PIC16F883-ESLASHSO. datasheet(146/338 Pages) MICROCHIP

146 / 338 page

PIC16F882/883/884/886/887

DS41291G-page 146

 2006-2012 Microchip Technology Inc.

ECCPAS: ENHANCED CAPTURE/COMPARE/PWM AUTO-SHUTDOWN

CONTROL REGISTER

R/W-0

ECCPASE

ECCPAS2

ECCPAS1

ECCPAS0

PSSAC1

PSSAC0

PSSBD1

PSSBD0

bit 7

bit 0

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

bit 7

ECCPASE: ECCP Auto-Shutdown Event Status bit

1 = A shutdown event has occurred; ECCP outputs are in shutdown state

0 = ECCP outputs are operating

bit 6-4

ECCPAS<2:0>: ECCP Auto-shutdown Source Select bits

000 = Auto-Shutdown is disabled

001 = Comparator C1 output high

010 = Comparator C2 output high(1)

011 = Either Comparators output is high

100 =VIL on INT pin

101 =VIL on INT pin or Comparator C1 output high

110 =VIL on INT pin or Comparator C2 output high

111 =VIL on INT pin or either Comparators output is high

bit 3-2

PSSACn: Pins P1A and P1C Shutdown State Control bits

00 = Drive pins P1A and P1C to ‘0’

01 = Drive pins P1A and P1C to ‘1’

1x = Pins P1A and P1C tri-state

bit 1-0

PSSBDn: Pins P1B and P1D Shutdown State Control bits

00 = Drive pins P1B and P1D to ‘0’

01 = Drive pins P1B and P1D to ‘1’

1x = Pins P1B and P1D tri-state

Note 1:

If C2SYNC is enabled, the shutdown will be delayed by Timer1.

Note 1: The auto-shutdown condition is a level-

based signal, not an edge-based signal.

As long as the level is present, the auto-

shutdown will persist.

2: Writing to the ECCPASE bit is disabled

while

auto-shutdown

condition

persists.

3: Once the auto-shutdown condition has

been removed and the PWM restarted

(either through firmware or auto-restart)

the PWM signal will always restart at the

beginning of the next PWM period.

PIC16F883-E/SO. 데이터시트(PDF) 146 Page - Microchip Technology

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