PIC876 datasheet(60/218 Pages) MICROCHIP

60 / 218 page

PIC16F87X

DS30292C-page 58

 2001 Microchip Technology Inc.

CCP1CON REGISTER/CCP2CON REGISTER (ADDRESS: 17h/1Dh)

U-0

R/W-0

—

CCPxX

CCPxY

CCPxM3

CCPxM2

CCPxM1

CCPxM0

bit 7

bit 0

bit 7-6

Unimplemented: Read as '0'

bit 5-4

CCPxX:CCPxY: PWM Least Significant bits

Capture mode:

Unused

Compare mode:

Unused

PWM mode:

These bits are the two LSbs of the PWM duty cycle. The eight MSbs are found in CCPRxL.

bit 3-0

CCPxM3:CCPxM0: CCPx Mode Select bits

0000

= Capture/Compare/PWM disabled (resets CCPx module)

0100

= Capture mode, every falling edge

0101

= Capture mode, every rising edge

0110

= Capture mode, every 4th rising edge

0111

= Capture mode, every 16th rising edge

1000

= Compare mode, set output on match (CCPxIF bit is set)

1001

= Compare mode, clear output on match (CCPxIF bit is set)

1010

= Compare mode, generate software interrupt on match (CCPxIF bit is set, CCPx pin is

unaffected)

1011

= Compare mode, trigger special event (CCPxIF bit is set, CCPx pin is unaffected); CCP1

resets TMR1; CCP2 resets TMR1 and starts an A/D conversion (if A/D module is

enabled)

11xx

=PWM mode

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

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