TMP92CZ26A

92CZ26A-586

2. Disabling the timer
Carry of a timer is prohibited when write “0” to PAGER<ENATMR> and can
prevent malfunction by 1s Carry hold circuit. Durin g a timer prohibited, 1s Carry
hold circuit holds one sec. carry signal, which is generated from divider. After
becoming timer enab le state, out put t he carry sign al to tim er and revise time and
continue operation. However, timer is late when timer-disabling state continues
for one second or more. During timer disabling, pay attention with system power
is downed. In this case the timer is stopp ed a nd time is delayed.
Figure 3.21.5 Flowchart of Clock disable
Start
End
Disable the clock
Read the clock data
Enable the clock
Note:
This period is within
0.5 secound.