The flash is 1MB large and consists of 256 4K blocks. The last block is used to store the serial number.
| Start | End | Size | Name |
|---|---|---|---|
| 0x000000 | Dynamic | Roughly 40K | Firmware |
| TBD | 0x0FF000 | TBD | Persistent Storage |
| 0x0FF000 | 0x100000 | 0x1000 (4K) | Serial Number |
| Start | End | Size | Name |
|---|---|---|---|
| 0x000000 | Dynamic | Roughly 60K | Firmware |
| 0xef000 | 0x0FF000 | 0x10000 (16K) | Persistent Storage |
| 0x0FF000 | 0x100000 | 0x01000 (4K) | Serial Number |
- 1 byte serial number revision (== 1)
- 18 bytes serial number
- 1 byte hardware revision
- 4 byte CRC checksum over serial number (CRC32B, same as Python's
zlib.crc32())
Hardware Revisions:
- B1 Display
- 1 First Prototype, very early prototype
- LED Matrix
- 1 First Prototype (ATC)
- 2 Second Prototype (BizLink)
- 3 Third Prototype, 27k Resistor
- Keyboard, Numpad, Macropad
- 1 First Prototype