參數(shù)資料
型號(hào)： PIC16LCR620AT-04I/SO
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 4 MHz, RISC MICROCONTROLLER, PDSO18
封裝： 0.300 INCH, PLASTIC, MS-013, SO-18
文件頁數(shù)： 72/128頁
文件大?。?/td> 3677K
代理商： PIC16LCR620AT-04I/SO
PIC16C62X
DS30235J-page 46
2003 Microchip Technology Inc.
9.1
Configuration Bits
The configuration bits can be programmed (read as '0')
or left unprogrammed (read as '1') to select various
device configurations. These bits are mapped in
program memory location 2007h.
The user will note that address 2007h is beyond
the user program memory space. In fact, it belongs
to the special
test/configuration
memory
space
(2000h – 3FFFh), which can be accessed only during
programming.
REGISTER 9-1:
CONFIGURATION WORD (ADDRESS 2007h)
CP1
CP0 (2)
CP1
CP0 (2)
CP1
CP0 (2)
BODEN
CP1
CP0 (2)
PWRTE
WDTE
F0SC1
F0SC0
bit 13
bit 0
bit 13-8,
5-4:
CP<1:0>: Code protection bit pairs (2)
Code protection for 2K program memory
11
= Program memory code protection off
10
= 0400h-07FFh code protected
01
= 0200h-07FFh code protected
00
= 0000h-07FFh code protected
Code protection for 1K program memory
11
= Program memory code protection off
10
= Program memory code protection off
01
= 0200h-03FFh code protected
00
= 0000h-03FFh code protected
Code protection for 0.5K program memory
11
= Program memory code protection off
10
= Program memory code protection off
01
= Program memory code protection off
00
= 0000h-01FFh code protected
bit 7
Unimplemented: Read as ‘0’
bit 6
BODEN: Brown-out Reset Enable bit (1)
1
= BOR enabled
0
= BOR disabled
bit 3
PWRTE: Power-up Timer Enable bit (1, 3)
1
= PWRT disabled
0
= PWRT enabled
bit 2
WDTE: Watchdog Timer Enable bit
1
= WDT enabled
0
= WDT disabled
bit 1-0
FOSC1:FOSC0: Oscillator Selection bits
11
= RC oscillator
10
= HS oscillator
01
= XT oscillator
00
= LP oscillator
Note 1: Enabling Brown-out Reset automatically enables Power-up Timer (PWRT) regardless of the
value of bit PWRTE. Ensure the Power-up Timer is enabled anytime Brown-out Detect Reset is
enabled.
2: All of the CP<1:0> pairs have to be given the same value to enable the code protection scheme
listed.
3: Unprogrammed parts default the Power-up Timer disabled.
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
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參數(shù)描述
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