Atmel EDBG-based Tools ProtocolsSPI programming protocol commands

SPI Read Flash

Reads data from flash memory using SPI programming

Table 154. SPI Read Flash command format

Field	Size	Description
SPI_CMD_READ_FLASH	1 byte	Command ID
NumBytes	2 byte	Total number of bytes to read, MSB first
cmd1	1 byte

Read Program Memory command byte #1.

Low/high byte selection bit (bit 3) is handled by firmware.

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Response:

Table 155. SPI Read Flash response

Field	Size	Description
SPI_CMD_READ_FLASH	1 byte	Command ID
Status1	1 byte	SPI_STATUS_CMD_OK
Data	1 byte	Data read from flash
Status	1 byte

SPI_STATUS_CMD_OK or

SPI_STATUS_RDY_BSY_TOUT

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