Users Manual User Manual

Device Emulation (Optional)
137
Endpoint Errors Generated by OTG DRD & Device Emulation
Synch Generates the KJKJKJJJ pattern for Synch field.
Not available in HS
Pid Check field contains the same bits as PID field.
Invalid Pid Uses Reserved PID field value of 0000b and Check field
value 1111b.
Bit stuffing Disables bit stuffing.
Not available in HS
CRC Incorrect CRC for data packets
Not available in OUT endpoints
EOP Length FS/LS: The transmitted SE0 is approximately 1 bit time in
width.
HS: first bit of EOP is not inverted.
Packet Length IN: Short data packet without CRC
OUT: Handshake packet appended with extra bytes
Toggle Does not toggle the data packets bit (always 1).
Not available for OUT endpoints
TimeOut Response is sent after a period, if time is longer than the
interpacket period specified by USB.
Babble Generates a long packets that cross frame boundaries.
Loss of Activity EOP is not transmitted, bus returns to idle at end of packet.
Not available in HS