參數資料
型號: PIC12LF1840-E/SN
廠商: Microchip Technology
文件頁數: 60/122頁
文件大?。?/td> 0K
描述: MCU 7KB FLASH 256B RAM XLP 8SOIC
標準包裝: 100
系列: PIC® XLP™ 12F
核心處理器: PIC
芯體尺寸: 8-位
速度: 32MHz
連通性: I²C,LIN,SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數: 5
程序存儲器容量: 7KB(4K x 14)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 V
數據轉換器: A/D 4x10b
振蕩器型: 內部
工作溫度: -40°C ~ 125°C
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
包裝: 管件
PIC12(L)F1840
DS41441B-page 42
Preliminary
2011 Microchip Technology Inc.
REGISTER 4-1:
CONFIGURATION WORD 1
R/P-1/1
FCMEN
IESO
CLKOUTEN
BOREN1
BOREN0
CPD
CP
bit 13
bit 7
R/P-1/1
MCLRE
PWRTE
WDTE1
WDTE0
FOSC2
FOSC1
FOSC0
bit 6
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘1’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
P = Programmable bit
bit 13
FCMEN:
Fail-Safe Clock Monitor Enable bit
1
= Fail-Safe Clock Monitor is enabled
0
= Fail-Safe Clock Monitor is disabled
bit 12
IESO:
Internal External Switchover bit
1
= Internal/External Switchover mode is enabled
0
= Internal/External Switchover mode is disabled
bit 11
CLKOUTEN:
Clock Out Enable bit
If FOSC Configuration bits are set to LP, XT, HS modes:
This bit is ignored, CLKOUT function is disabled. Oscillator function on the CLKOUT pin.
All other FOSC modes:
1
= CLKOUT function is disabled. I/O function on the CLKOUT pin.
0
= CLKOUT function is enabled on the CLKOUT pin
bit 10-9
BOREN<1:0>:
Brown-out Reset Enable bits(1)
11
= BOR enabled
10
= BOR enabled during operation and disabled in Sleep
01
= BOR controlled by SBOREN bit of the BORCON register
00
= BOR disabled
bit 8
CPD:
Data Code Protection bit(2)
1
= Data memory code protection is disabled
0
= Data memory code protection is enabled
bit 7
CP:
Code Protection bit(3)
1
= Program memory code protection is disabled
0
= Program memory code protection is enabled
bit 6
MCLRE:
RA3/MCLR/VPP Pin Function Select bit
If LVP bit = 1:
This bit is ignored.
If LVP bit = 0:
1
=MCLR/VPP pin function is MCLR; Weak pull-up enabled.
0
=MCLR/VPP pin function is digital input; MCLR internally disabled; Weak pull-up under control of
WPUA register.
bit 5
PWRTE:
Power-up Timer Enable bit(1)
1
= PWRT disabled
0
= PWRT enabled
bit 4-3
WDTE<1:0>:
Watchdog Timer Enable bit
11
= WDT enabled
10
= WDT enabled while running and disabled in Sleep
01
= WDT controlled by the SWDTEN bit in the WDTCON register
00
= WDT disabled
Note
1:
Enabling Brown-out Reset does not automatically enable Power-up Timer.
2:
The entire data EEPROM will be erased when the code protection is turned off during an erase.
3:
The entire program memory will be erased when the code protection is turned off.
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