Datasheet

SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
950
39.11.3 TSADCC Trigger Register
Name: TSADCC_TRGR
Address: 0xFFFB0008
Access: Read/Write
• TRGMOD: Trigger Mode
• TRGPER: Trigger Period
Effective only if TRGMOD defines a Periodic Trigger
Defines the periodic trigger period, with the following equations:
Trigger Period = (TRGPER+1) /ADCCLK
31 30 29 28 27 26 25 24
TRGPER
23 22 21 20 19 18 17 16
TRGPER
15 14 13 12 11 10 9 8
––––––––
76543210
–––––
TRGMOD
TRGMOD Selected Trigger Mode
0 0 0 No trigger, only software trigger can start conversions
0 0 1 External Trigger Rising Edge
0 1 0 External Trigger Falling Edge
0 1 1 External Trigger Any Edge
1 0 0 Pen Detect Trigger (shall be selected only if PENDET is set and TSAMOD = Touchscreen only mode)
1 0 1 Periodic Trigger (TRGPER shall be initiated appropriately)
1 1 0 Continuous Mode
111Reserved