参数资料
型号: PIC18F2331-I/MM
厂商: Microchip Technology
文件页数: 42/119页
文件大小: 0K
描述: IC PIC MCU FLASH 4KX16 28QFN
产品培训模块: PIC18 J Series MCU Overview
标准包装: 61
系列: PIC® 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 40MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,LVD,电源控制 PWM,QEI,POR,PWM,WDT
输入/输出数: 24
程序存储器容量: 8KB(4K x 16)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 768 x 8
电压 - 电源 (Vcc/Vdd): 4.2 V ~ 5.5 V
数据转换器: A/D 5x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 28-VQFN 裸露焊盘
包装: 管件
产品目录页面: 642 (CN2011-ZH PDF)
配用: AC164322-ND - MODULE SOCKET MPLAB PM3 28/44QFN
I3-DB18F4431-ND - BOARD DAUGHTER ICEPIC3
其它名称: PIC18F2331-I/ML
PIC18F2331-I/ML-ND
2010 Microchip Technology Inc.
DS39616D-page 29
PIC18F2331/2431/4331/4431
3.0
OSCILLATOR
CONFIGURATIONS
3.1
Oscillator Types
The PIC18F2331/2431/4331/4431 devices can be
operated in 10 different oscillator modes. The user can
program the Configuration bits, FOSC<3:0>, in
Configuration Register 1H to select one of these
10 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
resonant 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 resonant crystal may give
a
frequency
out
of
the
crystal
manufacturers’ specifications.
Typical Capacitor Values Used:
Mode
Freq
OSC1
OSC2
XT
455 kHz
2.0 MHz
4.0 MHz
56 pF
47 pF
33 pF
56 pF
47 pF
33 pF
HS
8.0 MHz
16.0 MHz
27 pF
22 pF
27 pF
22 pF
Capacitor values are for design guidance only.
These capacitors were tested with the resonators
listed below for basic start-up and operation. These
values are not optimized
.
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.
See the notes following Table 3-2 for additional
information.
Resonators Used:
455 kHz
4.0 MHz
2.0 MHz
8.0 MHz
16.0 MHz
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 resonant 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
相关PDF资料
PDF描述
AT89LP4052-16PI IC 8051 MCU FLASH 4K 20DIP
DSPIC30F3011-30I/P IC DSPIC MCU/DSP 24K 40DIP
PIC16LF873A-I/SP IC MCU FLASH 4KX14 EE A/D 28DIP
AT89C51AC3-RLTIM IC 8051 MCU FLASH 64K 44VQFP
PIC16LF873A-I/SO IC MCU FLASH 4KX14 EE A/D 28SOIC
相关代理商/技术参数
参数描述
PIC18F2331T-E/SOG 功能描述:8位微控制器 -MCU 8kBF 768RM 22I/O Lead Free Package 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
PIC18F2331T-I/ML 功能描述:8位微控制器 -MCU 8KB 768 RAM 22 I/O 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
PIC18F2331T-I/MM 功能描述:8位微控制器 -MCU 8kBF 768RM 22I/O 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
PIC18F2331T-I/SO 功能描述:8位微控制器 -MCU 8KB 768 RAM 22 I/O 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
PIC18F23K20-E/ML 功能描述:8位微控制器 -MCU 8 KB Enh Flash 768 RAM 25 I/O Pb Free 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