Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
665
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
• ETRGEDG: External Trigger Edge Selection
• ABETRG: TIOA or TIOB External Trigger Selection
0: TIOB is used as an external trigger.
1: TIOA is used as an external trigger.
• CPCTRG: RC Compare Trigger Enable
0: RC Compare has no effect on the counter and its clock.
1: RC Compare resets the counter and starts the counter clock.
• WAVE: Waveform Mode
0: Capture Mode is enabled.
1: Capture Mode is disabled (Waveform Mode is enabled).
• LDRA: RA Loading Edge Selection
• LDRB: RB Loading Edge Selection
Value
Name
Description
0
NONE
The clock is not gated by an external signal.
1
RISING
Rising edge
2
FALLING
Falling edge
3
EDGE
Each edge
Value
Name
Description
0
NONE
None
1
RISING
Rising edge of TIOA
2
FALLING
Falling edge of TIOA
3
EDGE
Each edge of TIOA
Value
Name
Description
0
NONE
None
1
RISING
Rising edge of TIOA
2
FALLING
Falling edge of TIOA
3
EDGE
Each edge of TIOA