A000046 Arduino, A000046 Datasheet - Page 233

• Manufacturer Part Number: A000046
• Description: MCU, MPU & DSP Development Tools Uno
• Manufacturer: Arduino
• Series: -r
• Type: MCUr

Specifications of A000046

• Processor To Be Evaluated: ATmega328
• Interface Type: USB, I2C, SPI
• Dimensions: 2.7 in x 2.1 in
• Operating Supply Voltage: 5 V
• Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: ATmega328

21.7.3
8161D–AVR–10/09
Slave Receiver Mode
Figure 21-14. Formats and States in the Master Receiver Mode
In the Slave Receiver mode, a number of data bytes are received from a Master Transmitter
(see
are zero or are masked to zero.
Figure 21-15. Data transfer in Slave Receiver mode
SDA
SCL
Figure
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
21-15). All the status codes mentioned in this section assume that the prescaler bits
From master to slave
From slave to master
$08
S
Device 1
RECEIVER
SLAVE
SLA
TRANSMITTER
R
Device 2
MASTER
MR
A or A
DATA
$40
$48
$38
$68
ATmega48PA/88PA/168PA/328P
A
A
A
$78
Other master
Other master
n
continues
continues
P
$B0
Device 3
DATA
A
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
Other master
DATA
continues
Device n
$58
A
V
CC
$10
P
R
S
R1
SLA
R2
W
R
MT
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