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PIC16F723-I/SP 产品设计参考手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
8位微控制器
封装:
DIP-28
描述:
PIC16F722/723/724/726/727 8 位闪存微控制器Microchip 的 PIC16F 系列微控制器 8 位 MCU，将 Microchip 的 PIC® 体系架构融入到引脚和封装选件中，从节省空间的 14 引脚设备到功能丰富的 64 引脚设备。 带有基线、中级或增强型中级体系架构的设备提供多种不同的外围设备组合，可谓设计人员提供灵活性，并为应用提供选择。 PIC16F722/723/724/726/727 系列微控制器基于 Microchip 的中级内核，带 8 层深硬件堆栈和 35 个指令。 这些 MCU 提供高达 5 个 MIP、14 千字节程序存储器和 368 字节 RAM。 板载是一个振荡器，工厂校准到 ±1% 精确度。### 微控制器功能最大 20 MHz CPU 速度 35 指令 8 级硬件堆栈 25 个输入/输出引脚 – PIC16F722/723/726 型号 36 个输入/输出引脚 – PIC16F724/727 型号 nanoWatt XLP 技术 通电重置 (POR) 通电计时器 (PWRT) 振荡器启动计时器 (OST) 掉电重置 (BOR) 监控器计时器 (WDT) 在线串行编程 (ICSP) 在线调试 (ICD) ### 外设8 位模拟到数字转换器 (ADC) - PIC16F722/723/726 11 通道、PIC16F724/727 14 通道 mTouchTM 电容式触摸传感振荡器模块 - PIC16F722/723/726 8 通道、PIC16F724/727 16 通道 两个捕获、比较、PWM (CCP) 模块 两个 8 位计时器 一个 16 位计时器 可寻址通用同步异步接收器发送器 (AUSART) 同步串行端口 (SSP)，带有 SPI 和 I2C展开
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PIC16F723-I/SP数据手册
Page:
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若手册格式错乱，请下载阅览PDF原文件
© 2009 Microchip Technology Inc. DS01146B-Page 1-1
8-pin Flash PIC
®
Microcontroller Tips ‘n Tricks
CHAPTER 1
8-Pin Flash PIC
®
Microcontrollers
Tips ‘n Tricks
Table Of Contents
TIPS ‘N TRICKS WITH HARDWARE
TIP #1: Dual Speed RC Oscillator ................ 1-2
TIP #2: Input/Output Multiplexing .................. 1-2
TIP #3: Read Three States From One Pin .... 1-3
TIP #4: Reading DIP Switches ...................... 1-3
TIP #5: Scanning Many Keys With
One Input .......................................... 1-4
TIP #6: Scanning Many Keys and Wake-up
From Sleep ....................................... 1-4
TIP #7: 8x8 Keyboard with 1 Input ................ 1-5
TIP #8: One Pin Power/Data ......................... 1-5
TIP #9: Decode Keys and ID Settings .......... 1-6
TIP #10: Generating High Voltages ................ 1-6
TIP #11: Vd d Self Starting Circuit.................... 1-7
TIP #12: Using PIC
®
MCU A/D For Smart
Current Limiter .................................. 1-7
TIP #13: Reading A Sensor With Higher
Accuracy ........................................... 1-8
TIP #13.1: Reading A Sensor With Higher
Accuracy – RC Timing Method ......... 1-8
TIP #13.2: Reading A Sensor With Higher
Accuracy – Charge Balancing
Method ............................................. 1-10
TIP #13.3: Reading A Sensor With Higher
Accuracy – A/D Method .................... 1-11
TIP #14: Delta Sigma Converter ..................... 1-11
TIPS ‘N TRICKS WITH SOFTWARE
TIP #15: Delay Techniques ............................. 1-12
TIP #16: Optimizing Destinations ....................1-13
TIP #17: Conditional Bit Set/Clear ..................1-13
TIP #18: Swap File Register with W ............... 1-14
TIP #19: Bit Shifting Using Carry Bit ............... 1-14
TIPS ‘N TRICKS INTRODUCTION
Microchip continues to provide innovative
products that are smaller, faster, easier to
use and more reliable. The 8-pin Flash PIC
®
microcontrollers (MCU) are used in an wide
range of everyday products, from toothbrushes,
hair dryers and rice cookers to industrial,
automotive and medical products.
The PIC12F629/675 MCUs merge all the
advantages of the PIC MCU architecture and
the exibility of Flash program memory into
an 8-pin package. They provide the features
and intelligence not previously available due
to cost and board space limitations. Features
include a 14-bit instruction set, small footprint
package, a wide operating voltage of 2.0 to
5.5 volts, an internal programmable 4 MHz
oscillator, on-board EEPROM data memory,
on-chip voltage reference and up to 4 channels
of 10-bit A/D. The exibility of Flash and an
excellent development tool suite, including
a low-cost In-Circuit Debugger, In-Circuit
Serial Programming™ and MPLAB
®
ICE 2000
emulation, make these devices ideal for just
about any embedded control application.
TIPS ‘N TRICKS WITH HARDWARE
The following series of Tips ’n Tricks can be
applied to a variety of applications to help make
the most of the 8-pin dynamics.
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