SAM4L Datasheet, PDF (817/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

• ABETRG: TIOA or TIOB External Trigger Selection
1: TIOA is used as an external trigger.
0: TIOB is used as an external trigger.
• ETRGEDG: External Trigger Edge Selection
ETRGEDG
0
1
2
3
Edge
none
rising edge
falling edge
each edge
• LDBDIS: Counter Clock Disable with RB Loading
1: Counter clock is disabled when RB loading occurs.
0: Counter clock is not disabled when RB loading occurs.
• LDBSTOP: Counter Clock Stopped with RB Loading
1: Counter clock is stopped when RB loading occurs.
0: Counter clock is not stopped when RB loading occurs.
• BURST: Burst Signal Selection
BURST
0
1
2
3
Burst Signal Selection
The clock is not gated by an external signal
XC0 is ANDed with the selected clock
XC1 is ANDed with the selected clock
XC2 is ANDed with the selected clock
• CLKI: Clock Invert
1: The counter is incremented on falling edge of the clock.
0: The counter is incremented on rising edge of the clock.
• TCCLKS: Clock Selection
TCCLKS
0
1
2
3
4
5
6
7
Clock Selected
TIMER_CLOCK1
TIMER_CLOCK2
TIMER_CLOCK3
TIMER_CLOCK4
TIMER_CLOCK5
XC0
XC1
XC2
42023C–SAM–02/2013
ATSAM4L4/L2
817