AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 98

• Manufacturer Part Number: AT91M40400-25C
• Description: 16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
• Manufacturer: ATMEL Corporation

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Note:
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EEVTEDG
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
AEEVT
EEVTEDG: External Event Edge Selection
EEVT: External Event Selection
ENETRG: External Event Trigger Enable
0 = The external event has no effect on the counter and its clock. In this case, the selected external event only controls
the TIOA output.
1 = The external event resets the counter and starts the counter clock.
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 = 1
0 = Waveform Mode is disabled (Capture Mode is enabled).
1 = Waveform Mode is enabled.
ACPA: RA Compare Effect on TIOA
ACPC: RC Compare Effect on TIOA
AEEVT: External Event Effect on TIOA
98
ACPC
EEVT
ACPA
1.
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
If TIOB is chosen as the external event signal, it is configured as an input and no longer generates waveforms.
Edge
none
rising edge
falling edge
each edge
Signal selected
as external event
TIOB
XC0
XC1
XC2
Effect
none
set
clear
toggle
Effect
none
set
clear
toggle
Effect
none
set
clear
toggle
AT91M40400
TIOB Direction
input
output
output
output
(1)