Microchip ATSAM4L
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The Microchip (formerly Atmel) ATSAM4L series are microcontrollers based on the ARM Cortex-M4 core.
Flash Banks
| Flash Bank | Base address | Size | J-Link Support |
|---|---|---|---|
| Internal program Flash | 0x00000000 | Up to 512 KB | 
|
| NVM User Row | 0x00800000 | 512 Bytes |
|
Watchdog Handling
The device has a watchdog that is fed during flash programming.
Device Specific Handling
Reset
The device uses custom reset:
- The device is reset to "Hold Core Reset Mode" by toggling the reset pin to make sure there is no code executed after reset.
- VC_CORERESET is set in DEMCR to catch the core after reset is released.
- "Hold Core Reset Mode" is disabled to release reset.
- VC_CORERESET is cleared as the core is already halted.