参数资料
型号: DM183032
厂商: Microchip Technology
文件页数: 27/38页
文件大小: 0K
描述: BOARD EXPLORER PICDEM PIC18
产品培训模块: 8-bit PIC® Microcontroller Portfolio
标准包装: 1
系列: MPLAB®
类型: MCU
适用于相关产品: PIC18 系列
所含物品: 评估板
产品目录页面: 659 (CN2011-ZH PDF)
相关产品: MA180030-ND - BOARD DEMO PIC18F47J13 FS USB
MA180029-ND - BOARD DEMO PIC18F47J53 FS USB
MA180028-ND - MOD PLUG-IN PIC18F87K22 PIM
MA180026-ND - MODULE PLUG-IN PIC18F45K20
MA180023-ND - MODULE PLUG-IN PIC18F46J11 PIM
MA180024-ND - MODULE PLUG-IN 18F46J50 FS USB
MA180018-ND - MODULE PLUG-IN 18F85J11
MA180020-ND - MODULE PLUG-IN HPC EXPL 18F87J11
MA180021-ND - MODULE PLUG-IN 18F87J50 FS USB
MA180016-ND - MODULE PLUG-IN PICDEM HPC BLANK
更多...
PICDEM? PIC18 EXPLORER
DEMONSTRATION BOARD
USER ’S GUIDE
Chapter 3. PICDEM? PIC18 Explorer Demonstration
Board Tutorial Program
The tutorial program is preprogrammed into the PIC18F8722 on the PICDEM PIC18
Explorer Demonstration Board. This program is also on the PICDEM PIC18 Explorer
Demonstration Board kit’s CD-ROM so that it can be reprogrammed on the sample
device if it the device had been preprogrammed.
For detailed information on the PICDEM PIC18 Explorer Demonstration Board
3.1
TUTORIAL PROGRAM OPERATION
The tutorial program consists of three components that appear sequentially on the
board’s LCD. A flowchart, showing the button navigation through the entire program, is
given in Figure 3-2.
When the board boots up, the device name appears on the LCD and the program
proceeds to the first component.
To select menu options, use the RB0 and RA5 buttons on the bottom of the board (see
Figure 3-1).
FIGURE 3-1:
RB0 AND RA5 BUTTONS
RB0 Button
RA5 Button
1. Voltmeter
This mode uses the Analog-to-Digital Converter (A/D) module to measure the voltage
of the R3 potentiometer and display a value between 0.00V and 5.00V on the LCD. (In
the case of 3.3V devices, the displayed value will be 0.00V to 3.3V.)
The voltage reading is updated continually until the mode is exited by pressing RB0 .
2. Temperature
This mode uses an MCP9701A thermal sensor to measure ambient temperature in
Celsius and displays it on the LCD. The program also stores the current temperature,
when exited, by writing to a defined address on the external, on-board EEPROM.
Communication between the microcontroller and sensor is done by the A/D module.
To exit this mode, press RB0 .
? 2008 Microchip Technology Inc.
DS51721B-page 23
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