PIC16F870/871
TABLE 8-2:
REGISTERS ASSOCIATED WITH CAPTURE, COMPARE, AND TIMER1
Value on: Value on
Address Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
POR,
BOR
all other
resets
0Bh,8Bh, INTCON
10Bh,18Bh
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF 0000 000x 0000 000u
0Ch
8Ch
87h
0Eh
0Fh
10h
15h
16h
17h
PIR1
PSPIF(1) ADIF
RCIF
TXIF
—
—
CCP1IF TMR2IF TMR1IF 0000 -000 0000 -000
CCP1IE TMR2IE TMR1IE 0000 -000 0000 -000
1111 1111 1111 1111
PIE1
PSPIE(1) ADIE
RCIE
TXIE
TRISC
TMR1L
TMR1H
T1CON
PORTC Data Direction Register
Holding register for the Least Significant Byte of the 16-bit TMR1 register
Holding register for the Most Significant Byte of the 16-bit TMR1 register
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
—
—
T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON --00 0000 --uu uuuu
CCPR1L Capture/Compare/PWM register1 (LSB)
CCPR1H Capture/Compare/PWM register1 (MSB)
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
CCP1CON
—
—
CCP1X
CCP1Y
CCP1M3 CCP1M2 CCP1M1 CCP1M0 --00 0000 --00 0000
Legend: x= unknown, u= unchanged, -= unimplemented read as ’0’. Shaded cells are not used by Capture and Timer1.
Note 1:The PSP is not implemented on the PIC16F870; always maintain these bits clear.
TABLE 8-3:
REGISTERS ASSOCIATED WITH PWM AND TIMER2
Value on: Value on
Address Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
POR,
BOR
all other
resets
0Bh,8Bh, INTCON
10Bh,18Bh
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x 0000 000u
0Ch
8Ch
87h
11h
92h
12h
15h
16h
17h
PIR1
PSPIF(1)
PSPIE(1)
ADIF
ADIE
RCIF
RCIE
TXIF
TXIE
—
—
CCP1IF TMR2IF TMR1IF 0000 -000 0000 -000
CCP1IE TMR2IE TMR1IE 0000 -000 0000 -000
1111 1111 1111 1111
PIE1
TRISC
TMR2
PR2
PORTC Data Direction Register
Timer2 module’s register
0000 0000 0000 0000
Timer2 module’s period register
1111 1111 1111 1111
T2CON
—
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0
-000 0000 -000 0000
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
CCP1Y CCP1M3 CCP1M2 CCP1M1 CCP1M0
--00 0000 --00 0000
CCPR1L Capture/Compare/PWM register1 (LSB)
CCPR1H Capture/Compare/PWM register1 (MSB)
CCP1CON
—
—
CCP1X
Legend: x= unknown, u= unchanged, -= unimplemented read as '0'. Shaded cells are not used by PWM and Timer2.
Note 1:Bits PSPIE and PSPIF are reserved on the PIC16F870; always maintain these bits clear.
1999 Microchip Technology Inc.
Preliminary
DS30569A -page 61
MICROCHIP [ MICROCHIP ]
