參數(shù)資料
型號(hào)： pic12ce674
廠商： Microchip Technology Inc.
英文描述： 8-Pin, 8-Bit CMOS Microcontroller with A/D Converter(具A/D轉(zhuǎn)換器和EEPROM數(shù)據(jù)存儲(chǔ)器的8位微控制器)
中文描述： 8引腳，8位CMOS微控制器與A / D轉(zhuǎn)換器（具的A / D轉(zhuǎn)換器和EEPROM的數(shù)據(jù)存儲(chǔ)器的8位微控制器）
文件頁(yè)數(shù)： 53/112頁(yè)
文件大?。?/td> 1205K
代理商： PIC12CE674
1998 Microchip Technology Inc.
Preliminary
DS40181A-page 53
PIC12CE67X
FIGURE 9-11: EXTERNAL POWER-ON
RESET CIRCUIT (FOR SLOW
V
DD
POWER-UP)
Note 1: External Power-on Reset circuit is required
only if V
DD
power-up slope is too slow. The
diode D helps discharge the capacitor
quickly when V
DD
powers down.
2: R < 40 k
is recommended to make sure
that voltage drop across R does not violate
the device’s electrical specification.
3: R1 = 100
to 1 k
will limit any current
flowing into MCLR from external capacitor
C in the event of MCLR/V
PP
pin break-
down due to Electrostatic Discharge
(ESD) or Electrical Overstress (EOS).
C
R1
R
D
V
DD
MCLR
PIC12CE67X
FIGURE 9-12: EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 1
FIGURE 9-13: EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 2
Note 1: This circuit will activate reset when V
DD
goes below (Vz + 0.7V) where Vz = Zener
voltage.
2: Internal brown-out detection should be
disabled when using this circuit.
3: Resistors should be adjusted for the char-
acteristics of the transistor.
V
DD
33k
10k
4.3k
V
DD
MCLR
PIC12CE67X
Note 1: This brown-out circuit is less expensive,
albeit less accurate. Transistor Q1 turns
off when V
DD
is below a certain level
such that:
R1
R1 + R2
2: Internal brown-out detection should be
disabled when using this circuit.
3: Resistors should be adjusted for the
characteristics of the transistor.
V
DD
= 0.7V
V
DD
R2
4.3k
V
DD
MCLR
PIC12CE67X
R1
Q1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12CE674/JW 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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
PIC12CE674-04/JM 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontroller with A/D Converter
PIC12CE674-04/JW 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
PIC12CE674-04/P 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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
PIC12CE674-04/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 12CE674 DIP8
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