Features
- Programming
- External programming through UPDI
1-wire (1W) interface
- Enable programming by 12V or
fuse
- Uses the
RESET pin of the device for programming
- No GPIO pins occupied during
operation
- Asynchronous Half-Duplex
UART protocol towards the programmer
- Debugging
- Memory mapped access to device
address space (NVM, RAM, I/O)
- No limitation on device clock frequency
- Unlimited number of user program breakpoints
- 2 Hardware Breakpoints
- Run-time readout of program
counter (PC), Stack Pointer (SP) and CPU Status register (CPU_SREG) for code
profiling
- Program Flow Control
- Go, Stop, Reset, Step Into
- Non-intrusive run-time chip
monitoring without accessing system registers
- Monitor CRC status and sleep
status
- Unified Programming and Debug Interface
(UPDI)
- Built in error detection with
error signature readout
- Frequency Measurement of internal
oscillators using the Event System