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| GS -702 Flexible Remote Control (FRC) Technology TM Transmitter GENERAL DESCRIPTION The GS 702 transmitter controller has been designed in order to meet the requirements of replacement remote control makers. It's structure is based on Application Specific Programmable Micro-controller with a super parallel architecture implemented by means of CMOS EPROM technology. GS 702 replaces most of the original transmitter ICs, used nowadays. Additionally, many parameters and functional features have been dramatically improved. A typical remote control implementation, shown on Fig 1 uses only four external components, and power consumption in stand-by mode is in the range of 100nA. In order to facilitate application project design for different type of protocols, a FRC CAD system and Chip Programmer are available. The CAD library contains more than 30 of most popular protocols, at present, and new ones could be developed and added by the user. GS 702 Transmitter Pin Description Pin No 1 2 3-10 11 12 13 14 15-22 23 24 Symbol OSC0 OSC1 OUT0-OUT7 VPP GND WRD PGM IN0-IN7 REM VCC Description Oscillator Output Oscillator Input Key Outputs Programming Voltage Ground Terminal for Test and EPROM Programming Terminal for Test and EPROM Programming Key Inputs, Internally Pull Down to GND Remote Output Positive Supply Electrical Characteristics (Ta=25o C) PARAMETER Supply Voltage Supply Current Output Current Input Pull Down R SYMBOL VCC ICC IREM Rio CONDITIONS VCC=3V,Standby VCC=2.2V VCC=3V MIN TYP 2.2 0.1 10 MAX 3.3 1 20 UNIT V uA mA kOhm GS 702 Specific Characteristics Key matrix: Ceramic resonator used: Transmission modes: Programming Time: Packages available: - 64 (8 X 8) buttons. - 400 /550 kHz - flash or modulated. - 3 / 5 sec. - DIL24, SOP24 and COB (Chip-On-Board) FRC CAD and Programmer features Every FRC remote control project contains three separate CAD sections, providing data for: - PCB key layout, - Protocol description (with all timings specification) and - Command Address/ Data info Programmable parameters: Key-type (Normal, Shift or Special), Modulation type, Resonator frequency, Bittime, Duty factor, etc. The implemented FRC CAD project is downloaded to the Chip Programmer and GS702 programming is performed in an autonomous (disconnected from the PC) mode. Application Scheme of GS702 Transmitter Controller K1 K2 K3 K4 K5 K6 K9 K 10 K 11 K 12 K 13 K 14 K 15 K 16 K 17 K 18 K 19 K 20 K 21 K 22 K 25 K 26 K 27 K 28 K 29 K 30 K 33 K 34 K 35 K 36 K 37 K 38 K 39 K 40 K 41 K 42 K 43 K 44 K 45 K 46 K 47 K 48 K 49 K 50 K 51 K 52 K 53 K 54 K 55 K 56 K 57 K 58 K 59 K 60 K 61 K 62 K 63 K 64 13 14 15 16 17 18 19 20 21 22 23 24 WrD Pgm IN_0 Gnd Vpp OUT_7 12 11 10 9 8 7 6 5 4 3 2 1 400 kHz to 550 kHz IN_2 IN_3 IN_4 IN_5 IN_6 IN_7 RemOut Vcc IR LED GS 702 IN_1 OUT_6 OUT_5 OUT_4 OUT_3 OUT_2 OUT_1 OUT_0 Osc_In Osc_Out K7 K8 K 23 K 24 K 31 K 32 Vcc For further information, please, contact us: Phone/FAX (+359) 723 66758 E-mail: conel@botevgrad.info conel-m@botevgrad.com http: www.conel-bg.com |
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