16.6.2 Flash Memory Organization
The device Flash memory is divided into two logical Flash partitions:
- Main Program Flash Memory (PFM)
- Boot/Configuration Flash Memory (BFM)
- Boot Flash
- Device/Boot Configuration – Device and boot configuration data
- OTP – User system calibration data
The following table provides details about each Flash section having different protection status.
| Flash Partition | Memory Region | Write Protection | Erase Protection | Chip Erase through DSU |
|---|---|---|---|---|
| BFM | Boot Flash (16 pages) | Yes. Page-wise Configurable | Yes. Page-wise Configurable | Erased |
| Device/Boot Configuration (1 page) | Yes. Configurable | Yes. Configurable | Erased | |
| One Time Programmable (OTP) (1 page) | Yes. Configurable | Always Erase protected. Can not be erased | Not Erased | |
| PFM | Program Flash | Yes. Configurable | Yes. Configurable | Erased |