參數(shù)資料
型號： PIC12F683-I/MD
廠商： Microchip Technology
文件頁數(shù)： 132/176頁
文件大?。?/td> 0K
描述： IC PIC MCU FLASH 2KX14 8DFN
產(chǎn)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(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： 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 57
PIC12F683
8.9
Comparator Gating Timer1
This feature can be used to time the duration or interval
of analog events. Clearing the T1GSS bit of the
CMCON1 register will enable Timer1 to increment
based on the output of the comparator. This requires
that Timer1 is on and gating is enabled. See
details.
It is recommended to synchronize the comparator with
Timer1 by setting the CMSYNC bit when the
comparator is used as the Timer1 gate source. This
ensures Timer1 does not miss an increment if the
comparator changes during an increment.
8.10
Synchronizing Comparator Output
to Timer1
The comparator output can be synchronized with
Timer1 by setting the CMSYNC bit of the CMCON1
register. When enabled, the comparator output is
latched on the falling edge of the Timer1 clock source.
If a prescaler is used with Timer1, the comparator
output is latched after the prescaling function. To
prevent a race condition, the comparator output is
latched on the falling edge of the Timer1 clock source
and Timer1 increments on the rising edge of its clock
source. See the Comparator Block Diagram (Figure 8-
2) and the Timer1 Block Diagram (Figure 6-1) for more
information.
REGISTER 8-2:
CMCON1: COMPARATOR CONFIGURATION REGISTER
U-0
R/W-1
R/W-0
—
T1GSS
CMSYNC
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 7-2
Unimplemented: Read as ‘0’
bit 1
T1GSS: Timer1 Gate Source Select bit(1)
1
= Timer 1 Gate Source is T1G pin (pin should be configured as digital input)
0
= Timer 1 Gate Source is comparator output
bit 0
CMSYNC: Comparator Output Synchronization bit(2)
1
= Output is synchronized with falling edge of Timer1 clock
0
= Output is asynchronous
Note 1:
2:
Refer to Figure 8-2.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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PIC12F683T-E/MDQTP 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
PIC12F683T-E/MF 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 6 I/O 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 安裝風格:SMD/SMT
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