PIC16F1503-I/ST データシートの表示（PDF） - Microchip Technology

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PIC16F1503-I/ST

14-Pin Flash, 8-Bit Microcontrollers

Microchip Technology 

PIC16(L)F1503

19.8 Register Definitions: Timer1 Control

REGISTER 19-1: T1CON: TIMER1 CONTROL REGISTER

R/W-0/u

R/W-0/u

R/W-0/u

R/W-0/u

U-0

TMR1CS<1:0>

bit 7

T1CKPS<1:0>

—

R/W-0/u

T1SYNC

U-0

R/W-0/u

—

TMR1ON

bit 0

Legend:

R = Readable bit

u = Bit is unchanged

‘1’ = Bit is set

W = Writable bit

x = Bit is unknown

‘0’ = Bit is cleared

U = Unimplemented bit, read as ‘0’

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

bit 7-6

bit 5-4

bit 3

bit 2

bit 1

bit 0

TMR1CS<1:0>: Timer1 Clock Source Select bits

11 = Timer1 clock source is LFINTOSC

10 = Timer1 clock source is T1CKI pin (on the rising edge)

01 = Timer1 clock source is system clock (FOSC)

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

T1CKPS<1:0>: Timer1 Input Clock Prescale Select bits

11 = 1:8 Prescale value

10 = 1:4 Prescale value

01 = 1:2 Prescale value

00 = 1:1 Prescale value

Unimplemented: Read as ‘0’

T1SYNC: Timer1 Synchronization Control bit

1 = Do not synchronize asynchronous clock input

0 = Synchronize asynchronous clock input with system clock (FOSC)

Unimplemented: Read as ‘0’

TMR1ON: Timer1 On bit

1 = Enables Timer1

0 = Stops Timer1 and clears Timer1 gate flip-flop

DS40001607D-page 148

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