
307
Chapter 9
16-Bit Timer/Event Counter P
User’s Manual U16580EE3V1UD00
(2)
Alternating pulse width and pulse space measurement
The pulse period of a signal can be measured in the pulse width measurement mode alternating in
one capture register, when the edge detection of one of the inputs TIPn0 and TIPn1 is set to “both
rising and falling edges”. The detection of the other input should be set to “no edge detection”.
By detection of a falling or rising edge the resulting value is captured in the corresponding capture
register (TPnCCR0 or TPnCCR1), and the timer is cleared and restarts counting.
Figure 9-35:
Flowchart of Alternating Pulse Width and Pulse Space Measurement
Note:
External pulse input is possible for both TIPn0 and TIPn1, but only one should be selected for
the alternating pulse width and pulse space measurement.
Specify “both rising and the falling edges” for edge detection. Specify the edge of the external
input pulse that is not used as “no edge detection”.
Remark:
n = 0 to 7
m = 0, 1
START
Initial settings
•
Clock selection
(TPnCTL0: TPnCKS2 to TPnCKS0)
•
Pulse width measurement mode setting
(TPnCTL1: TPnMD2 to TPnMD0 =
110B)
•
Capture register setting
(TPnCCR0, TPnCCR1)
Timer operation enable (TPnCE = 1)
Rising edge input to TIPnm, capture of
value to TPnCCRm, 16-bit counter
clear & start
TIPn1/TIPn0 edge detection setting
Note
(TPnIS3 to TPnIS0)
Falling edge input to TIPnm, capture of
value to TPnCCRm, 16-bit counter
clear & start
Summary of Contents for MuPD70F3187
Page 6: ...6 Preface User s Manual U16580EE3V1UD00 ...
Page 16: ...16 User s Manual U16580EE3V1UD00 ...
Page 28: ...28 User s Manual U16580EE3V1UD00 ...
Page 32: ...32 User s Manual U16580EE3V1UD00 ...
Page 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Page 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Page 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 ...
Page 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Page 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Page 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Page 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Page 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
Page 1052: ...1052 User s Manual U16580EE3V1UD00 ...
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