Rainbow-electronics AT89C5132 Manual de usuario descargar pdf (Pagina 21)

21

AT89C5132

4256A–USB–06/03

Answers from Bootloader The device has two possible answers to a DFU_GETSTATUS request:

• If the chip is protected from program access, a “err_VENDOR” status is returned to

the Host.

• Otherwise, the device status is “OK“. The Host can send a DFU_UPLOAD request

to the device in order the value of the requested field.

IN

Byte value (1 byte)

SETUP

DFU_UPLOAD

OUT

ZLP

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 30 31

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