Rainbow-electronics AT89C5132 Manual do Utilizador descarregar pdf (Página 18)

AT89C5132

4256A–USB–06/03

Answers from the Device to a

Blank Check Command

The Host controller send a GET_STATUS request to the device. Once internal blank

check has been completed, the device sends its status.

• If the device status is “OK”:

the device memory is then blank and the device waits the next Host request.

• If the device status is “

errCHECK_ERASED”:

the device memory is not blank. The device waits for an DFU_UPLOAD request to

send the first address where the byte is not 0xFF.

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