Datasheet

59
32142D–06/2013
ATUC64/128/256L3/4U
7.7.11 Mode Register
Name: MR
Access Type: Read/Write
Offset: 0x018 + n*0x040
Reset Value: 0x00000000
• RING: Ring Buffer
0:The Ring buffer functionality is disabled.
1:The Ring buffer functionality is enabled. When enabled, the reload registers, MARR and TCRR will not be cleared after reload.
• ETRIG: Event Trigger
0:Start transfer when the peripheral selected in Peripheral Select Register (PSR) requests a transfer.
1:Start transfer only when or after a peripheral event is received.
• SIZE: Size of Transfer
31 30 29 28 27 26 25 24
--------
23 22 21 20 19 18 17 16
--------
15 14 13 12 11 10 9 8
--------
76543210
- - - - RING ETRIG SIZE
Table 7-5. Size of Transfer
SIZE Size of Transfer
0 Byte
1 Halfword
2Word
3 Reserved