PIC12F675T-ESLASHP datasheet(34/136 Pages) MICROCHIP

34 / 136 page

PIC12F629/675

DS41190G-page 34

 2010 Microchip Technology Inc.

T1CON: TIMER1 CONTROL REGISTER (ADDRESS: 10h)

U-0

R/W-0

—

TMR1GE

T1CKPS1

T1CKPS0

T1OSCEN

T1SYNC

TMR1CS

TMR1ON

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 7

Unimplemented: Read as ‘0’

bit 6

TMR1GE: Timer1 Gate Enable bit

If TMR1ON = 0:

This bit is ignored

If TMR1ON = 1:

= Timer1 is on if T1G pin is low

= Timer1 is on

bit 5-4

T1CKPS1:T1CKPS0: 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

If INTOSC without CLKOUT oscillator is active:

= LP oscillator is enabled for Timer1 clock

= LP oscillator is off

Else:

This bit is ignored

bit 2

T1SYNC: Timer1 External Clock Input Synchronization Control bit

TMR1CS = 1:

= Do not synchronize external clock input

= Synchronize external clock input

TMR1CS = 0:

This bit is ignored. Timer1 uses the internal clock.

bit 1

TMR1CS: Timer1 Clock Source Select bit

1 = External clock from T1OSO/T1CKI pin (on the rising edge)

0 = Internal clock (FOSC/4)

bit 0

TMR1ON: Timer1 On bit

= Enables Timer1

= Stops Timer1

PIC12F675T-E/P 数据表(PDF) 34 Page - Microchip Technology

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