Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Scheda Tecnica
Codici prodotto
AT91SAM9G25-EK
688
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
• LDBDIS: Counter Clock Disable with RB Loading
0 = Counter clock is not disabled when RB loading occurs.
1 = Counter clock is disabled when RB loading occurs.
• 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