參數資料
型號: PIC12F683-I/MD
廠商: Microchip Technology
文件頁數: 176/176頁
文件大小: 0K
描述: IC PIC MCU FLASH 2KX14 8DFN
產品培訓模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
Digi-Key 應用說明: AN0005 PWM Example with Microchip's CCP Module
AN0005 Example Code
標準包裝: 91
系列: PIC® 12F
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
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: 3.5KB(2K x 14)
程序存儲器類型: 閃存
EEPROM 大小: 256 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數據轉換器: A/D 4x10b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-VDFN 裸露焊盤
包裝: 管件
產品目錄頁面: 645 (CN2011-ZH PDF)
配用: AC164326-ND - MODULA SKT PM3 20QFN
I3-DB12F683-ND - BOARD DAUGHTER ICEPIC3
2007 Microchip Technology Inc.
DS41211D-page 97
PIC12F683
TABLE 12-8:
SUMMARY OF REGISTERS ASSOCIATED WITH WATCHDOG TIMER
REGISTER 12-2:
WDTCON: WATCHDOG TIMER CONTROL REGISTER
U-0
R/W-0
R/W-1
R/W-0
WDTPS3
WDTPS2
WDTPS1
WDTPS0
SWDTEN
bit 7
bit 0
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
bit 7-5
Unimplemented: Read as ‘0’
bit 4-1
WDTPS<3:0>: Watchdog Timer Period Select bits
Bit Value = Prescale Rate
0000
= 1:32
0001
= 1:64
0010
= 1:128
0011
= 1:256
0100
= 1:512 (Reset value)
0101
= 1:1024
0110
= 1:2048
0111
= 1:4096
1000
= 1:8192
1001
= 1:16384
1010
= 1:32768
1011
= 1:65536
1100
= Reserved
1101
= Reserved
1110
= Reserved
1111
= Reserved
bit 0
SWDTEN: Software Enable or Disable the Watchdog Timer(1)
1
= WDT is turned on
0
= WDT is turned off (Reset value)
Note 1:
If WDTE Configuration bit = 1, then WDT is always enabled, irrespective of this control bit. If WDTE
Configuration bit = 0, then it is possible to turn WDT on/off with this control bit.
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
all other
Resets
WDTCON
WDTPS3 WDTPS2 WSTPS1 WDTPS0 SWDTEN
---0 1000
OPTION_REG
GPPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
CONFIG
CPD
CP
MCLRE
PWRTE
WDTE
FOSC2
FOSC1
FOSC0
Legend:
Shaded cells are not used by the Watchdog Timer.
Note
1:
See Register 12-1 for operation of all Configuration Word register bits.
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