參數(shù)資料
型號(hào): pic16c620a
廠商: Microchip Technology Inc.
英文描述: EPROM-Based 8-Bit CMOS Microcontroller(8位CMOS微控制器)
中文描述: 存儲(chǔ)器為基礎(chǔ)的8位CMOS微控制器(8位的CMOS微控制器)
文件頁(yè)數(shù): 54/112頁(yè)
文件大小: 1205K
代理商: PIC16C620A
PIC16C62X(A)
DS30235F-page 54
Preliminary
1997 Microchip Technology Inc.
FIGURE 9-12: 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 capaci-
tor quickly when V
DD
powers down.
2: < 40 k
is recommended to make sure
that voltage drop across R does not vio-
late the device’s electrical specification.
3: R1 = 100
to 1 k
will limit any current
flowing into MCLR from external capaci-
tor 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
PIC16C62X(A)
V
DD
FIGURE 9-13: EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 1
FIGURE 9-14: 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 Reset circuitry
should be disabled when using this cir-
cuit.
V
DD
33k
10k
40k
V
DD
MCLR
PIC16C62X(A)
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:
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
x
R1
R1 + R2
= 0.7 V
V
DD
R2
40k
V
DD
MCLR
PIC16C62X(A)
R1
Q1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16C620A/JW 功能描述:8位微控制器 -MCU .875KB 96 RAM 13 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
PIC16C620A-04/P 功能描述:8位微控制器 -MCU .875KB 96 RAM 13 I/O 4 MHz PDIP18 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
PIC16C620A-04/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 16C620 DIP18
PIC16C620A-04/P 制造商:Microchip Technology Inc 功能描述:Microcontroller IC Number of I/Os:13
PIC16C620A-04/SO 功能描述:8位微控制器 -MCU .875KB 96 RAM 13 I/O 4 MHz SOIC18 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