Toshiba H1 Series Data Book page 586

3.21.5 Operational description
(1) Reading timer data
There is the case, which reads wrong data when carry of the inside counter happens
during the operation which clock data reads. Therefore please read two times with the
following way for reading correct data.
Start
PAGER<PAGE> = "0" ,
Select PAGE0
Read the clock data
(1st)
Read the clock data
(2nd)
1st data = 2nd data
END
Figure 3.21.2 Flowchart of timer data read
92CZ26A-583
NO
YES
TMP92CZ26A