embedded processors controllers

ATmega32A

Every spec below is cited to the manufacturer datasheet. Compare the closest alternatives, then ask the assistant what it means for your design.

00 — Overview

What the ATmega32A does

The ATmega32A is a high-performance, low-power 8-bit microcontroller featuring an advanced RISC architecture with 32 general-purpose registers. It offers 32Kbytes of In-System Programmable Flash, 1024Bytes of EEPROM, and 2Kbytes of internal SRAM. Operating at speeds up to 16MHz with a supply voltage of 2.7V to 5.5V, the device delivers up to 16MIPS throughput. It includes an 8-channel 10-bit ADC, four PWM channels, and multiple serial interfaces including USART and SPI. Available in 40-pin PDIP, 44-lead TQFP, and 44-pad QFN packages, this microcontroller supports complex applications requiring efficient power consumption and high processing speed, such as industrial control systems and embedded devices.

Next step
Start building with ATmega32A → Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.
01 — Key specifications

Datasheet parameters

Datasheet parameters for ATmega32A
ParameterMinTypMaxConditionsSource
supply voltage range 2.7 V — 5.5 V Microchip datasheet, p. 1
operating temperature -40 °C — 85 °C Microchip datasheet, p. 12 — 9. Ordering Information
clock frequency — 16 MHz — Microchip datasheet, p. 1
cpu speed — 16 MHz — Microchip datasheet, p. 1
program memory size — 32 KB — Microchip datasheet, p. 1
ram size — 2 KB — Microchip datasheet, p. 1
io count — 32 — Microchip datasheet, p. 1
adc resolution — 10 bit — Microchip datasheet, p. 1
core size — 8 bit — Microchip datasheet, p. 1
02 — Alternatives

Closest matches to ATmega32A

STM8L052C6 2.0× lower clock frequency, 1.5× lower supply voltage range, 1.2× higher adc resolution
STM8S105C4 2.0× lower clock frequency, 2.0× lower program memory size, similar supply voltage range
ATmega128A 3.9× higher program memory size, 2.0× higher ram size, similar adc resolution
ATmega328P 1.9× higher operating temperature, similar program memory size, similar ram size
ATmega328PB 1.2× higher cpu speed, 1.1× lower supply voltage range, similar adc resolution
CC1110F16RHHR 2.0× lower program memory size, 1.6× higher clock frequency, 1.6× higher cpu speed
CH552G 2.0× lower program memory size, 1.6× lower ram size, 1.5× higher clock frequency
EFM8BB2F16G 3.1× higher cpu speed, 2.0× lower program memory size, 1.6× higher clock frequency
03 — FAQ

Frequently asked questions

What is the ADC resolution of the ATmega32A?

The ADC resolution is 10 bit.

What is the maximum clock frequency for the ATmega32A?

The maximum clock frequency is 16 MHz.

What is the core size of the ATmega32A?

The core size is 8 bit.

What is the maximum CPU speed of the ATmega32A?

The maximum CPU speed is 16 MHz.

How many I/O pins does the ATmega32A have?

The ATmega32A has 32 io count.

What is the maximum operating temperature for the ATmega32A?

The maximum operating temperature is 85 °C.

What is the program memory size of the ATmega32A?

The program memory size is 32 KB.

What is the RAM size of the ATmega32A?

The RAM size is 2 KB.

What is the maximum supply voltage for the ATmega32A?

The maximum supply voltage is 5.5 V.

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