參數(shù)資料
型號： PIC12F683-E/SN
廠商： Microchip Technology
文件頁數(shù)： 151/176頁
文件大?。?/td> 0K
描述： IC MCU FLASH 2KX14 8SOIC
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： 100
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 ~ 125°C
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
包裝： 管件
配用： AC162058-ND - HEADER MPLAB ICD2 FOR PIC12F683
I3-DB12F683-ND - BOARD DAUGHTER ICEPIC3
PIC12F683
DS41211D-page 74
2007 Microchip Technology Inc.
10.5
Protection Against Spurious Write
There are conditions when the user may not want to
write to the data EEPROM memory. To protect against
spurious EEPROM writes, various mechanisms have
been built in. On power-up, WREN is cleared. Also, the
Power-up
Timer
(64 ms
duration)
prevents
EEPROM write.
The write initiate sequence and the WREN bit together
help prevent an accidental write during:
Brown-out
Power Glitch
Software Malfunction
10.6
Data EEPROM Operation During
Code-Protect
Data memory can be code-protected by programming
the CPD bit in the Configuration Word register
(Register 12-1) to ‘0’.
When the data memory is code-protected, the CPU is
able to read and write data to the data EEPROM. It is
recommended to code-protect the program memory
when code-protecting data memory. This prevents
anyone from programming zeroes over the existing
code (which will execute as NOPs) to reach an added
routine, programmed in unused program memory,
which
outputs
the
contents
of
data
memory.
Programming unused locations in program memory to
‘0’ will also help prevent data memory code protection
from becoming breached.
TABLE 10-1:
SUMMARY OF ASSOCIATED DATA EEPROM REGISTERS
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
all other
Resets
INTCON
GIE
PEIE
T0IE
INTE
GPIE
T0IF
INTF
GPIF
0000 0000
PIR1
EEIF
ADIF
CCP1IF
—
CMIF
OSFIF
TMR2IF
TMR1IF
000- 0000
PIE1
EEIE
ADIE
CCP1IE
—
CMIE
OSFIE
TMR2IE
TMR1IE
000- 0000
EEDAT
EEDAT7
EEDAT6
EEDAT5
EEDAT4
EEDAT3
EEDAT2
EEDAT1
EEDAT0
0000 0000
EEADR
EEADR7
EEADR6
EEADR5
EEADR4 EEADR3 EEADR2 EEADR1 EEADR0
0000 0000
EECON1
—
WRERR
WREN
WR
RD
---- x000
---- q000
EECON2(1) EEPROM Control Register 2
---- ----
Legend:
x
= unknown, u = unchanged, – = unimplemented read as ‘0’, q = value depends upon condition. Shaded cells are not
used by the Data EEPROM module.
Note
1:
EECON2 is not a physical register.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12F683-I/MD 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 6I/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(fēng)格:SMD/SMT
PIC12F683-I/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
PIC12F683-I/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(fēng)格:SMD/SMT
PIC12F683-I/MF 制造商:Microchip Technology Inc 功能描述:8BIT FLASH MCU SMD 12F683 DFN-8
PIC12F683-I/MFQTP 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
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