Datasheet

201
ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
Figure 22-16. Formats and States in the Slave Receiver Mode
S
Reception of the own
slave address and one or
more data bytes. All are
acknowledged
Last data byte received
is not acknowledged
Last data byte received
is not acknowledged
Arbitration lost as master
and addressed as slave
Arbitration lost as master
and as slave by general call
From master to slave
Any number of data bytes
and their associated acknowledge bits
This number (contained in TWSR) corresponds
to a defined state of the 2-Wire Serial Bus.
The prescaler bits are zero or masked to zero
From slave to master
SLA W A DATAAP or S
A
DATA
ADATA
$60
$68
$80 $80 $A0
$88
A
P or SA
n
$90 $90 $A0
$98
P or SA
Reception of the general call
address and one or more
data bytes
A
$70
General Call DATAAP or S
A
DATA
$78
A