MICROCHIPATTINY3226-SUAVR CPU, AVR Microcontroller, 20MHz, 32 kB Flash, 20-Pin SOIC

The Microchip ATTINY3226-SU microcontroller of the tinyAVR® 2 family use the AVR® CPU with hardware multiplier, running at 20 MHz, with 32 KB Flash, 3 KB of SRAM and 256B of EEPROM available in a 20-pin package. The family uses the latest technologies from Microchip with a flexible and low-power architecture including an event system, advanced digital peripherals and accurate analog features such as a 12-bit differential ADC with Programmable Gain Amplifier (PGA).

High-performance low-power AVR® CPU

Single-cycle I/O access

Two-level interrupt controller with vectored interrupts

Two-cycle hardware multiplier

Supply voltage ranges between 1.8V to 5.5V

32B of user row in non volatile memory that can keep data during chip-erase and be programmed while the device is locked

Write/erase endurance

Flash 10, 000 cycles

EEPROM 100, 000 cycles

Data retention: 40 years at 55°C

Power-on Reset (POR)

Brown-out Detection (BOD)

32.768 kHz Ultra-Low Power (ULP) internal oscillator

32.768 kHz external crystal oscillator

Single-pin Unified Program and Debug Interface (UPDI)

Three sleep modes

Idle with all peripherals running and immediate wake-up time

Standby with configurable operation of selected peripherals

Power-Down with full data retention

Host/Client Serial Peripheral Interface (SPI)

Host/Client Two-Wire Interface (TWI) with dual address match

Automated Cyclic Redundancy Check (CRC) flash memory scan

Watchdog Timer (WDT) with Window Mode, with a separate on-chip oscillator

-40°C to 85°C (industrial temperature)

-40°C to 125°C (extended temperature)