33.1.1 Features
The following are key features of the FCW module:
- Support Flash Partitions:
- Program Flash Memory (PFM)
- Boot Flash Memory (BFM)
- Configuration Flash Memory (CFM)
- Mission Mode Write/Erase Features:
- PFM Erase
- Page Erase
- Single Write (32-bit) and simple parity
- Row Write and SECDED ECC
- Built-in DMA of data from DRAM
- All write operations support pre-program to increase endurance and retention
- PFM Address Swap
- Debug mode Erase features are
implemented by ROM Code:
- Identical to Mission mode
with the following additional debug‑only features:
- Chip Erase: PFM and unprotected NVR pages (available to the Boot only)
- NVR Test pages cannot be erased
- Identical to Mission mode
with the following additional debug‑only features:
- Debug Programming Features
- Identical to mission mode
- Program Flash Memory (PFM) Write
Protect with 4 protection regions
- Region defined by Base and Size
- Lockable
- Boot
Flash Memory (BFM) Write Protect
- Individual (4 KB) Page write protect regions
- Lockable
- Flash-based user OTP pages
- Not erased by Chip Erase or Page Erase
- 4 Lockable Write Protect regions per Page
- Supports storage of user calibration values