RX610 Group
15. 16-Bit Timer Pulse Unit (TPU)
R01UH0032EJ0120 Rev.1.20
Page 506 of 1006
Feb 20, 2013
(c)
Phase counting mode 3
Figure 15.28 shows an example of phase counting mode 3 operation, and table 15.29 lists the TPUm.TCNT
up-/down-count conditions.
TCLKA (TPU1, TPU5)
TCLKC (TPU2, TPU4)
TCLKB (TPU1, TPU5)
TCLKD (TPU2, TPU4)
TCNT value
Up-count
Down-count
Time
Figure 15.28 Example of Phase Counting Mode 3 Operation
Table 15.29 Up-/Down-Count Conditions in Phase Counting Mode 3
TCLKA (TPU1, TPU5)
TCLKC (TPU2, TPU4)
TCLKB (TPU1, TPU5)
TCLKD (TPU2, TPU4)
Operation
High level
Don't care
Low level
Don't care
Low level
Don't care
High level
Up-count
High level
Down-count
Low level
Don't care
High level
Don't care
Low level
Don't care
[Legend]
: Rising edge
: Falling edge