ATMEGA32A-AU SMD IC TQFP-44(10×10) Microcontroller

The ATMEGA32A is a low power, CMOS 8-bit microcontrollers based on the AVR® enhanced RISC architecture. The ATMEGA32A is a 40/44-pins device with 32 KB Flash, 2 KB SRAM and 1 KB EEPROM. By executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption versus processing speed.

Features:-

• High-performance, Low-power Atmel AVR 8-bit Microcontroller
• Advanced RISC Architecture

– 131 powerful instructions – most single clock cycle execution

– 32 × 8 General Purpose Working Registers + Peripheral Control Registers

– Fully Static Operation

– Up to 16MIPS Throughput at 16MHz

– On-chip 2-cycle Multiplier

• High Endurance Non-volatile Memory segments

– 32K bytes of in-system self-programmable flash program memory

– 1024Bytes EEPROM

– 2Kbytes Internal SRAM

– Write/erase cycles: 10,000 flash/100,000 EEPROM

– Data retention: 20 years at 85°C/100 years at 25°C(1)

– Optional Boot Code Section with Independent Lock Bits

• In-System Programming by On-chip Boot Program

• True Read-While-Write Operation

–  Programming Lock for Software Security

• JTAG (IEEE std. 1149.1 Compliant) Interface

– Boundary-scan Capabilities According to the JTAG Standard

– Extensive On-chip Debug Support

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

• 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

• 8 Single-ended Channels
• 7 Differential Channels in TQFP Package Only
• 2 Differential Channels with Programmable Gain at 1x, 10x, or 200x

– Programmable serial USART

– Master/Slave SPI Serial Interface

– Programmable Watchdog Timer with On-chip Oscillator

– On-chip Analog Comparator

– Byte Oriented 2-wire Serial Interface

• 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, 44-lead TQFP, and 44-pad QFN/MLF

• Operating voltage

– 2.7V – 5.5V

• Speed Grades

– 0 – 16MHz

• Power Consumption at 1MHz, 3V, 25°C

̶  Active: 0.6mA

̶  Idle Mode: 0.2mA

– Power-down Mode: < 1µA

Product Attributes

ATMEGA32A-AU Datasheet