Datasheet

SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
1400
46.7.2 DACC Mode Register
Name: DACC_MR
Address: 0x400B8004
Access: Read/Write
This register can only be written if the WPEN bit is cleared in the DACC Write Protection Mode Register.
• TRGEN: Trigger Enable
• TRGSEL: Trigger Selection
• WORD: Word Transfer
• ONE: Must Be Set to 1
Bit 8 must always be set to 1 when programming the DACC_MR
• USER_SEL: User Channel Selection
31 30 29 28 27 26 25 24
– – STARTUP
23 22 21 20 19 18 17 16
– CLKDIV MAXS TAG – – USER_SEL
15 14 13 12 11 10 9 8
–––––––ONE
76543210
–––WORD TRGSEL TRGEN
Value Name Description
0 DIS External trigger mode disabled. DACC in free-running mode.
1 EN External trigger mode enabled.
Value Name Description
0 TRGSEL0 External trigger
1 TRGSEL1 TIO Output of the Timer Counter Channel 0
2 TRGSEL2 TIO Output of the Timer Counter Channel 1
3 TRGSEL3 TIO Output of the Timer Counter Channel 2
4 TRGSEL4 PWM Event Line 0
5 TRGSEL5 PWM Event Line 1
6 TRGSEL6 Reserved
Value Name Description
0 HALF Half-word transfer
1 WORD Word transfer
Value Name Description
0 CHANNEL0 Channel 0
1 CHANNEL1 Channel 1