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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
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