Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
612
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
34.12 HSMCI Transfer Done Timings
34.12.1 Definition
The XFRDONE flag in the HSMCI_SR indicates exactly when the read or write sequence is finished.
34.12.2 Read Access
During a read access, the XFRDONE flag behaves as shown in
Figure 34-11.XFRDONE During a Read Access
34.12.3 Write Access
During a write access, the XFRDONE flag behaves as shown in
.
Figure 34-12.XFRDONE During a Write Access
CMD line
H
S
MCI re
a
d CMD
C
a
rd re
s
pon
s
e
CMDRDY fl
a
g
D
a
t
a
1
s
t Block
L
as
t Block
Not
bus
y fl
a
g
XFRDONE fl
a
g
The CMDRDY fl
a
g i
s
rele
as
ed
8
t
b
it
a
fter the end of the c
a
rd re
s
pon
s
e.
CMD line
C
a
rd re
s
pon
s
e
CMDRDY fl
a
g
D
a
t
a
bus
- D0
1
s
t Block
Not
bus
y fl
a
g
XFRDONE fl
a
g
The CMDRDY fl
a
g i
s
rele
as
ed
8
t
b
it
a
fter the end of the c
a
rd re
s
pon
s
e.
L
as
t Block
D0
1
s
t Block
L
as
t Block
D0 i
s
tied
b
y the c
a
rd
D0 i
s
rele
as
ed
H
S
MCI write CMD