SAM3A8C Atmel Corporation, SAM3A8C Datasheet - Page 741
SAM3A8C
Manufacturer Part Number
SAM3A8C
Description
Manufacturer
Atmel Corporation
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33.11.2
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.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
Value
31
23
15
0
1
2
3
–
–
–
7
–
TWI Master Mode Register
TWI_MMR
0x4008C004 (0), 0x40090004 (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
–
IADRSZ
SAM3X/A
SAM3X/A
24
16
–
8
0
–
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