32 KB In-system-programmable
Flash memory with a true read-while-write operation
3 KB SRAM
512B 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 options:
High-precision internal oscillator with
selectable frequency up to 20 MHz
(OSCHF)
Auto-tuning
for improved internal oscillator accuracy
Internal PLL up to 80 MHz for high-frequency operation of
Timer/Counter type E/F
Internal ultra-low
power 32.768 kHz oscillator (OSC32K)
External 32.768 kHz
crystal oscillator (XOSC32K)
External clock
input
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 B (TCB) with input capture for capture and signal measurements
One 16-bit Timer/Counter type E (TCE) with
four compare channels for PWM
generation and Waveform Extension (WEX)
One 24-bit
Timer/Counter type F (TCF) for frequency generation
One 16-bit Real-Time Counter
(RTC) that can run from an external crystal or internal 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
Independent host and
client operation (Dual mode)
Phillips
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, 300 ksps, differential Analog-to-Digital Converter (ADC) with a programmable gain
amplifier (PGA)
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:
Up to 28/27 programmable I/O
pins
14-pin SOIC and TSSOP
20-pin SSOP
28-pin SPDIP, SSOP and VQFN
32-pin
VQFN and TQFP
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.
