ATA6613 ATMEL Corporation, ATA6613 Datasheet - Page 249

• Manufacturer Part Number: ATA6613
• Description: Ata6613
• Manufacturer: ATMEL Corporation

6.19.8.2
9111C–AUTO–02/08
Master Receiver Mode
Figure 6-89. Formats and States in the Master Transmitter Mode
In the Master Receiver mode, a number of data bytes are received from a Slave Transmitter
(Slave see
be transmitted. The format of the following address packet determines whether Master Transmit-
ter or Master Receiver mode is to be entered. If SLA+W is transmitted, MT mode is entered, if
SLA+R is transmitted, MR mode is entered. All the status codes mentioned in this section
assume that the prescaler bits are zero or are masked to zero.
Successfull
transmission
to a slave
receiver
Next transfer
started with a
repeated start
condition
Not acknowledge
received after the
slave address
Not acknowledge
received after a data
byte
Arbitration lost in slave
address or data byte
Arbitration lost and
addressed as slave
Figure 6-90 on page
From master to slave
From slave to master
$08
S
SLA
250). In order to enter a Master mode, a START condition must
W
MT
A or A
DATA
$18
$20
$38
$68
A
A
A
$78
Other master
Other master
continues
continues
n
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 2-Wire Serial Bus. The
prescaler bits are zero or masked to zero
ATA6612/ATA6613
A or A
$28
$30
$38
To corresponding
states in slave mode
A
A
Other master
continues
$10
P
R
P
S
SLA
W
R
MR
249