HD64F3039F18 Datasheet, PDF (301/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Section 8 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 8.62.
TCNT word write cycle
T₁
T₂
T₃
φ
Address
TCNT address
Internal write signal
TCNT input clock
TCNT
N
M
TCNT write data
Figure 8.62 Contention between TCNT Word Write and Increment
Rev.3.00 Mar. 26, 2007 Page 277 of 682
REJ09B0353-0300