ATMEGA128-16AU SL383 Atmel, ATMEGA128-16AU SL383 Datasheet - Page 218

• Manufacturer Part Number: ATMEGA128-16AU SL383
• Manufacturer: Atmel

218
ATmega128
enables the master to switch between slaves, Master Transmitter mode and Master Receiver
mode without losing control over the bus.
Figure 99. Formats and States in the Master Receiver Mode
Successfull
reception
from a slave
receiver
Next transfer
started with a
repeated start
condition
Not acknowledge
received after the
slave address
Arbitration lost in slave
address or data byte
Arbitration lost and
addressed as slave
From master to slave
From slave to master
$08
S
SLA
R
MR
A or A
DATA
$40
$48
$38
$68
A
A
A
$78
Other master
Other master
n
continues
continues
P
$B0
DATA
A
Any number of data bytes
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
$50
$38
To corresponding
states in slave mode
A
A
Other master
DATA
continues
$58
A
$10
R
P
S
SLA
2467S–AVR–07/09
W
R
MT