參數(shù)資料
型號： PIC12F683T-I/MD
廠商： Microchip Technology
文件頁數(shù)： 140/176頁
文件大?。?/td> 0K
描述： IC PIC MCU FLASH 2KX14 8DFN
產(chǎn)品培訓(xùn)模塊： Asynchronous Stimulus
Digi-Key 應(yīng)用說明： AN0005 PWM Example with Microchip's CCP Module
AN0005 Example Code
標(biāo)準(zhǔn)包裝： 3,300
系列： PIC® 12F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 5
程序存儲器容量： 3.5KB（2K x 14）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 4x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 8-VDFN 裸露焊盤
包裝： 帶卷 (TR)
配用： AC164326-ND - MODULA SKT PM3 20QFN
I3-DB12F683-ND - BOARD DAUGHTER ICEPIC3
PIC12F683
DS41211D-page 64
2007 Microchip Technology Inc.
9.2.4
ADC OPERATION DURING SLEEP
The ADC module can operate during Sleep. This
requires the ADC clock source to be set to the FRC
option. When the FRC clock source is selected, the
ADC waits one additional instruction before starting the
conversion. This allows the SLEEP instruction to be
executed, which can reduce system noise during the
conversion. If the ADC interrupt is enabled, the device
will
wake-up
from
Sleep
when
the
conversion
completes. If the ADC interrupt is disabled, the ADC
module is turned off after the conversion completes,
although the ADON bit remains set.
When the ADC clock source is something other than
FRC, a SLEEP instruction causes the present conver-
sion to be aborted and the ADC module is turned off,
although the ADON bit remains set.
9.2.5
SPECIAL EVENT TRIGGER
The CCP Special Event Trigger allows periodic ADC
measurements without software intervention. When
this trigger occurs, the GO/DONE bit is set by hardware
and the Timer1 counter resets to zero.
Using the Special Event Trigger does not assure proper
ADC timing. It is the user’s responsibility to ensure that
the ADC timing requirements are met.
Module” for more information.
9.2.6
A/D CONVERSION PROCEDURE
This is an example procedure for using the ADC to
perform an Analog-to-Digital conversion:
1.
Configure GPIO Port:
Disable pin output driver (See TRIS register)
Configure pin as analog
2.
Configure the ADC module:
Select ADC conversion clock
Configure voltage reference
Select ADC input channel
Select result format
Turn on ADC module
3.
Configure ADC interrupt (optional):
Clear ADC interrupt flag
Enable ADC interrupt
Enable peripheral interrupt
Enable global interrupt(1)
4.
Wait the required acquisition time(2).
5.
Start conversion by setting the GO/DONE bit.
6.
Wait for ADC conversion to complete by one of
the following:
Polling the GO/DONE bit
Waiting for the ADC interrupt (interrupts
enabled)
7.
Read ADC Result
8.
Clear the ADC interrupt flag (required if interrupt
is enabled).
EXAMPLE 9-1:
A/D CONVERSION
9.2.7
ADC REGISTER DEFINITIONS
The following registers are used to control the
operation of the ADC.
Note 1: The global interrupt can be disabled if the
user is attempting to wake-up from Sleep
and resume in-line code execution.
2: See
;This code block configures the ADC
;for polling, Vdd reference, Frc clock
;and GP0 input.
;
;Conversion start & polling for completion
; are included.
;
BANKSEL
TRISIO
;
BSF
TRISIO,0
;Set GP0 to input
BANKSEL
ANSEL
;
MOVLW
B’01110001’
;ADC Frc clock,
IORWF
ANSEL
; and GP0 as analog
BANKSEL
ADCON0
;
MOVLW
B’10000001’
;Right justify,
MOVWF
ADCON0
;Vdd Vref, AN0, On
CALL
SampleTime
;Acquisiton delay
BSF
ADCON0,GO
;Start conversion
BTFSC
ADCON0,GO
;Is conversion done?
GOTO
$-1
;No, test again
BANKSEL
ADRESH
;
MOVF
ADRESH,W
;Read upper 2 bits
MOVWF
RESULTHI
;Store in GPR space
BANKSEL
ADRESL
;
MOVF
ADRESL,W
;Read lower 8 bits
MOVWF
RESULTLO
;Store in GPR space
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12F752 制造商:MICROCHIP 制造商全稱: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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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