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参数资料
型号： 101-1069
厂商： Rabbit Semiconductor
文件页数： 80/160页
文件大小： 0K
描述： KIT DEVELOPMENT RCM3305 US
标准包装： 1
系列： RabbitCore 3000
类型： MPU 模块
适用于相关产品： RCM3305
所含物品： RabbitCore 模块、开发板、交流适配器、缆线和 Dynamic C? 光盘
其它名称： 316-1129
20
RabbitCore RCM3305/RCM3315
SIMPLE3WIRE.C
—This program demonstrates basic RS-232 serial communication.
Lower case characters are sent by TxE, and are received by RxF. The characters are
converted to upper case and are sent out by TxF, are received by RxE, and are displayed
in the Dynamic C STDIO window.
To set up the Prototyping Board, you will need to tie
TxE and RxF together on the RS-232 header at J14, and
you will also tie RxE and TxF together as shown in the
diagram.
SIMPLE5WIRE.C
—This program demonstrates 5-wire RS-232 serial communication
with flow control on Serial Port F and data flow on Serial Port E.
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.
Once you have compiled and run this program, you can
test flow control by disconnecting TxF from RxF while the program is running. Char-
acters will no longer appear in the STDIO window, and will display again once TxF is
connected back to RxF.
SWITCHCHAR.C
—This program transmits and then receives an ASCII string on Serial
Ports E and F. It also displays the serial data received from both ports in the STDIO
window.
To set up the Prototyping Board, you will need to tie
TxE and RxF together on the RS-232 header at J14, and
you will also tie RxE and TxF together as shown in the
diagram.
Once you have compiled and run this program, press
and release S2 and S3 on the Prototyping Board. The data sent between the serial ports
will be displayed in the STDIO window.
Two sample programs, SIMPLE485MASTER.C and SIMPLE485SLAVE.C, are available
to illustrate RS-485 master/slave communication. To run these sample programs, you will
need a second Rabbit-based system with RS-485—another Rabbit single-board computer
or RabbitCore module may be used as long as you use the master or slave sample program
associated with that board.
Before running either of these sample programs on the RCM3305/RCM3315 assembly,
make sure pins 1–2 and pins 5–6 are jumpered together on header JP5 to use the RS-485
bias and termination resistors. The sample programs use Serial Port C as the RS-485 serial
port, and they use PD7 to enable/disable the RS-485 transmitter.
J14
TxE RxE GND TxF RxF 485+ GND 485
J14
TxE RxE GND TxF RxF 485+ GND 485
J14
TxE RxE GND TxF RxF 485+ GND 485
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