ATMEGA323-8AC Ver la hoja de datos (PDF) - Atmel Corporation

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ATMEGA323-8AC

8-bit Microcontroller with 32K Bytes of In-System Programmable Flash

Atmel Corporation 

Features

• High-performance, Low-power AVR® 8-bit Microcontroller

• Advanced RISC Architecture

– 130 Powerful Instructions – Most Single-clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 8 MIPS Throughput at 8 MHz

– On-chip 2-cycle Multiplier

• Non-volatile Program and Data Memories

– 32K Bytes of In-System Self-programmable Flash

Endurance: 1,000 Write/Erase Cycles

– Optional Boot Code Section with Independent Lock Bits

In-System Programming by On-chip Boot Program

– 1K Byte EEPROM

Endurance: 100,000 Write/Erase Cycles

– 2K Bytes Internal SRAM

– Programming Lock for Software Security

• JTAG (IEEE Std. 1149.1 Compliant) Interface

– Extensive On-chip Debug Support

– Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface

– Boundary-Scan Capabilities According to the JTAG Standard

• Peripheral Features

– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode

– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture

Mode

– Real Time Counter with Separate Oscillator

– Four PWM Channels

– 8-channel, 10-bit ADC

– Byte-oriented Two-wire Serial Interface

– Programmable Serial USART

– Master/Slave SPI Serial Interface

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

• Special Microcontroller Features

– Power-on Reset and Programmable Brown-out Detection

– Internal Calibrated RC Oscillator

– External and Internal Interrupt Sources

– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby

and Extended Standby

• I/O and Packages

– 32 Programmable I/O Lines

– 40-pin PDIP and 44-lead TQFP

• Operating Voltages

– 2.7 - 5.5V (ATmega323L)

– 4.0 - 5.5V (ATmega323)

• Speed Grades

– 0 - 4 MHz (ATmega323L)

– 0 - 8 MHz (ATmega323)

8-bit

Microcontroller

with 32K Bytes

of In-System

Programmable

Flash

ATmega323

ATmega323L

Not recommended

for new designs.

Use ATmega32.

1457G–AVR–09/03

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