SLOW V
參數(shù)資料
型號: PIC16C432/JW
廠商: Microchip Technology
文件頁數(shù): 50/70頁
文件大?。?/td> 0K
描述: IC MCU CMOS 8BIT 20MHZ 2K 20CDIP
標(biāo)準(zhǔn)包裝: 23
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: LIN(本地互連網(wǎng)絡(luò))
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 12
程序存儲器容量: 3.5KB(2K x 14)
程序存儲器類型: EPROM,UV
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 20-CDIP(0.300",7.62mm)窗口
包裝: 管件
產(chǎn)品目錄頁面: 636 (CN2011-ZH PDF)
配用: AC164029-ND - MODULE SKT PROMATEII 20DIP/SSOP
DVA16XP201-ND - ADAPTER DEVICE FOR MPLAB-ICE
PIC16C432
DS41140B-page 52
Preliminary
2002 Microchip Technology Inc.
FIGURE 9-11:
EXTERNAL POWER-ON
RESET CIRCUIT (FOR
SLOW VDD POWER-UP)
FIGURE 9-12:
EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 1
FIGURE 9-13:
EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 2
FIGURE 9-14:
EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 3
Note
1:
External Power-on Reset circuit is required
only if VDD power-up slope is too slow. The
diode D helps discharge the capacitor quickly
when VDD powers down.
2:
< 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 flow-
ing into MCLR from external capacitor C, in
the event of MCLR/VPP pin breakdown due to
Electrostatic Discharge (ESD), or Electrical
Overstress (EOS).
C
R1
R
D
VDD
MCLR
PIC16C432
VDD
Note
1:
This circuit will activate RESET when VDD
goes below (Vz + 0.7V), where Vz = Zener
voltage.
2: Internal Brown-out Reset circuitry should
be disabled when using this circuit.
VDD
33k
10k
40k
PIC16C432
VDD
MCLR
Note
1: This brown-out circuit is less expensive,
albeit less accurate. Transistor Q1 turns off
when VDD is below a certain level such that:
2: Internal brown-out detection should be dis-
abled when using this circuit.
3: Resistors should be adjusted for the charac-
teristics of the transistor.
VDD x
R1
R1 + R2
= 0.7V
VDD
R2
40k
PIC16C432
R1
Q1
VDD
MCLR
This brown-out protection circuit employs Microchip
Technology’s MCP809 microcontroller supervisor. The
MCP8XX and MCP1XX families of supervisors provide
push-pull and open collector outputs with both high and
low active RESET pins. There are 7 different trip point
selections to accommodate 5V and 3V systems.
MCLR
PIC16C432
VDD
VSS
RST
MCP809
VDD
Bypass
Capacitor
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PIC16C432T-I/SS 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 12 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
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PIC16C433-E/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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