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| HM-TR v2.2 HM-TR Series UHF Wireless Transparent Data Transceiver General The HM-TR series UHF wireless transparent data transceiver, developed by Hope Microelectronics Co. Ltd, is designed for applications that need wireless data transmission. It features high data rate, longer transmission distance, programmable frequencies, configurable UART formats and low sleep current make it ideal choice. The communication protocol is self controlled and completely transparent to users. The module can be embedded to your existing design so that low cost high performance wireless data communication can be utilized easily. Features 1. FSK (Frequency Shift Keying) modulation, high interference immunity 2. 2-way half-duplex communication 3. 315/433/868/915MHz ISM band, globally license free. 4. Programmable frequencies, allowing be used in FDMA (Frequency Division Multiple Access) applications 5. Self controlled RF to UART protocol translation, reliable and easy to use. 6. Configurable UART format, with data rate from 300~19200bps 7. Using ENABLE pin to control duty-cycle to satisfy different application requirements 8. High performance, long transmission range. >300m in open area 9. Standard UART interface, with TTL or RS232 logic level available 10. Compact size, standard 0.1" pinch SIP connector and SMA antenna socket 11. No RF tuning needed in application Application Areas 1Remote control, remote measurement system 2. Wireless metering 3. Access control 4. Identity discrimination 5. Data collection 6. IT home appliance 7. Smart house products 8. Data store and forward repeater Overview and Pin assignment HM-TR/232 HM-TR/TTL Note: The `232' version has a on-board MAX232CSE converter, which is not fitted on the `TTL' version Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com update: 6/16/2008 HM-TR v2.2 Pin 1 2 3 4 5 6 name VDD DTX GND DRX CONFIG ENABLE note Power supply Data output from module Ground Data input to module If this pin is high at power on, module will enter configure mode, while it communicates if set low If this pin is low in normal mode, the module will enter sleep mode immediately. Assert high will awaken Parameters pamameter Power supply Operate temperature Operate frequency condition min 4.5 -35 430.24 860.48 900.72 typical 5.0 25 434 869 915 max 5.0 80 439.75 879.51 929.27 V MHz HM-TR433 HM-TR868 HM-TR915 Max output power HM-TR433 HM-TR868 HM-TR915 Transmitting power Receive sensitivity HM-TR433 HM-TR868 HM-TR915 3 -2 -2 Pmax-21 5 0 0 Pmax -105 -102 -102 dBm Pmax -100 -95 -95 dBm dBm TX current HM-TR433 HM-TR868 HM-TR915 26 28.5 30 mA RX current HM-TR433 HM-TR868 HM-TR915 15 16 17 mA Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com update: 6/16/2008 HM-TR v2.2 continued Sleep current HM-TR433/TTL HM-TR868/TTL HM-TR915/TTL 1 1 1 uA Reference distance HM-TR433/TTL HM-TR868/TTL HM-TR915/TTL 15 67 300 5 None 1 330 220 230 240 400 19200 9 Even 2 m Modulate deviation Receiver bandwidth UART data rate UART data bits UART parity check UART stop bits ANT connector Module size 9600 8 Odd 1 kHz kHz bps bit bit SMA female 24x43mm Quick Setup Connect HM-TR/232 to the RS232 connector of serial fitted PC or connect HM-TR/TTL to MCU(micro controller unit)'s UART directlyapply power supply, both RED and GREEN status LED will blink 3 times to indicate it is ready for your application. If CONFIG pin is low at power on, module will enters normal mode for data transmission, or CONFIG is high the module enters configure mode to setup work parameters Note: MCU=Micro Controller Unit, PC=Personal Computer, GPIO=General Purpose Input/Output Normal mode connection In normal mode, the ENABLE pin controls the module work or sleep, module will enter sleep mode as soon as the pin is low level. Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com update: 6/16/2008 HM-TR v2.2 Configure mode connection (HM-TR/232) Configure mode connection (HM-TR/TTL) In configure mode, the module work parameters can be setup via the HM-TR setup utility, with the communication format between module and computer fixed at: 9600, 8, N, 1. see below: Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com update: 6/16/2008 HM-TR v2.2 HM-TR SETUP UTILITY "Read" button: Read the parameters the module currently use; "Write" button: Write new configuration to module; "Default" button: Recover module parameters as default value Ordering Information Model Logic Level HM-TRxxx/TTL TTL HM-TRxxx/232 RS232 232 versions usually are used in PC or equivalent, TTL version suited for simple 5V MCU system. Module Naming Rule HM-TR 315 / TTL Logic LevelTTL--TTL 232--RS232 Frequency 315 band--315MHz; 433 band--434MHz 868 band--869MHz 915 band--915MHz TX or RXTR--TX and RX Product Code Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com update: 6/16/2008 HM-TR v2.2 Mechanical outline: This document may contain preliminary information and is subject to change by Hope Microelectronics without notice. Hope Microelectronics assumes no responsibility or liability for any use of the information contained herein. Nothing in this document shall operate as an express or implied license or indemnity under the HOPE MICROELECTRONICS CO.,LTD Address: Rm B.8/F LiJingGe Emperor Regency 6012 ShenNan Rd, Shenzhen, China Tel: 86-755-82973805 Fax: 86-755-82973550 Email: sales@hoperf.com hopefsk@hoperf.com Website: http://www.hoperf.com http://www.hoperf.cn http://hoperf.en.alibaba.com (c)2006, HOPE MICROELECTRONICS CO.,LTD. All rights reserved. intellectual property rights of Hope Microelectronics or third parties. The products described in this document are not intended for use in implantation or other direct life support applications where malfunction may result in the direct physical harm or injury to persons. NO WARRANTIES OF ANY KIND, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MECHANTABILITY OR FITNESS FOR A ARTICULAR PURPOSE, ARE OFFERED IN THIS DOCUMENT. Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com update: 6/16/2008 |
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