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参数资料
型号： PIC16F526-E/P
厂商： Microchip Technology
文件页数： 45/122页
文件大小： 0K
描述： IC PIC MCU FLASH 1KX12 14DIP
产品培训模块： 8-bit PIC® Microcontroller Portfolio
标准包装： 30
系列： PIC® 16F
核心处理器： PIC
芯体尺寸： 8-位
速度： 20MHz
外围设备： POR，WDT
输入/输出数： 11
程序存储器容量： 1.5KB（1K x 12）
程序存储器类型： 闪存
RAM 容量： 67 x 8
电压 - 电源 (Vcc/Vdd)： 2 V ~ 5.5 V
数据转换器： A/D 3x8b
振荡器型： 内部
工作温度： -40°C ~ 125°C
封装/外壳： 14-DIP（0.300"，7.62mm）
包装： 管件
产品目录页面： 638 (CN2011-ZH PDF)
配用： AC162096-ND - HEADER MPLAB ICD2 PIC16F526 8/14
2009 Microchip Technology Inc.
DS39689F-page 29
PIC18F2221/2321/4221/4321 FAMILY
3.0
OSCILLATOR
CONFIGURATIONS
3.1
Oscillator Types
The PIC18F2221/2321/4221/4321 family of devices
can be operated in ten different oscillator modes. The
user can program the Configuration bits, FOSC<3:0>,
in Configuration Register 1H to select one of these ten
modes:
1.
LP
Low-Power Crystal
2.
XT
Crystal/Resonator
3.
HS
High-Speed Crystal/Resonator
4.
HSPLL High-Speed Crystal/Resonator
with PLL enabled
5.
RC
External Resistor/Capacitor with
FOSC/4 output on RA6
6.
RCIO
External Resistor/Capacitor with I/O
on RA6
7.
INTIO1 Internal Oscillator with FOSC/4 output
on RA6 and I/O on RA7
8.
INTIO2 Internal Oscillator with I/O on RA6
and RA7
9.
EC
External Clock with FOSC/4 output
10. ECIO
External Clock with I/O on RA6
3.2
Crystal Oscillator/Ceramic
Resonators
In XT, LP, HS or HSPLL Oscillator modes, a crystal or
ceramic resonator is connected to the OSC1 and
OSC2 pins to establish oscillation. Figure 3-1 shows
the pin connections.
The oscillator design requires the use of a parallel cut
crystal.
FIGURE 3-1:
CRYSTAL/CERAMIC
RESONATOR OPERATION
(XT, LP, HS OR HSPLL
CONFIGURATION)
TABLE 3-1:
CAPACITOR SELECTION FOR
CERAMIC RESONATORS
Note:
Use of a series cut crystal may give a
frequency out of the crystal manufacturer’s
specifications.
Typical Capacitor Values Used:
Mode
Freq
OSC1
OSC2
XT
3.58 MHz
22 pF
Capacitor values are for design guidance only.
Different capacitor values may be required to produce
acceptable oscillator operation. The user should test
the performance of the oscillator over the expected
VDD and temperature range for the application. Refer
to the following application notes for oscillator specific
information:
AN588, “PIC Microcontroller Oscillator Design
Guide”
AN826, “Crystal Oscillator Basics and Crystal
Selection for rfPIC and PIC Devices”
AN849, “Basic PIC Oscillator Design”
AN943, “Practical PIC Oscillator Analysis and
Design”
AN949, “Making Your Oscillator Work”
See the notes following Table 3-2 for additional
information.
Note:
When using resonators with frequencies
above 3.5 MHz, the use of HS mode,
rather than XT mode, is recommended.
HS mode may be used at any VDD for
which the controller is rated. If HS is
selected, it is possible that the gain of the
oscillator will overdrive the resonator.
Therefore, a series resistor may be placed
between the OSC2 pin and the resonator.
As
a
good
starting
point,
the
recommended value of RS is 330
Ω.
Note 1: See Table 3-1 and Table 3-2 for initial values of
C1 and C2.
2: A series resistor (RS) may be required for AT
strip cut crystals.
3: RF varies with the oscillator mode chosen.
C1(1)
C2(1)
XTAL
OSC2
OSC1
RF(3)
Sleep
To
Logic
PIC18FXXXX
RS(2)
Internal
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参数描述
PIC16F526-I/MG 功能描述:8位微控制器 -MCU 1.5KB Flash Program 8MHz Int Osc RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC16F526-I/P 功能描述:8位微控制器 -MCU 15KB 64B 8MHz 8B ADC Internal Oscillator RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC16F526-I/SL 功能描述:8位微控制器 -MCU 15KB 64B 8MHz 8B ADC Internal Oscillator RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC16F526-I/SLC04 制造商:Microchip Technology Inc 功能描述:
PIC16F526-I/ST 功能描述:8位微控制器 -MCU 15KB 64B 8MHz 8B ADC Internal Oscillator RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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