Features
- Advanced RISC
architecture
- 131 instructions – most
single clock cycle execution
- 32 x 8 general purpose
working registers
- Fully static operation
- Up to 20MIPS throughput at
20MHz
- On-chip 2-cycle
Multiplier
- High endurance
non-volatile memory segments
- 4/8/16KBytes of in-system
self-programmable Flash program memory
- 256/512/512Bytes EEPROM
- 512/1K/1KBytes internal
SRAM
- Write/Erase cycles: 10,000
Flash/100,000 EEPROM
- Data retention: 20 years at
85°C/100 years at 25°C
- Optional boot code section
with independent lock bits
- In-system programming
by on-chip boot program
- True Read-While-Write
(RWW) operation
- Programming lock for software
security
- QTouch® library
support
- Capacitive touch buttons, sliders and wheels
- QTouch
and QMatrix® acquisition
- Up to 64
sense channels
- Peripheral
Features
- Two 8-bit
Timer/Counters (TC) with separate prescaler and compare mode
- 16-bit
Timer/Counter with separate prescaler, compare mode, and capture mode
- Real Time
Counter (RTC) with separate oscillator
- Six Pulse
Width Modulation (PWM) channels
- 8-channel
10-bit Analog-to-Digital converter (ADC) with temperature measurement
- Programmable serial USART with start-of-frame detection
- Master/Slave Serial Interface
(SPI)
- Byte-oriented Two-Wire serial
Interface (TWI), Philips I2C compatible
- Programmable Watchdog Timer
(WDT) with separate on-chip oscillator
- On-chip Analog Comparator
(AC)
- Interrupt and Wake-up on pin
change
- 256-channel
capacitive touch and proximity sensing
- Special
microcontroller features
- Power-On Reset (POR) and
programmable brown-out detection (BOD)
- Internal calibrated
oscillator
- External and internal
interrupt sources
- Six Sleep Modes: Idle, ADC
Noise Reduction, Power-Save, Power-Down, Standby, and Extended Standby
- Unique device ID
- I/O
- Packages
- Operating
voltage
- Temperature
range
- Speed grades
- 0 - 4MHz at 1.8-5.5V
- 0 - 10MHz at 2.7-5.5.V
- 0 - 20MHz at 4.5-5.5V
- Power consumption at 1MHz, 1.8V,
25°C
- Active mode: 0.35mA
- Power-down mode: 0.23μA
- Power-save mode: <1.4μA
(including 32kHz RTC)