PIC18F44J50-I/ML【PDF 18/32 页】IC PIC MCU FLASH 16K 2V 44-QFN

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Sheet目录3861

14页 15页 16页 17页 [18页]19页 20页 21页 22页

2009 Microchip Technology Inc.

DS39687E-page 25

PIC18F2XJXX/4XJXX FAMILY

FOSC<2:0>

CONFIG2L(1,2)

Oscillator Selection bits

111 = EC+PLL (S/W controlled by PLLEN bit), CLKO on RA6

110 = EC oscillator (PLL always disabled) with CLKO on RA6

101 = HS+PLL (S/W controlled by PLLEN bit)

100 = HS oscillator (PLL always disabled)

011 = INTOSCPLLO, internal oscillator with PLL (S/W controlled by PLLEN bit), CLKO

on RA6, port function on RA7

010 = INTOSCPLL, internal oscillator with PLL (S/W controlled by PLLEN bit), port

function on RA6 and RA7

001 = INTOSCO, internal oscillator, INTOSC or INTRC (PLL always disabled), CLKO on

RA6, port function on RA7

000 = INTOSC, internal oscillator INTOSC or INTRC (PLL always disabled), port function

on RA6 and RA7

WDTPS<3:0>

CONFIG2H(1,2) Watchdog Timer Postscale Select bits

1111 = 1:32,768

1110 = 1:16,384

1101 = 1:8,192

1100 = 1:4,096

1011 = 1:2,048

1010 = 1:1,024

1001 = 1:512

1000 = 1:256

0111 = 1:128

0110 = 1:64

0101 = 1:32

0100 = 1:16

0011 = 1:8

0010 = 1:4

0001 = 1:2

0000 = 1:1

DSWTPS<3:0>

CONFIG3L

Deep Sleep Watchdog Timer Postscale Select bits

The DSWDT prescaler is 32; this creates an approximate base time unit of 1 ms.

1111 = 1:2,147,483,648 (25.7 days)

1110 = 1:536,870,912 (6.4 days)

1101 = 1:134,217,728 (38.5 hours)

1100 = 1:33,554,432 (9.6 hours)

1011 = 1:8,388,608 (2.4 hours)

1010 = 1:2,097,152 (36 minutes)

1001 = 1:524,288 (9 minutes)

1000 = 1:131,072 (135 seconds)

0111 = 1:32,768 (34 seconds)

0110 = 1:8,192 (8.5 seconds)

0101 = 1:2,048 (2.1 seconds)

0100 = 1:512 (528 ms)

0011 = 1:128 (132 ms)

0010 = 1:32 (33 ms)

0001 = 1:8 (8.3 ms)

0000 = 1:2 (2.1 ms)

DSWDTEN

CONFIG3L

Deep Sleep Watchdog Timer Enable bit

1 = DSWDT enabled

0 = DSWDT disabled

DSBOREN

CONFIG3L

Deep Sleep BOR Enable bit

1 = BOR enabled in Deep Sleep

0 = BOR disabled in Deep Sleep (does not affect operation in non Deep Sleep modes)

TABLE 5-7:

PIC18F47J13 AND PIC18F47J53 FAMILY DEVICES: BIT DESCRIPTIONS (CONTINUED)

Bit Name

Configuration

Words

Description

Note 1: The Configuration bits can only be programmed indirectly by programming the Flash Configuration Word.

2: The Configuration bits are reset to ‘1’ only on VDD Reset; it is reloaded with the programmed value at any device Reset.

3: These bits are not implemented in PIC18F47J13 family devices.

4: Once this bit is cleared, all the Configuration registers which reside in the last page are also protected. To disable code

protection, perform an ICSP Bulk Erase operation.

5: Not implemented on PIC18F47J53 family devices.

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