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参数资料
| 型号： | DM163035 |
| 厂商： | Microchip Technology |
| 文件页数： | 59/96页 |
| 文件大小： | 0K |
| 描述： | KIT DEVELOPMENT PICDEM LAB |
| 标准包装： | 1 |
| 系列： | PICDEM™ |
| 类型： | MCU |
| 适用于相关产品： | PIC10F206，PIC16F690，PIC16F819 |
| 所含物品： | 板，线缆，元件，CD，PICkit 编程器 |
| 产品目录页面： | 659 (CN2011-ZH PDF) |
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General Purpose Input/Output Labs
The PB_PressISR() now checks to see if the voltage level on RA2 has changed
state from a 1-to-0 or from 0-to-1. Each condition will change the direction that the
LEDs flash sequentially. Note that the direction bit toggle used in previous labs has
been replaced by assigning either a ‘ 1 ’ for the left-to-right direction or ‘ 0 ’ for the
right-to-left direction. As discussed earlier, the PORTA register must be read before the
first interrupt can occur and at the end of each subsequent ISR execution to ensure that
the microcontroller has an up-to-date reference to measure the current state of the RA2
pin.
The Initialize() for this lab configures the peripherals and interrupts as follows:
? PORTC
- Clears PORTC
- Configures all pins as digital output
? PORTA
- Clears PORTA
- Configures RA2 as a digital input
? Timer0
- Uses the F OSC /4 as clock source
- Increment TMR0 on rising F OSC /4 clock edge
- Use Prescaler at 1:32
? Global Variables
- Initialize direction to ‘ 0 ’
- Initialize LED_Output to ‘ 0 ’
? Interrupt
- Enable RA2 Interrupt-on-Change
- Enable change interrupts in INTCON by setting the RABIE bit
- Clear the RABIF change interrupt flag in INTCON
- Enable Global Interrupts by setting GIE
- Read PORTA to latch current value on RA2 for reference
3.4.6.3
PROCEDURE
Using the firmware developed in the previous lab, make the following changes:
1. Copy/paste the code in Example 3-26 into the PB_PressISR() over the code
from the previous lab.
? 2009 Microchip Technology Inc.
DS41369A-page 55
相关PDF资料 |
PDF描述 |
|---|---|
| DM164120-1 | BOARD DEMO PICKIT 2 LP COUNT |
| DM164120-3 | BOARD DEMO PICKIT2 28-PIN |
| DM164120-5 | BOARD DEMO PICKIT 2 64/80-PIN |
| DM164123 | KIT MANAGEMENT SYSTEM PICDEM |
| DM180021 | KIT STARTER MPLAB FOR PIC18F MCU |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DM163035+TEFLCST3 | 制造商:Microchip Technology Inc 功能描述:KIT PICDEMLAB+FLOWCODE-HOME BUNDLE/ 制造商:Microchip Technology Inc 功能描述:PICDEM, FLOW CODE, LAB, DEV KIT |
| DM163045 | 功能描述:开发板和工具包 - PIC / DSPIC PICDEM Lab Dev Kit (with PICkit 3) RoHS:否 制造商:Microchip Technology 产品:Starter Kits 工具用于评估:chipKIT 核心:Uno32 接口类型: 工作电源电压: |
| DM1-63-C | 功能描述:端子 Metric Fem Disc non-insulated RoHS:否 制造商:AVX 产品:Junction Box - Wire to Wire 系列:9826 线规:26-18 接线柱/接头大小: 绝缘: 颜色:Red 型式:Female 触点电镀:Tin over Nickel 触点材料:Beryllium Copper, Phosphor Bronze 端接类型:Crimp |
| DM1-63M-C | 功能描述:端子 Metric Male Disc non-insulated, 0 RoHS:否 制造商:AVX 产品:Junction Box - Wire to Wire 系列:9826 线规:26-18 接线柱/接头大小: 绝缘: 颜色:Red 型式:Female 触点电镀:Tin over Nickel 触点材料:Beryllium Copper, Phosphor Bronze 端接类型:Crimp |
| DM164 | 制造商:SITI 制造商全称:SITI 功能描述:8x3-CHANNEL CONSTANT CURRENT LED DRIVER |
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