Datasheet

Section 12 Timer Z
Rev. 4.00 Mar. 15, 2006 Page 236 of 556
REJ09B0026-0400
Contention between TCNT Write and Increment Operations: If incrementation is done in the
T
2
state of a TCNT write cycle, TCNT writing has priority. Figure 12.53 shows the timing in this
case.
T 1 T 2
TCNT
TCNT write cycle
TCNT address
WTCNT
(internal write signal)
TCNT input clock
TCNT write data
N
M
φ
Figure 12.53 Contention between TCNT Write and Increment Operations