ATtiny417/814/816/817
tinyAVR
®
1-series
Introduction
The ATtiny417/814/816/817 are members of the tinyAVR
®
1-series of microcontrollers, using the AVR
®
processor with
hardware multiplier, running at up to 20 MHz, with 4/8 KB Flash, 256/512 bytes of SRAM, and 128 bytes of EEPROM
in a 14-, 20- and 24-pin package. The tinyAVR
®
1-series uses the latest technologies with a flexible, low-power
architecture, including Event System, accurate analog features, and Core Independent Peripherals (CIPs).Capacitive
touch interfaces with Driven Shield+ and Boost Mode technologies are supported with the integrated Peripheral
Touch Controller (PTC).
Attention:  Automotive products are documented in separate data sheets.
Features
CPU
AVR
®
CPU
Running at up to 20 MHz
Single-cycle I/O access
Two-level interrupt controller
Two-cycle hardware multiplier
Memories
4/8 KB In-system self-programmable Flash memory
128 bytes EEPROM
256/512 bytes SRAM
Write/erase endurance:
Flash 10,000 cycles
EEPROM 100,000 cycles
Data retention:
40 years at 55°C
System
Power-on Reset (POR)
Brown-out Detector (BOD)
Clock options:
16/20 MHz low-power internal RC oscillator
32.768 kHz Ultra Low-Power (ULP) internal RC oscillator
32.768 kHz external crystal oscillator
External clock input
Single-Pin Unified Program and Debug Interface (UPDI)
Three sleep modes:
© 2020 Microchip Technology Inc.
Complete Datasheet
DS40002288A-page 1
Idle with all peripherals running for immediate wake-up
Standby
Configurable operation of selected peripherals
Power-Down with full data retention
Peripherals
One 16-bit Timer/Counter type A (TCA) with a dedicated period register and three compare channels
One 16-bit Timer/Counter type B (TCB) with input capture
One 12-bit Timer/Counter type D (TCD) optimized for control applications
One 16-bit Real-Time Counter (RTC) running from an external crystal, external clock, or internal RC
oscillator
Watchdog Timer (WDT) with Window mode, with a separate on-chip oscillator
One USART with fractional baud rate generator, auto-baud, and start-of-frame detection
One host/client Serial Peripheral Interface (SPI)
One Two-Wire Interface (TWI) with dual address match
Philips I
2
C compatible
Standard mode (Sm, 100 kHz)
Fast mode (Fm, 400 kHz)
Fast mode plus (Fm+, 1 MHz)
Analog Comparator (AC) with a low propagation delay
10-bit 115 ksps Analog-to-Digital Converter (ADC)
8-bit Digital-to-Analog Converter (DAC) with one external channel
Multiple voltage references (V
REF
):
0.55V
1.1V
1.5V
2.5V
4.3V
Event System (EVSYS) for CPU independent and predictable inter-peripheral signaling
Configurable Custom Logic (CCL) with two programmable look-up tables
Automated CRC memory scan
Peripheral Touch Controller (PTC)
(1)
Capacitive touch buttons, sliders, wheels and 2D surfaces
Wake-up on touch
Driven shield for improved moisture and noise handling performance
6 self-capacitance channels
9 mutual capacitance channels
External interrupt on all general purpose pins
I/O and Packages:
Up to 22 programmable I/O lines
14-pin SOIC150
20-pin SOIC300
20-pin VQFN 3x3 mm
24-pin VQFN 4x4 mm
Temperature Ranges:
-40°C to 105°C
-40°C to 125°C
Speed Grades:
0-5 MHz @ 1.8V – 5.5V
0-10 MHz @ 2.7V – 5.5V
0-20 MHz @ 4.5V – 5.5V
ATtiny417/814/816/817
© 2020 Microchip Technology Inc.
Complete Datasheet
DS40002288A-page 2