RX610 Group
15. 16-Bit Timer Pulse Unit (TPU)
R01UH0032EJ0120 Rev.1.20
Page 507 of 1006
Feb 20, 2013
(d)
Phase counting mode 4
Figure 15.29 shows an example of phase counting mode 4 operation, and table 15.30 lists the TPUm.TCNT
up-/down-count conditions.
TCLKA (TPU1, TPU5)
TCLKC (TPU2, TPU4)
TCLKB (TPU1, TPU5)
TCLKD (TPU2, TPU4)
TCNT value
Time
Down-count
Up-count
Figure 15.29 Example of Phase Counting Mode 4 Operation
Table 15.30 Up-/Down-Count Conditions in Phase Counting Mode 4
TCLKA (TPU1, TPU5)
TCLKC (TPU2, TPU4)
TCLKB (TPU1, TPU5)
TCLKD (TPU2, TPU4)
Operation
High level
Up-count
Low level
Low level
Don't care
High level
High level
Down-count
Low level
High level
Don't care
Low level
[Legend]
: Rising edge
: Falling edge