PIC24F08KL402 datasheet(121/260 Pages) MICROCHIP

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 2011 Microchip Technology Inc.

DS31037B-page 121

PIC24F16KL402 FAMILY

T3GCON: TIMER3 GATE CONTROL REGISTER(1)

U-0

—

bit 15

bit 8

R/W-0

R-x

R/W-0

TMR3GE

T3GPOL

T3GTM

T3GSPM

T3GGO/

T3DONE

T3GVAL

T3GSS1

T3GSS0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 15-8

Unimplemented:

Read as ‘0’

bit 7

TMR3GE:

Timer Gate Enable bit

If TMR3ON = 0:

This bit is ignored.

If TMR3ON = 1:

= Timer counting is controlled by the Timer3 gate function

= Timer counts regardless of the Timer3 gate function

bit 6

T3GPOL:

Gate Polarity bit

= Timer gate is active-high (Timer3 counts when the gate is high)

= Timer gate is active-low (Timer3 counts when the gate is low)

bit 5

T3GTM:

Gate Toggle Mode bit

= Timer Gate Toggle mode is enabled.

= Timer Gate Toggle mode is disabled and toggle flip-flop is cleared

Timer3 gate flip-flop toggles on every rising edge.

bit 4

T3GSPM:

Timer Gate Single Pulse Mode bit

= Timer Gate Single Pulse mode is enabled and is controlling Timer3 gate

= Timer Gate Single Pulse mode is disabled

bit 3

T3GGO/T3DONE:

Timer Gate Single Pulse Acquisition Status bit

= Timer gate single pulse acquisition is ready, waiting for an edge

= Timer gate single pulse acquisition has completed or has not been started

This bit is automatically cleared when TxGSPM is cleared.

bit 2

T3GVAL:

Timer Gate Current State bit

Indicates the current state of the Timer gate that could be provided to the TMR3 register; unaffected by

the state of TMR3GE.

bit 1-0

T3GSS<1:0>:

Timer Gate Source Select bits

= Comparator 2 output

= Comparator 1 output

= TMR2 to match PR2 output

= T3G input pin

Note 1:

Initializing T3GCON prior to T3CON is recommended.

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