Datasheet

SAM9263 [DATASHEET]
Atmel-6249N-ATARM-SAM9263-Datasheet_14-Mar-16
504
32.9.2 TWI Master Mode Register
Name: TWI_MMR
Access: Read/Write
• 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.
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
76543210
––––––––
Value Name Description
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