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AN3154

Bootloader command set

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3.3

Get ID command

The Get ID command is used to get the version of the chip ID (identification). When the

bootloader receives the command, it transmits the product ID to the host.

Figure 8. Get ID command: host side

1. GID = Get ID.

2. PID stands for product ID. Byte 1 is the MSB and byte 2, the LSB of the address. Refer to Section 3.1: Get

command for more details about the PID of the device you are using.

The host sends messages as follows:

Command message: Std ID = 0x02, data length code (DLC) = ‘not important’.

ACK Message contain: Std ID = 0x02, DLC = 1, data = 0x79 - ACK