Features
-
AVR® CPU:
- Single-cycle I/O access
- Two-level interrupt
controller
- Two-cycle hardware
multiplier
- Memories:
- 48 KB In-system
self-programmable Flash memory
- 256B EEPROM
- 6 KB SRAM
- Write/Erase endurance:
- Flash 10,000
cycles
- EEPROM 100,000
cycles
- Data retention: 40 years at
55°C
- System:
- Power-on Reset (POR)
circuit
- Brown-out Detector (BOD)
- Clock options:
- 16/20 MHz low-power
internal oscillator
- 32.768 kHz Ultra
Low-Power (ULP) internal oscillator
- 32.768 kHz external
crystal oscillator
- External clock
input
- Single-pin Unified Program
Debug Interface (UPDI)
- Three sleep modes:
- Idle with all
peripherals running for immediate wake-up
- Standby
- Configurable
operation of selected peripherals
- SleepWalking
peripherals
- Power-Down with
limited wake-up functionality
- Peripherals:
- One 16-bit Timer/Counter type
A (TCA) with a dedicated period register and three compare channels
- Up to four 16-bit
Timer/Counters type B (TCB) with input capture
- One 16-bit Real-Time Counter
(RTC) running from an external crystal or an internal RC oscillator
- Up to four USARTs with
fractional baud rate generator, auto-baud, and start-of-frame detection
- Host/client Serial
Peripheral Interface (SPI)
- Host/client TWI with dual
address match
- Can operate
simultaneously as host and client
- Standard mode (Sm,
100 kHz)
- Fast mode (Fm, 400
kHz)
- Fast mode plus (Fm+,
1 MHz)
- Event System for core
independent and predictable inter-peripheral signaling
- Configurable Custom Logic
(CCL) with up to four programmable Look-up Tables (LUT)
- One Analog Comparator (AC)
with a scalable reference input
- One 10-bit 150 ksps
Analog-to-Digital Converter (ADC)
- Five selectable internal
voltage references: 0.55V, 1.1V, 1.5V, 2.5V, and 4.3V
- CRC code memory scan
hardware
- Optional automatic
CRC scan before code execution is allowed
- Watchdog Timer (WDT) with
Window mode, with a separate on-chip oscillator
- External interrupt on all
general purpose pins
- I/O and Packages:
- Up to 41 programmable I/O
lines
- 28-pin SSOP
- 32-pin VQFN 5x5 and TQFP 7x7
- 40-pin PDIP
- 48-pin VQFN 6x6 and TQFP
7x7
- Temperature Ranges:
- Industrial: -40°C to +85°C
- Extended: -40°C to +125°C
- Speed Grades -40°C to +105°C:
- 0-5 MHz @ 1.8V – 5.5V
- 0-10 MHz @ 2.7V – 5.5V
- 0-20 MHz @ 4.5V – 5.5V
- Speed Grades +105°C to +125°C:
- 0-8 MHz @ 2.7V - 5.5V
- 0-16 MHz @ 4.5V - 5.5V
- Speed Grades -40°C to +125°C - Automotive Range Parts (-VAO):
- 0-8 MHz @ 2.7V - 5.5V
- 0-16 MHz @ 4.5V - 5.5V
- VAO variants available: Designed,
manufactured, tested, and qualified per the AEC-Q100 requirements for automotive
applications.