.pdf (140 pages)

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Features

•

Description

The AT89C51AC3 is a high performance Flash version of the 80C51 single chip 8-bit

microcontrollers.

In X2 mode a maximum external clock rate of 20 MHz reaches a 300 ns cycle time.

Besides the AT89C51AC3 provides 64K Bytes of Flash memory including In-System

Programming (ISP) and IAP, 2K Bytes Boot Flash Memory, 2K Bytes EEPROM and

2048 byte ERAM.

Primary attention is paid to the reduction of the electro-magnetic emission of

AT89C51AC3.

80C51 Core Architecture

256 Bytes of On-chip RAM

2048 Bytes of On-chip ERAM

64K Bytes of On-chip Flash Memory

Boot Code Section with Independent Lock Bits

2K Bytes of On-chip Flash for Bootloader

In-System Programming by On-Chip UART Boot Program and IAP Capability

2K Bytes of On-chip EEPROM

Read/Write Cycle: 100K

Integrated Power Monitor (POR: PFD) To Supervise Internal Power Supply

14-sources 4-level Interrupts

Three 16-bit Timers/Counters

Full Duplex UART Compatible 80C51

High-speed Architecture

Five Ports: 32 + 4 Digital I/O Lines

Five-channel 16-bit PCA with

Double Data Pointer

21-bit WatchDog Timer (7 Programmable Bits)

A 10-bit Resolution Analog to Digital Converter (ADC) with 8 Multiplexed Inputs

SPI Interface (PLCC52 and VPFP64 packages only)

On-chip Emulation Logic (Enhanced Hook System)

Power Saving Modes

Power Supply: 3 volts to 5.5 volts

Temperature Range: Industrial (-40° to +85°C)

Packages: VQFP44, PLCC44, VQFP64, PLCC52

– Data Retention: 10 Years at 85° C

– Read/Write Cycle: 100K

– In Standard Mode:

– In X2 mode (6 Clocks/machine cycle)

– PWM (8-bit)

– High-speed Output

– Timer and Edge Capture

– Idle Mode

– Power-down Mode

40 MHz (Vcc 3V 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 3V to 5.5V, both Internal and external code execution)

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

Enhanced 8-bit

Microcontroller

with 64KB Flash

Memory

AT89C51AC3

Rev. 4383D–8051–02/08

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