Figure 20-22. Possible Status Codes Caused by Arbitration
START
SLA
Data
STOP
Arbitration lost in SLA
Arbitration lost in Data
Own
No
38
TWI bus will be released and not addressed slave mode will be entered
A START condition will be transmitted when the bus becomes free
Address / General Call
received
Yes
Write
68/78
B0
Data byte will be received and NOT ACK will be returned
Data byte will be received and ACK will be returned
Direction
Read
Last data byte will be transmitted and NOT ACK should be received
Data byte will be transmitted and ACK should be received
246
AT90USB64/128
7593A–AVR–02/06