Datasheet

353
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
23.6.2 Transfer Control Register
Name: TR_CTRL
Access: Read-write
Reset: 0x00000000
• BTSIZE: Buffer Transfer Size
• TRWIDTH: Transfer Width Register
• IEN: Context Done Interrupt Enable
When set to zero, the transfer done status bit is set at the end of the transfer.
31 30 29 28 27 26 25 24
– – – – IEN – TRWIDTH
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
BTSIZE
76543210
BTSIZE
Value Name Description
00 BYTE The data size is 8-bit
01 HALFWORD The data size is 16-bit
10 WORD The data size is 32-bit