PIC16F87 datasheet(80/230 Pages) MICROCHIP

80 / 230 page

PIC16F87/88

DS30487D-page 80

 2002-2013 Microchip Technology Inc.

T2CON: TIMER2 CONTROL REGISTER (ADDRESS 12h)

TABLE 8-1:

REGISTERS ASSOCIATED WITH TIMER2 AS A TIMER/COUNTER

U-0

R/W-0

—

TOUTPS3 TOUTPS2

TOUTPS1

TOUTPS0 TMR2ON T2CKPS1 T2CKPS0

bit 7

bit 0

bit 7

Unimplemented: Read as ‘0’

bit 6-3

TOUTPS<3:0>: Timer2 Output Postscale Select bits

0000

= 1:1 Postscale

0001

= 1:2 Postscale

0010

= 1:3 Postscale

•

1111

= 1:16 Postscale

bit 2

TMR2ON: Timer2 On bit

= Timer2 is on

= Timer2 is off

bit 1-0

T2CKPS<1:0>: Timer2 Clock Prescale Select bits

= Prescaler is 1

= Prescaler is 4

= Prescaler is 16

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

Address

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on

POR, BOR

Value on

all other

Resets

0Bh, 8Bh,

10Bh, 18Bh

INTCON GIE

PEIE

TMR0IE

INT0IE

RBIE

TMR0IF

INT0IF

RBIF

0000 000x 0000 000u

0Ch

PIR1

—

ADIF(1)

RCIF

TXIF

SSPIF

CCP1IF

TMR2IF

TMR1IF

-000 0000 -000 0000

8Ch

PIE1

—

ADIE(1)

RCIE

TXIE

SSPIE

CCP1IE

TMR2IE

TMR1IE -000 0000 -000 0000

11h

TMR2

Timer2 Module Register

0000 0000 0000 0000

12h

T2CON

—

TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0 -000 0000 -000 0000

92h

PR2

Timer2 Period Register

1111 1111 1111 1111

Legend:

= unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used by the Timer2 module.

Note

This bit is only implemented on the PIC16F88. The bit will read ‘0’ on the PIC16F87.

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