HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 695

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

11.10.11 Contention between Overflow/Underflow and Counter Clearing
If overflow/underflow and counter clearing occur simultaneously, the TCFV/TCFU flag in TSR is
not set and TCNT clearing takes precedence.
Figure 11.52 shows the operation timing when a TGR compare match is specified as the clearing
source, and H'FFFF is set in TGR.
Figure 11.52 Contention between Overflow and Counter Clearing
φ
TCNT input
clock
TCNT
Counter
clearing signal
TGF
TCFV
H'FFFF
Disabled
Rev.7.00 Mar. 18, 2009 page 627 of 1136
Section 11 16-Bit Timer Pulse Unit (TPU)
H'0000
REJ09B0109-0700