Single-Pin Unified Program
and Debug Interface (UPDI)
Three sleep modes:
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
Two 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 master/slave Serial
Peripheral Interface (SPI)
One Two-Wire Interface (TWI)
with dual address match
Philips
I2C compatible
Standard mode (Sm,
100 kHz)
Fast mode (Fm, 400
kHz)
Fast mode plus (Fm+,
1 MHz)
Three Analog
Comparators (AC) with a low propagation delay
Two
10-bit 115 ksps Analog-to-Digital Converters (ADCs)
Three
8-bit Digital-to-Analog Converters (DACs) with one external channel
Multiple voltage references
(VREF):
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)
Capacitive touch
buttons, sliders, wheels and 2D surfaces
Wake-up on touch
Driven shield for
improved moisture and noise handling performance
Up to 14 self-capacitance channels
Up to 49 mutual capacitance channels
External interrupt on all
general purpose pins
I/O and Packages:
Up to 22 programmable I/O
lines
20-pin SOIC300
24-pin VQFN 4x4
mm with wettable
flanks
Temperature Ranges:
-40°C to 105°C
-40°C to 125°C
Speed Grades:
0-8 MHz @ 2.7V – 5.5V
0-16 MHz @ 4.5V – 5.5V
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.