ATTINY3226-MFR

The ATtiny3224/3226/3227 microcontrollers of the tinyAVR® 2 family are using the AVR® CPU with hardware multiplier, running at up to 20 MHz, with 32 KB Flash, 3 KB of SRAM, and 256B of EEPROM available in a 14-, 20-, and 24-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).

Key features

• High-Performance Low-Power AVR® CPU
• Running at up to 20 MHz
• Single-cycle I/O access
• Two-level interrupt controller with vectored interrupts
• Two-cycle hardware multiplier
• Supply voltage range: 1.8V to 5.5V
• 32 KB In-System self-programmable Flash memory
• 3 KB SRAM
• 256B EEPROM
• 32B of user row in nonvolatile 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
• 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
• One 16-bit Timer/Counter type A (TCA) with a dedicated period register and three PWM channels
• Two 16-bit Timer/Counters type B (TCB) with input capture and simple PWM functionality
• One 16-bit Real-Time Counter (RTC) running from external 32.768 kHz crystal or internal 32.768 kHz ULP oscillator
• Two Universal Synchronous Asynchronous Receiver Transmitters (USART) with fractional baud rate generator, auto-baud, and start-of-frame detection
• Host/Client Serial Peripheral Interface (SPI)
• Event System for CPU independent and predictable inter-peripheral signaling
• Configurable Custom Logic (CCL) with four programmable Look-Up Tables (LUT)
• One Analog Comparator (AC) with scalable reference input
• One 12-bit differential 375 ksps Analog-to-Digital Converter (ADC) with Programmable Gain Amplifier (PGA) and up to 15 input channels
• Multiple internal voltage references: 1.024V, 2.048V, 2.500V, 4.096V, VDD
• Automated Cyclic Redundancy Check (CRC) flash memory scan
• Watchdog Timer (WDT) with Window Mode, with a separate on-chip oscillator
• External interrupt on all general purpose pins
• Up to 22 programmable I/O pins
• 14-pin: SOIC, TSSOP
• 20-pin: SOIC, SSOP, VQFN 3x3 mm
• 24-pin: VQFN 4x4 mm
• Temperature Ranges: -40°C to 85°C (industrial), -40°C to 125°C (extended)
• Speed Grades (-40°C to 85°C): 0-5 MHz @ 1.8V - 5.5V, 10 MHz @ 2.7V - 5.5V, 20 MHz @ 4.5V - 5.5V
• Speed Grades (-40°C to 125°C): 0-8 MHz @ 2.7V - 5.5V, 0-16 MHz @ 4.5V - 5.5V
• VAO variants available: Designed, manufactured, tested, and qualified in accordance with AEC-Q100 requirements for automotive applications.