H8S2117 Datasheet, PDF (372/968 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2100 Series

Section 12 16-Bit Duty Period Measurement Timer (TDP)
Figure 12.8 shows an example of timing in cycle measurement.
φ
TDPCYI
TDPCNT
clear signal
TDPCNT
input clock
TDPCNT
M H'0000
TDPICR
L
TDPWDMX/TDPWDMN/
TDPPDMX/TDPPDMN
TDPICRF
K
H'0001
M
L
N-1
1
N
H'0000 H'0001
N
M
1
Figure 12.8 Example of Timing in Cycle Measurement
When the PMMS bit in TDPCR2 is set to 1, cycle measurement is performed only while the
TDPMCI signal is high. Figure 12.9 shows an example of timing in cycle measurement when the
PMMS bit is set to 1.
φ
TDPCYI
TDPMCI
TDPCNT
M
TDPICR
L
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 8 9AB0 1 2 3 4 5
M H'0003 H'0007 H'0005 H'000B
H'0006
H'0003
Figure 12.9 Example of Timing in Cycle Measurement (PMMS Bit = 1).
Rev. 2.00 Feb. 20, 2008 Page 348 of 940
REJ09B0350-0200