Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
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34.11.4 TWI Internal Address Register
Name: TWI_IA
DR
Address:
0x4001800C (0), 0x4001C00C (1)
Access: Read-writ
e
Reset:
0x00000000
• IADR: Internal Address
0, 1, 2 or 3 bytes depending on IADRSZ.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
IADR
15
14
13
12
11
10
9
8
IADR
7
6
5
4
3
2
1
0
IADR