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Teledyne LeCroy Conquest User Manual - Users Manual User Manual

Page 147

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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