ATMEGA323_14 Datasheet, PDF (1/247 Pages) ATMEL Corporation – Non-volatile Program and Data Memories

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