参数资料
型号: PIC12F683T-I/MF
厂商: Microchip Technology
文件页数: 175/176页
文件大小: 0K
描述: IC MCU FLASH 2KX14 8DFN
产品培训模块: Asynchronous Stimulus
Digi-Key 应用说明: AN0005 PWM Example with Microchip's CCP Module
AN0005 Example Code
标准包装: 3,300
系列: PIC® 12F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 5
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-VDFN 裸露焊盘
包装: 带卷 (TR)
配用: AC164324-ND - MODULE SKT FOR MPLAB 8DFN/16QFN
XLT08DFN2-ND - SOCKET TRANSITION ICE 14DIP/8DFN
AC162058-ND - HEADER MPLAB ICD2 FOR PIC12F683
I3-DB12F683-ND - BOARD DAUGHTER ICEPIC3
XLT08DFN-ND - SOCKET TRANSITION ICE 8DFN
AC164032-ND - ADAPTER PICSTART PLUS 8DFN/DIP
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
PIC12F683
DS41211D-page 96
2007 Microchip Technology Inc.
12.6
Watchdog Timer (WDT)
The WDT has the following features:
Operates from the LFINTOSC (31 kHz)
Contains a 16-bit prescaler
Shares an 8-bit prescaler with Timer0
Time-out period is from 1 ms to 268 seconds
Configuration bit and software controlled
WDT is cleared under certain conditions described in
12.6.1
WDT OSCILLATOR
The WDT derives its time base from the 31 kHz
LFINTOSC. The LTS bit of the OSCCON register does
not reflect that the LFINTOSC is enabled.
The value of WDTCON is ‘---0 1000’ on all Resets.
This gives a nominal time base of 17 ms.
12.6.2
WDT CONTROL
The WDTE bit is located in the Configuration Word
register. When set, the WDT runs continuously.
When the WDTE bit in the Configuration Word register
is set, the SWDTEN bit of the WDTCON register has no
effect. If WDTE is clear, then the SWDTEN bit can be
used to enable and disable the WDT. Setting the bit will
enable it and clearing the bit will disable it.
The PSA and PS<2:0> bits of the OPTION register
have the same function as in previous versions of the
PIC12F683
Family
of
microcontrollers.
See
FIGURE 12-9:
WATCHDOG TIMER BLOCK DIAGRAM
TABLE 12-7:
WDT STATUS
Note:
When the Oscillator Start-up Timer (OST)
is invoked, the WDT is held in Reset,
because the WDT Ripple Counter is used
by the OST to perform the oscillator delay
count. When the OST count has expired,
the WDT will begin counting (if enabled).
Conditions
WDT
WDTE = 0
Cleared
CLRWDT
Command
Oscillator Fail Detected
Exit Sleep + System Clock = T1OSC, EXTRC, INTRC, EXTCLK
Exit Sleep + System Clock = XT, HS, LP
Cleared until the end of OST
31 kHz
PSA
16-bit WDT Prescaler
From Timer0 Clock Source
Prescaler(1)
8
PS<2:0>
PSA
WDT Time-out
To Timer0
WDTPS<3:0>
WDTE from Configuration Word register
1
0
SWDTEN from WDTCON
LFINTOSC Clock
Note
1:
This is the shared Timer0/WDT prescaler. See Section 5.0 “Timer0 Module” for more information.
相关PDF资料
PDF描述
PIC16LF723A-E/MV MCU 8BIT 4K FLASH XLP 28-UQFN
PIC16LF723A-E/ML MCU 8BIT 4K FLASH XLP 28-QFN
PIC16F723A-E/MV MCU 8BIT 4K FLASH XLP 28-UQFN
PIC16F723A-E/ML MCU 8BIT 4K FLASH XLP 28-QFN
PIC16F630T-I/ML IC PIC MCU FLASH 1KX14 16QFN
相关代理商/技术参数
参数描述
PIC12F752 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8-Pin Flash-Based 8-Bit CMOS Microcontrollers
PIC12F752-E/MF 功能描述:8位微控制器 -MCU 1.75KB 64BRAM 6 I/O 8MHz Int Osc 5MIPS RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC12F752-E/P 功能描述:8位微控制器 -MCU 1.75KB 64BRAM 6 I/O 8MHz Int Osc 5MIPS RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC12F752-E/SN 功能描述:8位微控制器 -MCU 1.75KB 64BRAM 6 I/O 8MHz Int Osc 5MIPS RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC12F752-I/MF 功能描述:8位微控制器 -MCU 1.75KB 64BRAM 6 I/O 8MHz Int Osc 5MIPS RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT