Техническая Спецификация для Atmel ATmega328P Xplained Mini MEGA328P-XMINI MEGA328P-XMINI
Модели
MEGA328P-XMINI
223
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
Atmel-8271H-AVR- ATmega-Datasheet_08/2014
Figure 22-14. Formats and States in the Master Receiver Mode
22.7.3 Slave Receiver Mode
In the Slave Receiver mode, a number of data bytes are received from a Master Transmitter (see
All the status codes mentioned in this section assume that the prescaler bits are zero or are masked to zero.
Figure 22-15. Data transfer in Slave Receiver mode
S
SLA
R
A
DATA
A
$08
$40
$50
SLA
R
$10
A
P
$48
A or A
$38
Other master
continues
$38
Other master
continues
W
A
$68
Other master
continues
$78
$B0
To corresponding
states in slave mode
states in slave mode
MR
MT
Successfull
reception
from a slave
receiver
reception
from a slave
receiver
Next transfer
started with a
repeated start
condition
started with a
repeated start
condition
Not acknowledge
received after the
slave address
received after the
slave address
Arbitration lost in slave
address or data byte
address or data byte
Arbitration lost and
addressed as slave
addressed as slave
DATA
A
n
From master to slave
From slave to master
Any number of data bytes
and their associated acknowledge bits
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
to a defined state of the 2-Wire Serial Bus. The
prescaler bits are zero or masked to zero
P
DATA
A
$58
A
R
S
Device 3
Device n
SDA
SCL
........
R1
R2
V
CC
Device 2
MASTER
TRANSMITTER
Device 1
SLAVE
RECEIVER