16 KB In-system-programmable
Flash memory with a true read-while-write operation
2 KB SRAM
512 EEPROM
64B of user row in
nonvolatile memory that can keep data during chip-erase and be programmed
while the device is locked
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) with user-programmable levels
Voltage Level Monitor (VLM) with interrupt at a programmable level above the BOD level
Clock Failure Detection (CFD)
Clock options:
High-precision internal oscillator with selectable frequency up to
20 MHz (OSCHF)
Auto-tuning for improved internal oscillator accuracy
Internal ultra-low power 32.768 kHz oscillator (OSC32K)
External 32.768 kHz crystal oscillator (XOSC32K)
External clock input
External high-frequency crystal oscillator with clock failure
detection (XOSCHF)
Single pin Unified Program
and Debug Interface (UPDI)
Three sleep modes
Idle with all
peripherals running for immediate wake-up
Standby with a configurable operation of
selected peripherals
Power-Down with full
data retention
Peripherals
Two 16-bit Timer/Counters
type A (TCA) with three compare channels for PWM and waveform generation
Four 16-bit Timer/Counters
type B (TCB) with input capture for capture and signal measurements
One 16-bit Real-Time Counter
(RTC) that can run from an external crystal or internal oscillator
Three USARTs 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
Independent host and
client operation (Dual mode)
Philips
I2C compatible
Standard-mode (Sm,
100 kHz)
Fast-mode (Fm, 400
kHz)
Fast-mode Plus (Fm+,
1 MHz)
Event System for CPU-independent
and predictable inter-peripheral signaling
Configurable Custom Logic
(CCL) with up to four programmable Look-up Tables (LUTs)
One 12-bit,
375 ksps, differential Analog-to-Digital Converter (ADC)
Includes a
Programmable Gain Amplifier (PGA), 1x to 16x gain on the input
signal
One 10-bit Digital-to-Analog
Converter (DAC)
Two Analog Comparators (ACs)
with window compare functions
Multiple voltage references
(VREF)
1.024V
2.048V
2.500V
4.096V
VREFA
VDD
Automated Cyclic Redundancy
Check (CRC) Flash program memory scan
Watchdog Timer (WDT) with
Window mode and separate on-chip oscillator
External interrupt on all
general purpose pins
I/O and Packages:
24 to 42 programmable I/O pins
28-pin VQFN 4x4, SPDIP and
SSOP
32-pin VQFN 5x5 and TQFP 7x7
48-pin VQFN 6x6 and TQFP 7x7
Temperature Ranges
Industrial: -40°C to 85°C ambient
Extended: -40°C to 125°C ambient
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.
