CF745 datasheet(32/217 Pages) MICROCHIP

部件名	CF745

功能描述	EPROM/ROM-Based 8-Bit CMOS Microcontroller Series

PDF	217 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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32 / 217 page

PIC16C5X

DS30453B-page 32

Preliminary

FIGURE 7-2:

CONFIGURATION WORD FOR PIC16C52/C54/C54A/C55/C56/C57/C58A

—

WDTE FOSC1 FOSC0

CONFIG

Address(1):

FFFh

bit11

987654321

bit0

bit 11-4: Unimplemented: Read as ’0’

bit 3:

CP: Code protection bit.

1 = Code protection off

0 = Code protection on

bit 2:

WDTE: Watchdog timer enable bit

(not implemented on PIC16C52)

1 = WDT enabled

0 = WDT disabled

bit 1-0:

FOSC1:FOSC0: Oscillator selection bits(2)

11 = RC oscillator

10 = HS oscillator

01 = XT oscillator

00 = LP oscillator

Note 1:

Refer to the PIC16C5X Programming Speciﬁcations (Literature Number DS30190) to deter-

mine how to access the conﬁguration word.

PIC16C52 supports XT and RC oscillator only.

PIC16LV54A supports XT, RC and LP oscillator only.

PIC16LV58A supports XT, RC and LP oscillator only.

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