SAM3SD8B Atmel Corporation, SAM3SD8B Datasheet - Page 632

• Manufacturer Part Number: SAM3SD8B
• Manufacturer: Atmel Corporation

29.11.2
Name:
Address:
Access:
Reset:
• IADRSZ: Internal Device Address Size
• MREAD: Master Read Direction
0 = Master write direction.
1 = Master read direction.
• DADR: Device Address
The device address is used to access slave devices in read or write mode. Those bits are only used in Master mode.
632
632
Value
31
23
15
0
1
2
3
–
–
–
7
–
SAM3S8/SD8
SAM3S8/SD8
TWI Master Mode Register
TWI_MMR
0x40018004 (0), 0x4001C004 (1)
Read-write
0x00000000
Name
NONE
1_BYTE
2_BYTE
3_BYTE
30
22
14
–
–
6
–
Description
No internal device address
One-byte internal device address
Two-byte internal device address
Three-byte internal device address
29
21
13
–
–
5
–
MREAD
28
20
12
–
4
–
DADR
27
19
11
–
–
3
–
26
18
10
–
–
2
–
25
17
–
9
1
–
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
IADRSZ
24
16
–
8
0
–