5.3 Write Memory
The following table describes the write memory command structure. This command is used when the Boot ROM is running on the host controller only to write a block of memory to the Bluetooth controller. Its main function is to download the firmware to the controller.
| HCI Packet Indicator | Op Code | Parameters Length | Parameters Payload | Data Block | |
|---|---|---|---|---|---|
| 1 | 0xFC52 | 8 | Address (4 bytes) | Size (4 bytes) | Data block to be written to the memory | 
