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8235F–AVR–09/2014
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
z Data retention: 20 years at 85
o
C / 100 years at 25
o
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 μA at 1MHz and 1.8V
z Idle mode:
z 25μA at 1MHz and 1.8V
z Power-down mode:
z < 0.1μA at 1.8V
ATtiny20
8-bit AVR Microcontroller
with 2K Bytes In-System Programmable Flash
DATASHEET
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