PIC16F870-I/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F870-I/SP

28/40-Pin, 8-Bit CMOS FLASH Microcontrollers

Microchip Technology 

PIC16F870/871

TABLE 6-2: REGISTERS ASSOCIATED WITH TIMER1 AS A TIMER/COUNTER

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, INTCON GIE

10Bh,

18Bh

0Ch

PIR1

PSPIF(1)

8Ch

PIE1

PSPIE(1)

PEIE

ADIF

ADIE

T0IE

RCIF

RCIE

INTE

TXIF

TXIE

RBIE

T0IF

INTF

RBIF 0000 000x 0000 000u

—

CCP1IF TMR2IF TMR1IF 0000 -000 0000 -000

—

CCP1IE TMR2IE TMR1IE 0000 -000 0000 -000

0Eh

TMR1L Holding register for the Least Significant Byte of the 16-bit TMR1 register

xxxx xxxx uuuu uuuu

0Fh

TMR1H Holding register for the Most Significant Byte of the 16-bit TMR1 register

xxxx xxxx uuuu uuuu

10h

T1CON

—

— T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON --00 0000 --uu uuuu

Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by the Timer1 module.

Note 1: Bits PSPIE and PSPIF are reserved on the PIC16F870; always maintain these bits clear.

DS30569A-page 54

Preliminary

© 1999 Microchip Technology Inc.

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