Description
3
2. Configuration Summary 14
3. Ordering Information16
3.1. SAM C21E16 3.2. SAM C21G 17 3.3. SAM C21J 18
4. Block Diagram 20
5. Pinout22
5.1. SAM C21E22 5.2. SAM C21G 23 5.3. SAM C21J 24
6. Signal Descriptions List 25
7. I/O Multiplexing and Considerations 27
7.1. Multiplexed Signals27 7.2. Other Functions28
8. Power Supply and Start-Up Considerations 30
8.1. Power Domain Overview30 8.2. Power Supply Considerations 30 8.3. Power-Up32 8.4. Power-On Reset and Brown-Out Detector 33
9. Product Mapp
Features
- Processor.
- ARM Cortex-M0+ CPU running at up to 48MHz.
- Single-cycle hardware multiplier.
- Micro Trace Buffer.
- Memory Protection Unit (MPU).
- Memories.
- 32/64/128/256KB in-system self-programmable Flash.
- 1/2/4/8KB independent self-programmable Flash for EEPROM emulation.
- 4/8/16/32KB SRAM Main Memory.
- System.
- Power-on reset (POR) and brown-out detection (BOD).
- Internal and external clock option.
