Dorji DAC02 User manual

DAC02
Revision 1.10 Page of 2 Aug. 2010
1
Operation Manual for USB Converter Board V1.10
The function of kit DAC02 is to convert UART signal to USB signal and provides the interface for
customers to configure the settings of modules through PC software tool. This manual
demonstrates how to use DAC02 in setting mode and normal work mode for different modules.
1. In Setting Mode
The RF FSK modules provided by DORJI are mainly based on RFICs from Silicon labs, ADI
and Semtech. DORJI provides two software tools for different RF modules. The USB
converter board has a 6-hole socket but for DRF1212, DRF4432 and DRF7020D13/20
modules they have 7 pins so the 7th pin of modules must be kept in floating status in
connection. The Pin 1 (marked as 1 on the top of USB board) is corresponding to the Pin 1
(GND pin) of RF modules.
Figure 1: Connecting Status
When configuring module, users should insert the module into USB converter board
correctly and connect it to PC and then open software tool. After the tool finds the module
and shows “Found device” in the status line at the bottom, users then can write/read
modules through corresponding buttons. After successful operation, the message “Write
succeed” or “Read succeed” will be showed in the status line.
Module Type Software Tool
DRF1212D10, DRF4432D20 DRF Tool for 1212/4432 series
DRF7020D series, DRF7020M series DRF Tool for ADF702X series
Table 1 Module Type Vs Software Tool
Note: If the software tool is run before module is connected to PC, an alert window will
show up and display “No serial port is found”. Users only need to click the
button to confirm, close and reopen the tool after module is connected correctly.
2. In Normal Work Mode
The main function of USB converter board is to configure modules through PC so the kit is
not tailor-made for testing communications between modules. Different modules have
different level requirements on control pins in order to work in normal mode. The table

DAC02
Revision 1.10 Page of 2 Aug. 2010
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below shows the difference among modules.
SET-A/EN SET-B/SET Module Type
LO LO/HI DRF1212D10
LO HI DRF4432D20
HI HI DRF7020D series, DRF7020M series
Table 2 Level Controls in Normal Communication Mode
1) For DRF1212 modules, the 3rd pin is SET-A and the 7th pin is SET-B. In normal communication
mode, the SET-A must be low and SET-B can be low/high (Normal mode/Wake-up mode). The USB
converter board uses IC CP2102 from Silicon labs and its RTS pin is corresponding to SET-A pin of
DRF1212 module. In order to test communication between modules successfully, users should
choose serial port software which provides RTS option and keep RTS selected so that the SET-A pin
is pull down and the DRF1212 modules will work in wake-up mode.
2) For DRF4432 modules, the 3rd pin is Enable pin and in normal work mode it must be set to low.
The 7th pin is Data/field strength indication pin. When it is sent to high, the module outputs normal
data or else it outputs field strength value. For the same reason, DRF4432 modules must be tested by
serial port software with RTS option.
3) As to DRF7020D/7020M series, the 3rd pin is Enable pin and in normal mode it must be set to
high. The 7th pin is SET pin and it is set to low when modules need to be configured. These series of
modules can work correctly when tested under common serial port software.
Dorji Applied Technologies
A division of Dorji Industrial Group Co., Ltd
Add.: Xinchenhuayuan 2, Dalangnanlu, Longhua,
Baoan district, Shenzhen, China 518109
Tel: [phone]
Fax.: [phone]
Email: [email protected]
Web: http://www.rfmodule.me
Dorji Industrial Group Co., Ltd reserves the right to
make corrections, modifications, improvements and
other changes to its products and services at any time
and to discontinue any product or service without
notice. Customers are expected to visit websites for
getting newest product information before placing
orders.
These products are not designed for use in life support
appliances, devices or other products where
malfunction of these products might result in personal
injury. Customers using these products in such
applications do so at their own risk and agree to fully
indemnify Dorji Industrial Group for any damages
resulting from improper use.