AT32UC3C1512C Automotive Atmel Corporation, AT32UC3C1512C Automotive Datasheet - Page 1052
AT32UC3C1512C Automotive
Manufacturer Part Number
AT32UC3C1512C Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.AT32UC3C0512C_AUTOMOTIVE.pdf
(1312 pages)
3.AT32UC3C0512C_AUTOMOTIVE.pdf
(107 pages)
- AT90CAN128_AUTOMOTIVE PDF datasheet
- AT32UC3C0512C_AUTOMOTIVE PDF datasheet #2
- AT32UC3C0512C_AUTOMOTIVE PDF datasheet #3
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34.6.2.2
34.6.2.3
34.6.2.4
9166C–AVR-08/11
Capture register
Glitch filter
Timer/Counter mode
The capture function saves the QDEC counter value in the Capture register (CAP) when a cap-
ture event has occurred. The capture function is enabled if the QDEC counter is running.
The CAP register will not be updated with a new value if the previous value has not been read. If
a capture event occurs and the previous value has not been read, the SR.OVR bit is set.
The QDEC inputs (QEPA/QEPB/QEPI) are passed through a glitch filter that is enabled by writ-
ing a one to the CF.FILTEN bit. The input sent to the QDEC counter will toggle if the input is
stable for three CLK_QDEC_INT periods.
QDEC can be used as a 32-bit/counter with compare/capture capabilities. This timer includes an
up/down (UPD) mode where the timer counts up or down according to a toggle direction event
from the PEVC.
The timer/counter is available by writing a zero to the CF.QDEC bit. Timer/Counter mode uses
the same resources as QDEC mode:
It does not use the input filters and the index pulse control.
The timer/counter includes an up/down mode that is enabled by writing a one to the CF.UPD bit.
• The CNT QDEC counter
• The TOP register to reload the CNT value
• The CMP register to generate a compare peripheral event/interrupt
• The CAP register to save the CNT value in case of a capture peripheral event occurs
• The clock selection
• The trigger mechanism
AT32UC3C
1052
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