Figure 135. Format and States in the Slave Receiver Mode
Reception of the own slave
address and one or more
S
SLA
W
A
Data
A
Data
A
P or S
data Bytes.
All are acknowledged
60h
80h
80h A0h
Last data Byte received
is not acknowledged
A
P or S
88h
Arbitration lost as master and
addressed as slave
A
68h
A
Reception of the general call
address and one or more data Bytes
General Call
Data
A
Data
A
P or S
70h
90h
90h A0h
Last data Byte received
is not acknowledged
A
P or S
98h
Arbitration lost as master and
addressed as slave by general call
A
78h
Any number of data Bytes and their associated
acknowledge bits
From master to slave
From slave to master
Data
nnh
A
This number (contained in SSSTA) corresponds
to a defined state of the TWI bus
188
AT8xC51SND2C
4341D–MP3–04/05
ATMEL [ ATMEL ]
