20-101-1196 Rabbit Semiconductor, 20-101-1196 Datasheet - Page 23
![MODULE RABBITCORE RCM3900](/photos/6/74/67481/20-101-1196_sml.jpg)
20-101-1196
Manufacturer Part Number
20-101-1196
Description
MODULE RABBITCORE RCM3900
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-1196.pdf
(168 pages)
Specifications of 20-101-1196
Module/board Type
MPU Core Module
For Use With/related Products
RCM3900
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
20-101-1196
316-1155
316-1155
- Current page: 23 of 168
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3.2.2 Use of microSD™ Cards
The following sample program can be found in the SAMPLES\RCM3900\SD_Flash folder.
•
•
3.2.3 Serial Communication
The following sample programs can be found in the
•
RabbitCore RCM3900 User’s Manual
SDFLASH_INSPECT.C
microSD™ Card. When the sample program starts running, it attempts to initialize the
microSD™ Card on Serial Port B. The following five commands are displayed in the
Dynamic C
The sample program prints out a single line for a page if all bytes in the page are set to
the same value. Otherwise it prints a hex/ASCII dump of the page.
This utility works with the microSD™ Card at its lowest level, and writing to pages
will likely make the microSD™ Card unreadable by a PC. For PC compatibility, you
must use the Dynamic C FAT file system module, which allows you to work with files
on the microSD™ Card in a way that they will be PC-compatible.
SDFLASH_LOG.C
of hits in the microSD™ Card’s data flash. This log can be viewed and cleared from a
Web browser—see the
access the Web page and configure your PC or workstation.
FLOWCONTROL.C
Serial Port F for CTS/RTS with serial data coming from TxE (Serial Port E) at 115,200 bps.
One character at a time is received and is displayed in the
To set up the Prototyping Board, you will need to tie
TxE and RxE together on the RS-232 header at J14,
and you will also tie TxF and RxF together as shown in
the diagram.
A repeating triangular pattern should print out in the
STDIO
demonstrate the effect of hardware flow control. You may use an oscilloscope to
observe the CTS/RTS signals to see flow control operating
p — print out the contents of a specified page on the microSD™ Card
r — print out the contents of a range of pages on the microSD™ Card
c — clear (set to zero) all of the bytes in a specified page
f — sets all bytes on the specified page to the given value
t — write user-specified text to a selected page
window. The program periodically switches RTS (TxF) flow control on or off to
STDIO
—This program demonstrates hardware flow control by configuring
—This program demonstrates a simple Web server that stores a log
window if a microSD™ Card is found:
NFLASH_LOG.C
—This program is a utility for inspecting the contents of a
sample program for information on how to
SAMPLES\RCM3900\SERIAL
STDIO
window.
folder.
23
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