PIC18LF4331-ESLASHML datasheet(201/392 Pages) MICROCHIP

201 / 392 page

 2010 Microchip Technology Inc.

DS39616D-page 201

PIC18F2331/2431/4331/4431

FLTCONFIG: FAULT CONFIGURATION REGISTER

R/W-0

BRFEN

FLTBS(1)

FLTBMOD(1)

FLTBEN(1)

FLTCON(2)

FLTAS

FLTAMOD

FLTAEN

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

BRFEN:

Breakpoint Fault Enable bit

= Enable Fault condition on a breakpoint (i.e., only when PWMPIN = 1)

= Disable Fault condition

bit 6

FLTBS:

Fault B Status bit(1)

=FLTB is asserted:

if FLTBMOD = 0, cleared by the user;

if FLTBMOD = 1, cleared automatically at beginning of the new period when FLTB is deasserted

= No Fault

bit 5

FLTBMOD:

Fault B Mode bit(1)

= Cycle-by-Cycle mode: Pins are inactive for the remainder of the current PWM period or until FLTB

is deasserted; FLTBS is cleared automatically when FLTB is inactive (no Fault present)

= Inactive mode: Pins are deactivated (catastrophic failure) until FLTB is deasserted and FLTBS is

cleared by the user only

bit 4

FLTBEN:

Fault B Enable bit(1)

= Enable Fault B

= Disable Fault B

bit 3

FLTCON:

Fault Configuration bit(2)

=FLTA, FLTB or both deactivates all PWM outputs

=FLTA or FLTB deactivates PWM<5:0>

bit 2

FLTAS:

Fault A Status bit

=FLTA is asserted:

if FLTAMOD = 0, cleared by the user;

if FLTAMOD = 1, cleared automatically at beginning of the new period when FLTA is deasserted

= No Fault

bit 1

FLTAMOD:

Fault A Mode bit

= Cycle-by-Cycle mode: Pins are inactive for the remainder of the current PWM period or until FLTA is

deasserted; FLTAS is cleared automatically

= Inactive mode: Pins are deactivated (catastrophic failure) until FLTA is deasserted and FLTAS is

cleared by the user only

bit 0

FLTAEN:

Fault A Enable bit

= Enable Fault A

= Disable Fault A

Note 1:

Unimplemented in PIC18F2331/2431 devices; maintain these bits clear.

PWM<7:6> are implemented only on PIC18F4331/4431 devices. On PIC18F2331/2431 devices, setting or

clearing FLTCON has no effect.

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