Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート

SAM4E [DATASHEET]

Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14

852

Name: TWI_MMR

0x400A8004 (0), 0x400AC004 (1)

Access: Read/Write

0x00000000





0: Master write direction. 

1: Master read direction.



The device address is used to access slave devices in read or write mode. Those bits are only used in Master mode.

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

DADR

15

14

13

12

11

10

9

8

–

–

–

MREAD

–

–

IADRSZ

7

6

5

4

3

2

1

0

–

–

–

–

–

–

–

–

0

NONE

No internal device address

1

1_BYTE

One-byte internal device address

2

2_BYTE

Two-byte internal device address

3

3_BYTE

Three-byte internal device address