ATMEGA8_08 Datasheet, PDF (187/308 Pages) ATMEL Corporation – 8-bit with 8K Bytes In-System Programmable Flash

ATmega8(L)
Figure 83. Formats and States in the Slave Receiver Mode
Reception of the own
slave address and one or
S
more data bytes. All are
acknowledged
SLA
W
A
DATA
A
DATA
A
P or S
$60
$80
$80
$A0
Last data byte received
is not acknowledged
A
P or S
Arbitration lost as master
and addressed as slave
A
$88
Reception of the general call
address and one or more data
bytes
Last data byte received is
not acknowledged
$68
General Call
A
$70
DATA
A
DATA
A
P or S
$90
$90
$A0
A
P or S
Arbitration lost as master and
addressed as slave by general call
A
$98
$78
From master to slave
From slave to master
DATA
n
Any number of data bytes
A
and their associated acknowledge bits
This number (contained in TWSR) corresponds
to a defined state of the Two-Wire Serial Bus. The
prescaler bits are zero or masked to zero
2486T–AVR–05/08
187