Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet
Product codes
AT91SAM9X25-EK
751
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
Figure 38-9. Master Read with One Data Byte
Figure 38-10.Master Read with Multiple Data Bytes
Figure 38-11.Master Read Clock Stretching with Multiple Data Bytes
A
S
DADR
R
DATA
N
P
TXCOMP
Write START &
STOP Bit
RXRDY
Read RHR
TWD
N
A
S
DADR
R
DATA n
A
A
DATA (n+1)
A
DATA (n+m)
DATA (n+m)-1
P
TWD
TXCOMP
Write START Bit
RXRDY
Write STOP Bit
after next-to-last data read
Read RHR
DATA n
Read RHR
DATA (n+1)
Read RHR
DATA (n+m)-1
Read RHR
DATA (n+m)
A
DATA n
A
S
DADR
W
DATA n+1
A
P
DATA n+2
A
TXCOMP
RXRDY
Read RHR (Data n)
STOP command performed
(by writing in the TWI_CR)
TWD
TWCK
Read RHR (Data n+1)
Read RHR (Data n+2)
Clock Streching