SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 736

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

Notes:
33.10.5.5
Figure 33-30. Repeated Start + Reversal from Read to Write Mode
Figure 33-31. Repeated Start + Reversal from Write to Read Mode
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TWI_RHR
TWI_RHR
TWI_THR
TWI_THR
TXCOMP
TXCOMP
EOSACC
EOSACC
SVREAD
SVREAD
Reversal of Read to Write
Reversal of Write to Read
RXRDY
SVACC
RXRDY
SVACC
TXRDY
TXRDY
TWD
TWD
1. At the end of the read sequence, TXCOMP is set after a STOP or after a REPEATED_START + an address different from
2. SCLWS is automatically set when the clock synchronization mechanism is started and automatically reset when the mecha-
SAM3X/A
SAM3X/A
SADR.
nism is finished.
Reversal after a Repeated Start
S
S
As soon as a START is detected
As soon as a START is detected
SADR
SADR
The master initiates the communication by a read command and finishes it by a write command.
Figure 33-30 on page 736
1. TXCOMP is only set at the end of the transmission because after the repeated start, SADR is detected again.
The master initiates the communication by a write command and finishes it by a read com-
mand.Figure 33-31 on page 736
mode.
W
R
Read TWI_RHR
A
A
DATA0
DATA0
DATA0
A
A
DATA0
DATA1
DATA1
DATA1
describes the repeated start + reversal from Read to Write mode.
NA
A
describes the repeated start + reversal from Write to Read
DATA1
Sr
Sr
SADR
SADR
Cleared after read
Cleared after read
R
W
DATA2
A
A
DATA2
DATA2
DATA2
A
A
DATA3
DATA3
DATA3
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
DATA3
NA
A
P
P