MEC1404 Datasheet, PDF (304/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
OFFSET ^08h
BITS
DESCRIPTION
2
Timer Start
This bit triggers the timer counter. The counter will operate until
it hits its terminating condition. This will clear this bit. It should
be noted that while operating in Auto Reload mode; there is no
terminating condition for the counter, so this bit will never clear.
Clearing this bit by firmware will reset the timer counter.
Setting this bit will:
Load the Pre-Load value into the counter.
Start the timer counter.
Clearing this bit will:
Reset the counter to 0.
Will not generate the interrupt.
The hardware will clear this bit for following conditions:
When One-Shot mode expires.
When TimerPreLoad = TimerCountValue=0
1
Auto Reload
This will select the action taken upon completing a count.
0: The counter will simply enter a done state and wait for further
control inputs. One-Shot mode.
1: The counter will automatically restart the count using the RTOS
Timer Pre-load value. Continuous mode.
0
Block Enable
This bit enables the block for operation.
0: This bit will gate Timer clock and go into its lowest power state.
Falling edge of this bit will clear all the timer logic and register bits
to default state.
1: This block will function normally.
Note: Registers are always accessible regardless of the state
of this bit.
TYPE
R/W
R/W
R/W
DEFAULT
RESET
EVENT
0h
nSYSR
ST
0h
nSYSR
ST
0h
nSYSR
ST
DS00001956D-page 304
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