参数资料
型号: PIC16C662T-04E/TQ
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PQFP44
封装: 10 X 10 MM, 1 MM HEIGHT, PLASTIC, TQFP-44
文件页数: 89/136页
文件大小: 634K
代理商: PIC16C662T-04E/TQ
PIC16C64X & PIC16C66X
DS30559A-page 56
Preliminary
1996 Microchip Technology Inc.
9.1
Conguration Bits
The conguration bits can be programmed (read as '0')
or left unprogrammed (read as '1') to select various
device congurations. 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/conguration
memory
space
(2000h–3FFFh), which can be accessed only during
programming.
FIGURE 9-1:
CONFIGURATION WORD
CP1
CP0
CP1
CP0
CP1
CP0
MPEEN
BODEN CP1
CP0
PWRTE
WDTE
FOSC1 FOSC0
CONFIG
Address
REGISTER:
2007h
bit13
bit0
bit 13-8
CP1:CP0: Code protection bits(2)
5-4:
11
= Code protection off
10
= Upper half of program memory code protected
01
= Upper 3/4th of program memory code protected
00
= All memory is code protected
bit 7:
MPEEN: Memory Parity Error Enable
1 = Memory Parity Checking is enabled
0 = Memory Parity Checking is disabled
bit 6:
BODEN: Brown-out Reset Enable bit (1)
1 = BOR enabled
0 = BOR disabled
bit 3:
PWRTE: Power-up Timer Enable bit (1)
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 the Power-up Timer (PWRT) regardless of the value of bit PWRTE. Ensure the
Power-up Timer is enabled anytime Brown-out Reset is enabled.
2: All of the CP1:CP0 pairs have to be given the same value to enable the code protection scheme listed.
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