AT91FR40161 ATMEL Corporation, AT91FR40161 Datasheet - Page 138

• Manufacturer Part Number: AT91FR40161
• Description: The AT91FR40161 Features 136 K Bytes of On-chip SRAM, 2M Bytes of Flash, an External Bus Interface, a 3-channel Timer/Counter, 2 ...
• Manufacturer: ATMEL Corporation

• CPCDIS: Counter Clock Disable with RC Compare (Code Label TC_CPCDIS)
0 = Counter clock is not disabled when counter reaches RC.
1 = Counter clock is disabled when counter reaches RC.
• EEVTEDG: External Event Edge Selection
• EEVT: External Event Selection
Note:
• ENETRG: External Event Trigger Enable (Code Label TC_ENETRG)
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 (Code Label TC_CPCTRG)
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 (Code Label TC_WAVE)
0 = Waveform Mode is disabled (Capture Mode is enabled).
1 = Waveform Mode is enabled.
• ACPA: RA Compare Effect on TIOA
138
0
0
1
1
0
0
1
1
0
0
1
1
If TIOB is chosen as the external event signal, it is configured as an input and no longer generates waveforms.
EEVTEDG
AT91X40 Series
ACPA
EEVT
0
1
0
1
0
1
0
1
0
1
0
1
Edge
None
Rising edge
Falling edge
Each edge
Effect
None
Set
Clear
Toggle
TIOB
XC0
XC1
XC2
Signal Selected as
External Event
Input
Output
Output
Output
TIOB Direction
(1)
TC_EEVTEDG_FALLING_EDGE
TC_EEVTEDG_RISING_EDGE
TC_ACPA_TOGGLE_OUTPUT
TC_EEVTEDG_EDGE_NONE
TC_EEVTEDG_BOTH_EDGE
TC_ACPA_CLEAR_OUTPUT
TC_ACPA_OUTPUT_NONE
TC_ACPA_SET_OUTPUT
TC_EEVT_TIOB
TC_EEVT_XC0
TC_EEVT_XC1
TC_EEVT_XC2
TC_EEVTEDG
Code Label
Code Label
Code Label
TC_ACPA
TC_EEVT
1354D–ATARM–08/02