PIC16F1516 datasheet(167/344 Pages) MICROCHIP

167 / 344 page

 2011 Microchip Technology Inc.

Preliminary

DS41452B-page 167

PIC16(L)F1516/7/8/9

18.11 Timer1 Control Register

The Timer1 Control register (T1CON), shown in

various features of the Timer1 module.

T1CON: TIMER1 CONTROL REGISTER

R/W-0/u

U-0

R/W-0/u

TMR1CS<1:0>

T1CKPS<1:0>

T1OSCEN

T1SYNC

—TMR1ON

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-6

TMR1CS<1:0>:

Timer1 Clock Source Select bits

= Timer1 clock source is LFINTOSC

= Timer1 clock source is pin or oscillator:

If T1OSCEN = 0:

External clock from T1CKI pin (on the rising edge)

If T1OSCEN = 1:

Crystal oscillator on SOSCI/SOSCO pins

= Timer1 clock source is system clock (FOSC)

= Timer1 clock source is instruction clock (FOSC/4)

bit 5-4

T1CKPS<1:0>:

Timer1 Input Clock Prescale Select bits

= 1:8 Prescale value

= 1:4 Prescale value

= 1:2 Prescale value

= 1:1 Prescale value

bit 3

T1OSCEN:

LP Oscillator Enable Control bit

= Secondary oscillator circuit enabled for Timer1

= Secondary oscillator circuit disabled for Timer1

bit 2

T1SYNC:

Timer1 External Clock Input Synchronization Control bit

TMR1CS<1:0> = 1X:

= Do not synchronize external clock input

= Synchronize external clock input with system clock (FOSC)

TMR1CS<1:0> = 0X:

This bit is ignored.

bit 1

Unimplemented:

Read as ‘0’

bit 0

TMR1ON:

Timer1 On bit

= Enables Timer1

= Stops Timer1

Clears Timer1 Gate flip-flop

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