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Answers from bootloader – Rainbow Electronics AT89C5132 User Manual

Page 21

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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