Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105 Data Sheet
Product codes
ATEVK1105
227
AT32UC3A
If the slave device supports only a 7-bit address, i.e. no internal address,
IADRSZ
must be set to
0.
n the figures below the following abbreviations are used:I
n the figures below the following abbreviations are used:I
Figure 24-11.
Master Write with One, Two or Three Bytes Internal Address and One Data Byte
Figure 24-12.
Master Read with One, Two or Three Bytes Internal Address and One Data Byte
• S
Start
• Sr
Repeated Start
• P
Stop
• W
Write
• R
Read
• A
Acknowledge
• N
Not Acknowledge
• DADR
Device Address
• IADR
Internal Address
S
DADR
W
A
IADR(23:16)
A
IADR(15:8)
A
IADR(7:0)
A
DATA
A
P
S
DADR
W
A
IADR(15:8)
A
IADR(7:0)
A
P
DATA
A
A
IADR(7:0)
A
P
DATA
A
S
DADR
W
TWD
Three bytes internal address
Two bytes internal address
One byte internal address
TWD
TWD
S
DADR
W
A
IADR(23:16)
A
IADR(15:8)
A
IADR(7:0)
A
S
DADR
W
A
IADR(15:8)
A
IADR(7:0)
A
A
IADR(7:0)
A
S
DADR
W
DATA
N
P
Sr
DADR
R
A
Sr
DADR
R
A
DATA
N
P
Sr
DADR
R
A
DATA
N
P
TWD
TWD
TWD
Three bytes internal address
Two bytes internal address
One byte internal address
32058K AVR32-01/12