ATTINY20-SSU Microchip

ATtiny20 8-bit AVR Microcontroller with 2K Bytes In-System Programmable Flash DATASHEET Features z High performance, low power 8-bit AVR microcontroller z Advanced RISC architecture z 112 powerful instructions most single clock cycle execution z 16 x 8 general purpose working registers z Fully static operation z Up to 12 MIPS throughput at 12MHz z Non-volatile program and data memories z 2K bytes of in-system programmable flash program memory z 128 bytes internal SRAM z Flash write/erase cycles: 10,000 o o z Data retention: 20 years at 85 C / 100 years at 25 C z Peripheral features z One 8-bit timer/counter with two PWM channels z One 16-bit timer/counter with two PWM channels z 10-bit analog to digital converter z 8 single-ended channels z Programmable watchdog timer with separate on-chip oscillator z On-chip analog comparator z Master/slave SPI serial interface z Slave TWI serial interface z Special microcontroller features z In-system programmable z External and internal interrupt sources z Low power idle, ADC noise reduction, stand-by and power-down modes z Enhanced power-on reset circuit z Internal calibrated oscillator z I/O and packages z 14-pin SOIC/TSSOP: 12 programmable I/O lines z 12-ball WLCSP: 10 programmable I/O lines z 15-ball UFBGA: 12 programmable I/O lines z 20-pad VQFN: 12 programmable I/O lines z Operating voltage: z 1.8 5.5V z Programming voltage: z 5V z Speed grade z 0 4MHz 1.8 5.5V z 0 8MHz 2.7 5.5V z 0 12MHz 4.5 5.5V z Industrial temperature range z Low power consumption z Active mode: z 200 A at 1MHz and 1.8V z Idle mode: z 25 A at 1MHz and 1.8V z Power-down mode: z < 0.1 A at 1.8V 8235FAVR09/20141. Pin Configurations 1.1 SOIC & TSSOP Figure 1-1. SOIC/TSSOP 1 VCC 14 GND (PCINT8/TPICLK/T0/CLKI) PB0 2 13 PA0 (ADC0/PCINT0) 3 (PCINT9/TPIDATA/MOSI/SDA/OC1A) PB1 12 PA1 (ADC1/AIN0/PCINT1) (PCINT11/RESET) PB3 4 11 PA2 (ADC2/AIN1/PCINT2) (PCINT10/INT0/MISO/OC1B/OC0A/CKOUT) PB2 5 10 PA3 (ADC3/PCINT3) 6 (PCINT7/SCL/SCK/T1/ICP1/OC0B/ADC7) PA7 9 PA4 (ADC4/PCINT4) (PCINT6/SS/ADC6) PA6 7 8 PA5 (ADC5/PCINT5) 1.2 VQFN Figure 1-2. VQFN (PCINT4/ADC4) PA4 1 15 PA7 (ADC7/OC0B/ICP1/T1/SCL/SCK/PCINT7) (PCINT3/ADC3) PA3 2 14 PB2 (CKOUT/OC0A/OC1B/MISO/INT0/PCINT10) (PCINT2/AIN1/ADC2) PA2 3 13 PB3 (RESET/PCINT11) (PCINT1/AIN0/ADC1) PA1 4 12 PB1 (OC1A/SDA/MOSI/TPIDATA/PCINT9) (PCINT0/ADC0) PA0 5 11 PB0 (CLKI/T0/TPICLK/PCINT8) NOTE Bottom pad should be soldered to ground. DNC: Do Not Connect ATtiny20 DATASHEET 2 Atmel-8235F-AVR-ATtiny20-Datasheet 09/2014 DNC 6 20 DNC DNC 7 19 DNC GND 8 18 DNC VCC 9 17 PA5 (ADC5/PCINT5) DNC 10 16 PA6 (ADC6/PCINT6/SS)