參數(shù)資料
型號(hào)： PIC12F683-I/MD
廠商： Microchip Technology
文件頁數(shù)： 152/176頁
文件大小： 0K
描述： IC PIC MCU FLASH 2KX14 8DFN
產(chǎn)品培訓(xùn)模塊： Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
Digi-Key 應(yīng)用說明： AN0005 PWM Example with Microchip's CCP Module
AN0005 Example Code
標(biāo)準(zhǔn)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(shè)備： 欠壓檢測(cè)/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 5
程序存儲(chǔ)器容量： 3.5KB（2K x 14）
程序存儲(chǔ)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： 管件
產(chǎn)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 75
PIC12F683
11.0
CAPTURE/COMPARE/PWM
(CCP) MODULE
The Capture/Compare/PWM module is a peripheral
which allows the user to time and control different
events. In Capture mode, the peripheral allows the
timing of the duration of an event.The Compare mode
allows the user to trigger an external event when a
predetermined amount of time has expired. The PWM
mode can generate a Pulse-Width Modulated signal of
varying frequency and duty cycle.
The timer resources used by the module are shown in
Additional information on CCP modules is available in
the Application Note AN594, “Using the CCP Modules”
(DS00594).
TABLE 11-1:
CCP MODE – TIMER
RESOURCES REQUIRED
CCP Mode
Timer Resource
Capture
Timer1
Compare
Timer1
PWM
Timer2
REGISTER 11-1:
CCP1CON: CCP1 CONTROL REGISTER
U-0
R/W-0
—
DC1B1
DC1B0
CCP1M3
CCP1M2
CCP1M1
CCP1M0
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 7-6
Unimplemented: Read as ‘0’
bit 5-4
DC1B<1:0>: PWM Duty Cycle Least Significant bits
Capture mode:
Unused.
Compare mode:
Unused.
PWM mode:
These bits are the two LSbs of the PWM duty cycle. The eight MSbs are found in CCPR1L.
bit 3-0
CCP1M<3:0>: CCP Mode Select bits
0000
= Capture/Compare/PWM off (resets CCP module)
0001
= Unused (reserved)
0010
= Unused (reserved)
0011
= Unused (reserved)
0100
= Capture mode, every falling edge
0101
= Capture mode, every rising edge
0110
= Capture mode, every 4th rising edge
0111
= Capture mode, every 16th rising edge
1000
= Compare mode, set output on match (CCP1IF bit is set)
1001
= Compare mode, clear output on match (CCP1IF bit is set)
1010
= Compare mode, generate software interrupt on match (CCP1IF bit is set, CCP1 pin
is unaffected)
1011
= Compare mode, trigger special event (CCP1IF bit is set, TMR1 is reset and A/D
conversion is started if the ADC module is enabled. CCP1 pin is unaffected.)
110x
= PWM mode active-high
111x
= PWM mode active-low
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