SEC2410 datasheet(80/283 Pages) MICROCHIP

80 / 283 page

SEC2410/SEC4410

DS00001587C-page 80

 2013 - 2014 Microchip Technology Inc.

11.6.1.2

Timer Gate Function

The TINx pin on each timer can be used to pause the timer’s operation when the timer is running. The timer will stop

counting when the TINx pin is deasserted and count when the TINx pin is asserted. Figure 11-4 shows the timer behav-

ior when the TINx pin is used to gate the timer function. The UPDN bit is used to enable and disable the Timer Gate

function when in the Timer mode.

11.6.1.3

Timer Mode Pulse Output

The four Timers can be used to generate a periodic output pulse. The output pulse changes state each time the timer

underflows. The output is also cleared when the EN bit is cleared. Figure 11-5 shows the behavior of the TOUTx pin

when it is used as a pulse output pin.

FIGURE 11-2:

RELOAD MODE BEHAVIOR

FIGURE 11-3:

FREE RUNNING MODE BEHAVIOR

FIGURE 11-4:

TIMER GATE OPERATION

80C4h

80C6h

80C5h

80C3h

80C2h

Timer Value

Timer Enable Bit

Timer Clock

Timer Interrupt

AAFFh

AAFEh AAFDh AAFCh

0001h

0000h

AAFEh AAFDh

AAFFh

80C4h

80C6h

80C5h

80C3h

80C2h

Timer Value

Timer Enable Bit

Timer Clock

Timer Interrupt

AAFFh

AAFEh AAFDh AAFCh

0001h

0000h

FFFEh FFFDh

FFFFh

Timer Value

Timer Enable Bit

Timer Clock

TINx

0x80C4

Timer Interrupt

0xFFFE

0xFFFE 0xFFFD 0xFFFC

0x80C6 0x80C5

0x80C3 0x80C2

0x0001 0x0000

0xFFFE 0xFFFD

0xFFFF

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