Introduction - If you have any usage issues, please Google them yourself
Low Supply-Voltage Range, 1.8 V to 3.6 V
Ultralow-Power Consumption:
− Active Mode: 280 µ A at 1 MHz, 2.2 V
− Standby Mode: 1.1 µ A
− Off Mode (RAM Retention): 0.1 µ A
Five Power Saving Modes
Wake-Up From Standby Mode in Less
Than 6 µ s
16-Bit RISC Architecture,
125-ns Instruction Cycle Time
12-Bit A/D Converter With Internal
Reference, Sample-and-Hold and
Autoscan Feature
16-Bit Timer_B With Three† or Seven‡
Capture/Compare-With-Shadow Registers
16-Bit Timer_A With Three
Capture/Compare Registers
On-Chip Comparator
Serial Communication Interface (USART),
Select Asynchronous UART or
Synchronous SPI by Software:
− Two USARTs (USART0, USART1)†
− One USART (USART0)‡
Brownout Detector
Supply Voltage Supervisor/Monitor With
Programmable Level Detection
Serial Onboard Programming,
No External Programming Voltage Needed
Programmable Code Protection by Security
Fuse