参数资料
| 型号： | MCP215XDM |
| 厂商： | Microchip Technology |
| 文件页数： | 20/58页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO FOR MCP215X |
| 产品培训模块： | PIC18 J Series MCU Overview |
| 标准包装： | 1 |
| 主要目的： | 接口，IrDA |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | MCP2150，MCP2155 |
| 主要属性： | 带 PIC18F MCU 的 IrDA 控制器 |
| 次要属性： | 设置为数据记录器，带 LCD，GUI，用于 EEPROM 的插口，可电池供电 |
| 已供物品： | 板，电源 |
| 产品目录页面： | 685 (CN2011-ZH PDF) |
| 相关产品： | MCP2155T-I/SO-ND - IC IRDA PROTOCOL CONTRLR 18-SOIC MCP2150T-I/SO-ND - IC IRDA STD CONTROLLER 18SOIC MCP2150T-I/SS-ND - IC IRDA STD CONTROLLER 20SSOP MCP2155T-I/SS-ND - IC IRDA PROTOCOL CONTRLR 20-SSOP MCP2155-I/SO-ND - IC IRDA PROTOCOL CTRLR 18SOIC MCP2155-I/P-ND - IC IRDA PROTOCOL CTRLR 18DIP MCP2155-I/SS-ND - IC IRDA PROTOCOL CTRLR 20SSOP MCP2150-I/SS-ND - IC IRDA STD CONTROLLER 20SSOP MCP2150-I/SO-ND - IC IRDA STD CONTROLLER 18SOIC MCP2150-I/P-ND - IC IRDA STD CONTROLLER 18DIP |
| 其它名称： | MCP215XDMR MCP215XDMR-ND |
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MCP215X Data Logger Demo Board User’s Guide
2.3.2
The Embedded System Firmware Overview
There are two PIC16F877 firmware programs that can be demonstrated on the demo
board. These are:
? A vending machine that allows the uploading of data and responds to the
commands of the Primary device
? A 250-byte secondary device (S) to primary device (P) data transfer. This
demonstrates the S → P data throughput
The 250-byte Secondary device (S) to Primary device (P) data transfer program has
two options. These are:
1. Transfer data from the Host Controller (PIC16F877) to the MCP2150 while the
CTS signal is low.
2. Transfer 64 bytes of data from the Host Controller (PIC16F877) to the MCP2150
after CTS signal falling edge.
Option 2 will demonstrate higher S → P data throughput.
Typical Primary devices include Palm or Pocket PC PDAs and laptop PCs with an IrDA
standard infrared port. The embedded system acts as an IrDA standard Secondary
device.
The PIC16F877 firmware follows the flow control of the host UART interface. These are
the signals between a Host Controller and a MCP2150 device.
The details of the vending machine firmware operation are discussed in
The details of the “250 byte Secondary Device (S) to Primary Device (P) Data Transfer”
The MCP215X Data Logger Demo Board LCD module will display information on the
state of the firmware execution. This information includes queries for user input.
The selection of the program is dependant on the switches (SW2 and SW3) that are
depressed (see Figure 2-4).
TABLE 2-2:
DEMO PROGRAM SELECTION
SW3
SW2 Demo Program
—
—
D
D
—
D
—
D
N/A
(waiting for a switch to be depressed)
Vending machine
Not implemented
S → P Transfer 250-bytes from demo board to Primary device (PDA)
Note:
D = Depressed
— = Not depressed
The MCP2150/MCP2155 source code of the MCP215X Data Logger Demo Board is
available for download from the Microchip web site at www.microchip.com. This board
also supports the MCP2155 device with only a change of the PIC16F877 firmware. The
MCP2140 can be supported with some hardware modifications and changes to the
PIC16F877 firmware.
DS51516A-page 16
? 2004 Microchip Technology Inc.
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