ATmega48PA Automotive Atmel Corporation, ATmega48PA Automotive Datasheet - Page 231

• Manufacturer Part Number: ATmega48PA Automotive
• Manufacturer: Atmel Corporation

Figure 22-14. Formats and States in the Master Receiver Mode
22.7.3
9223B–AVR–09/11
Slave 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
In the Slave Receiver mode, a number of data bytes are received from a Master Transmitter
(see
bits are zero or are masked to zero.
Figure 22-15. Data Transfer in Slave Receiver Mode
SLA
Atmel ATmega48PA/88PA/168PA [Preliminary]
Figure
SDA
SCL
R
22-15). All the status codes mentioned in this section assume that the prescaler
MR
A or A
DATA
$40
$48
$38
$68
A
A
A
Device 1
RECEIVER
SLAVE
$78
Other master
Other master
n
continues
continues
P
$B0
DATA
A
TRANSMITTER
Device 2
MASTER
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
$50
$38
To corresponding
states in slave mode
A
A
Device 3
Other master
DATA
continues
........
$58
A
Device n
$10
P
R
S
V
CC
SLA
R1
W
R
R2
MT
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