參數(shù)資料
型號： PIC12F683T-I/MD
廠商： Microchip Technology
文件頁數(shù)： 104/176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
2007 Microchip Technology Inc.
DS41211D-page 31
PIC12F683
4.0
GPIO PORT
There are as many as six general purpose I/O pins
available.
Depending
on
which
peripherals
are
enabled, some or all of the pins may not be available as
general purpose I/O. In general, when a peripheral is
enabled, the associated pin may not be used as a
general purpose I/O pin.
4.1
GPIO and the TRISIO Registers
GPIO
is
a
6-bit
wide,
bidirectional
port.
The
corresponding data direction register is TRISIO.
Setting a TRISIO bit (= 1) will make the corresponding
GPIO pin an input (i.e., put the corresponding output
driver in a High-Impedance mode). Clearing a TRISIO
bit (= 0) will make the corresponding GPIO pin an
output (i.e., put the contents of the output latch on the
selected pin). An exception is GP3, which is input only
and its TRISIO bit will always read as ‘1’. Example 4-1
shows how to initialize GPIO.
Reading the GPIO register reads the status of the pins,
whereas writing to it will write to the PORT latch. All
write operations are read-modify-write operations.
Therefore, a write to a port implies that the port pins are
read, this value is modified and then written to the
PORT data latch. GP3 reads ‘0’ when MCLRE = 1.
The TRISIO register controls the direction of the GPIO
pins, even when they are being used as analog inputs.
The user must ensure the bits in the TRISIO register
are maintained set when using them as analog inputs.
I/O pins configured as analog input always read ‘0’.
EXAMPLE 4-1:
INITIALIZING GPIO
Note:
The ANSEL and CMCON0 registers must
be initialized to configure an analog
channel as a digital input. Pins configured
as analog inputs will read ‘0’.
BANKSEL
GPIO
;
CLRF
GPIO
;Init GPIO
MOVLW
07h
;Set GP<2:0> to
MOVWF
CMCON0
;digital I/O
BANKSEL
ANSEL
;
CLRF
ANSEL
;digital I/O
MOVLW
0Ch
;Set GP<3:2> as inputs
MOVWF
TRISIO
;and set GP<5:4,1:0>
;as outputs
REGISTER 4-1:
GPIO: GENERAL PURPOSE I/O REGISTER
U-0
R/W-x
R/W-0
R-x
R/W-0
—
GP5
GP4
GP3
GP2
GP1
GP0
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 5-0
GP<5:0>: GPIO I/O Pin bit
1
= Port pin is > VIH
0
= Port pin is < VIL
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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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