Datasheet

Figure 24-16. Formats and States in the Slave Receiver Mode
S SLA W A DATA A
$60 $80
$88
A
$68
Reception of the o wn
sla v e address and one or
more data b ytes. All are
acknowledged
Last data b yte receiv ed
is not ac kno wledged
Arbitration lost as master
and addressed as sla v e
Reception of the gener al call
address and one or more data
bytes
Last data b yte receiv ed is
not ac knowledged
n
From master to sla v e
From sla v e to master
Any number of data b ytes
and their associated ac kno wledge bits
This n umber (contained in TWSR) corresponds
to a defined state of the 2-Wire Ser ial Bus. The
prescaler bits are z ero or mask ed to z ero
P or SDATA A
$80
$A0
P or SA
A DATA A
$70 $90
$98
A
$78
P or SDATA A
$90
$A0
P or SA
General Call
Arbitration lost as master and
addressed as sla v e b y gener al call
DATA A
24.6.5. Slave Transmitter Mode
In the Slave Transmitter (ST) mode, a number of data bytes are transmitted to a Master Receiver, as in
the figure below. All the status codes mentioned in this section assume that the prescaler bits are zero or
are masked to zero.
Atmel ATmega32A [DATASHEET]
Atmel-8155I-ATmega32A_Datasheet_Complete-08/2016
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