# Atmel EDBG-based Tools Protocols
Serial trace commands

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### Start

Starts the data capture

Table 17. Start

Field | Size | Description
--- | --- | ---
SERIAL_TRACE | 1 byte | 0x87
START | 1 byte | 0x03

Response:

Table 18. Start response

Field | Size | Description
--- | --- | ---
SERIAL_TRACE | 1 byte | 0x87
START | 1 byte | 0x03
Status | 1 byte | Status code 0x00: OK 0xFF: Error

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