ATtiny212/412 AVR Microcontroller with Core Independent Peripherals and picoPower technology Introduction The ATtiny212/412 microcontrollers are using the high-performance low-power AVR RISC architecture, and is capable of running at up to 20MHz, with up to 2/4KB Flash, 128/256bytes of SRAM and 64/128bytes of EEPROM in a 8- pin package. The series uses the latest technologies with a flexible and low power architecture including Event System and SleepWalking, accurate analog features and advanced peripherals. Features CPU AVR 8-bit CPU Running at up to 20MHz Single Cycle I/O Access Two-level Interrupt Controller Two-cycle Hardware Multiplier Memories 2/4KB In-system self-programmable Flash Memory 64/128B EEPROM 128/256B SRAM System Power-on Reset (POR) Brown-out Detection (BOD) Clock Options: 16/20MHz Low Power Internal RC Oscillator 32.768kHz Ultra Low Power (ULP) Internal RC Oscillator 32.768kHz External Crystal Oscillator External Clock Input Single Pin Unified Program Debug Interface (UPDI) Three Sleep Modes: Idle with All Peripherals Running and Mode for Immediate Wake Up Time Standby Configurable Operation of Selected Peripherals SleepWalking Peripherals Power Down with Wake-up Functionality Peripherals Datasheet Preliminary DS40001911A-page 1 2017 Microchip Technology Inc. ATtiny212/412 6-channel Event System One 16-bit Timer/Counter Type A with Dedicated Period Register, Three Compare Channels (TCA) One 16-bit Timer/Counter type B with Input Capture (TCB) One 12-bit Timer/Counter type D Optimized for Control Applications (TCD) One 16-bit Real Time Counter (RTC) Running from External Crystal or Internal RC Oscillator One USART with Fractional Baud Rate Generator, Auto-baud, and Start-of-frame Detection Master/Slave Serial Peripheral Interface (SPI) Master/Slave TWI with Dual Address Match Standard Mode (Sm, 100kHz) Fast Mode (Fm, 400kHz) Fast Mode Plus (Fm+, 1MHz) Configurable Custom Logic (CCL) with Two Programmable Lookup Tables (LUT) Analog Comparator (AC) with Low Propagation Delay 10-bit 115ksps Analog to Digital Converter (ADC) 8-bit Digital to Analog Converter (DAC) Five Selectable Internal Voltage References: 0.55V, 1.1V, 1.5V, 2.5V and 4.3V Automated CRC Memory Scan Watchdog Timer (WDT) with Window Mode, with Separate On-chip Oscillator External Interrupt on All General Purpose Pins I/O and Packages: 6 Programmable I/O Lines 8-pin SOIC150 Temperature Ranges: -40C to 105C -40C to 125C Temperature Graded Device Options Available Speed Grades: 0-5MHz 1.8V 5.5V 0-10MHz 2.7V 5.5V 0-20MHz 4.5V 5.5V DS40001911A-page 2 Datasheet Preliminary 2017 Microchip Technology Inc.