PIC16C56AT/SS View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16C56AT/SS Datasheet PDF : 192 Pages
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PIC16C5X
9.1 Configuration Bits
Configuration bits can be programmed to select various
device configurations. Two bits are for the selection of
the oscillator type and one bit is the Watchdog Timer
enable bit. Nine bits are code protection bits for the
PIC16C54A,
PIC16CR54A,
PIC16C54C,
PIC16CR54C,
PIC16C55A,
PIC16C56A,
PIC16CR56A,
PIC16C57C,
PIC16CR57C,
PIC16C58B, and PIC16CR58B devices (Register 9-1).
One bit is for code protection for the PIC16C54,
PIC16C55, PIC16C56 and PIC16C57 devices
(Register 9-2).
QTP or ROM devices have the oscillator configuration
programmed at the factory and these parts are tested
accordingly (see "Product Identification System" dia-
grams in the back of this data sheet).
REGISTER 9-1: CONFIGURATION WORD FOR PIC16C54A/CR54A/C54C/CR54C/C55A/C56A/
CR56A/C57C/CR57C/C58B/CR58B
CP
CP
CP
CP
CP
CP
CP
CP
CP
WDTE FOSC1 FOSC0
bit 11
bit 0
bit 11-3:
bit 2:
bit 1-0:
CP: Code Protection Bit
1 = Code protection off
0 = Code protection on
WDTE: Watchdog timer enable bit
1 = WDT enabled
0 = WDT disabled
FOSC1:FOSC0: Oscillator Selection Bit
00 = LP oscillator
01 = XT oscillator
10 = HS oscillator
11 = RC oscillator
Note 1: Refer to the PIC16C5X Programming Specification (Literature Number DS30190) to determine how to
access the configuration word.
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
1 = bit is set
U = Unimplemented bit, read as ‘0’
0 = bit is cleared
x = bit is unknown
DS30453E-page 44
Preliminary
1997-2013 Microchip Technology Inc.
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