Features
- CPU:
- AVR® CPU
- Running at up to 20 MHz
- Single-cycle I/O access
- Two-level interrupt
controller
- Two-cycle hardware
multiplier
- Memories:
- 2/4 KB In-system
self-programmable Flash memory
- 64/128B
EEPROM
- 128/256B
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
- External clock input
- 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
- SleepWalking
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 16-bit Real-Time Counter (RTC) running
from
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)
- One Analog Comparator (AC)
with a low propagation delay
- One 10-bit 115 ksps
Analog-to-Digital Converter (ADC)
- 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
(CRCSCAN)
- External interrupt on all general purpose
pins
- I/O and Packages:
- 12
programmable I/O lines
- 14-pin SOIC150
- 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