HD6473032F16 Datasheet, PDF (413/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Section 10 16-Bit Integrated Timer Unit (ITU)
Contention between TCNT Word Write and Increment: If an increment pulse occurs in the T₃
state of a TCNT word write cycle, writing takes priority and TCNT is not incremented. See figure
10.62.
TCNT word write cycle
T₁
T₂
T₃
φ
Address bus
TCNT address
Internal write signal
TCNT input clock
TCNT
N
M
TCNT write data
Figure 10.62 Contention between TCNT Word Write and Increment
Rev. 3.00 Mar 21, 2006 page 383 of 814
REJ09B0302-0300