參數(shù)資料
型號(hào)： PIC12F683-I/MD
廠商： Microchip Technology
文件頁數(shù)： 128/176頁
文件大?。?/td> 0K
描述： IC PIC MCU FLASH 2KX14 8DFN
產(chǎn)品培訓(xùn)模塊： Asynchronous Stimulus
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 大小： 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 53
PIC12F683
8.3
Comparator Configuration
There are eight modes of operation for the comparator.
The CM<2:0> bits of the CMCON0 register are used to
select these modes as shown in Figure 8-4.
Analog function (A): digital input buffer is disabled
Digital function (D): comparator digital output,
overrides port function
Normal port function (I/O): independent of com-
parator
The port pins denoted as “A” will read as a ‘0’
regardless of the state of the I/O pin or the I/O control
TRIS bit. Pins used as analog inputs should also have
the corresponding TRIS bit set to ‘1’ to disable the
digital output driver. Pins denoted as “D” should have
the corresponding TRIS bit set to ‘0’ to enable the
digital output driver.
FIGURE 8-4:
COMPARATOR I/O OPERATING MODES
Note:
Comparator interrupts should be disabled
during a Comparator mode change to
prevent unintended interrupts.
Comparator Reset (POR Default Value – low power)
Comparator w/o Output and with Internal Reference
CM<2:0> = 000
CM<2:0> = 100
Comparator with Output
Multiplexed Input with Internal Reference and Output
CM<2:0> = 001
CM<2:0> = 101
Comparator without Output
Multiplexed Input with Internal Reference
CM<2:0> = 010
CM<2:0> = 110
Comparator with Output and Internal Reference
Comparator Off (Lowest power)
CM<2:0> = 011
CM<2:0> = 111
Legend: A = Analog Input, ports always reads ‘0’
CIS = Comparator Input Switch (CMCON0<3>)
I/O = Normal port I/O
D = Comparator Digital Output
Note 1:
Reads as ‘0’, unless CINV = 1.
CIN-
CIN+
Off
(1)
A
COUT (pin) I/O
CIN-
CIN+
COUT
A
I/O
COUT (pin) I/O
From CVREF Module
CIN-
CIN+
COUT
A
COUT (pin) D
CIN-
CIN+
COUT
A
COUT (pin)
D
From CVREF Module
CIS = 0
CIS = 1
CIN-
CIN+
COUT
A
COUT (pin)
I/O
CIN-
CIN+
COUT
A
COUT (pin)
I/O
From CVREF Module
CIS = 0
CIS = 1
CIN-
CIN+
COUT
A
I/O
COUT (pin) D
From CVREF Module
CIN-
CIN+
Off
(1)
I/O
COUT (pin) I/O
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