at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 250

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

19.14.2
Name:
Access:
Offset:
Reset Value: 0x00000000
•
•
•
32059J–12/2010
DADR: Device Address
MREAD: Master Read Direction
IADRSZ: Internal Device Address Size
31
23
15
–
–
–
7
–
0
0
1
1
The device address is used to access slave devices in read or write mode. Those bits are only used in Master mode.
0 = Master write direction.
1 = Master read direction.
IADRSZ[9:8]
Master Mode Register
MMR
Read-write
0x04
30
22
14
–
–
6
–
0
1
0
1
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
–
AT32UC3B
IADRSZ
24
16
–
8
0
–
250