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| UTC RCT2E ENCODER FOR REMOTE CONTROLLER WITH FIVE FUNCTIONS DESCRIPTION The UTC RCT2E can be used with the decoder UTC RCR2C to provide a complete control functions to the remote-controlled toy. The UTC RCT2E is the transmitter. It is provide five function keys to control forward, Backward, Rightward, Leftward and Turbo motions. Beside, a combination of these five motions can be played. UTC RCT2E is built with auto Power-OFF function. When input key is pulled low, UTC RCT2E will wake up, SC and SO will continuously send out code in RF format (Non-Carrier) and IR format (Carrier). However, when a complete code is sent out and the key is released, UTC RCT2E will automatically go into powered-off mode. CMOS IC DIP-14 FEATURES * Wide and Low operating voltage range: 1.8V ~ 5.0V * 5-function remote controller controlling forward/ backward/ turbo/ right/ left. * Provide two transmissive interface (RF and IR) for different application. * Auto Power-OFF function * Few external components needed and Oscillator with an external resistor. * Low Standby current and low operating current. * Long distance Remote Control to 100M in UTC RCT2E and UTC RCR2C pairing. * Typical oscillator frequency: RF: 116 ~ 140KHz. IR: 114KHz(Carrier Frequency: 57KHz). IR: 76KHz(Carrier Frequency: 38KHz). UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R502-027,B UTC RCT2E PIN CONFIGURATION CMOS IC RIGHTB NC GND BACKWARDB FORWARDB TURBOB SC 1 2 3 4 5 6 7 14 13 12 11 10 9 8 LEFTB NC OSCI OSCO PC VDD SO PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 14 PIN NAME RIGHTB NC GND BACKWARDB FORWARDB TURBOB SC SO VDD PC OSCO OSCI LEFTB FUNCTION The rightward function will be selected when this pin is connected to GND. No connection Negative power supply The backward function will be selected when this pin is connected to GND. The forward function will be selected when this pin is connected to GND. The turbo function will be selected when this pin is connected to GND. Output pin of the encoding signal with carrier frequency Output pin of the encoding signal without carrier frequency Positive power supply Power control output pin. When any function key is pulled low, PC will be high logic. Oscillator output pin Oscillator input pin The leftward function will be selected when this pin is connected to GND. BLOCK DIAGRAM OSCI OSCO Oscillator Timing Generator TURBOB LEFTB RIGHTB FORWARDB BACKWARDB Input Circuit Encoding Circuit Output Circuit PC SO SC UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R502-027,B UTC RCT2E ABSOLUTE MAXIMUM RATINGS PARAMETER DC Supply Voltage Input/Output Voltage Operating Temperature Storage Temperature CMOS IC SYMBOL VDD Topr Tstg RATINGS -0.3 ~ 6.0 GND -0.2 ~ VDD+0.2 -10 ~ 60 -25 ~ 125 UNIT V V ELECTRICAL CHARACTERISTICS (VDD=4.5V, Fosc=116 ~ 140KHz, Ta=25, unless otherwise specified.) PARAMETER Supply Voltage Input Low Voltage Stand by Current Operating Current SO Driving Current SC Driving Current PC Driving Current Oscillator Frequency Tolerance SYMBOL VDD ViL IStandBy IDD IDrSO IDrSC IDrPC Ftolerance TEST CONDITIONS Function Input Pin Unload Unload Load=0.7V Load=0.7V Load=0.7V UTC RCR2C FOSC=128KHz MIN 1.8 TYP 4.5 MAX UNIT 5.0 2.3 10 0.6 V V A mA mA mA mA % 6.5 6.5 6.5 -20 +20 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R502-027,B UTC 9V ANTENNA U1 1 RIGHTB LEFTB NC GND OSCI 11 crystal C2 47p Q2 C945 C9 100p R5 35K C8 47p R6 100 C10 10p 10 9 8 C7 47F R4 100 D1 3.8V R7 6.8K C6 104 Q1 C945 C5 47p BACKB OSCO FORWB TURBOB SC UTC RCT2E SO VDD PC 12 NC 13 R1 150K L2 2.7H 2 3 4 5 6 7 R2 330 R3 120K L1 4.7H C1 47p 14 C3 47F C4 104 L3 UTC RCT2E Transmitter (FOSC = 116 ~ 140 KHz) TYPICAL APPLICATION CIRCUIT UNISONIC TECHNOLOGIES CO., LTD. CMOS IC QW-R502-027,B 4 UTC RCT2E INFRARED APPLICATION CIRCUIT Transmitter (FOSC = 114 KHz CMOS IC + DC: 3V 100F 1 ~ 4.7 14 LEFTB 13 NC 12 F = 114KHz 11 OSCO 10 PC 9 VDD 8 SO Photo Diode OSCI UTC RCT2E RIGHTB 1 NC 2 GND 3 BACKWARDB 4 FORWARDB 5 TURBOB 6 SC 7 8050 TESTING CIRCUIT The oscillator frequency is 116 ~ 140KHz 150K 14 LEFTB 13 NC 12 OSCI 11 OSCO 10 PC 9 VDD 8 SO 16 15 14 VI1 13 12 11 10 BACKWARD 9 MOD VI2 VO1 VDD TURBO FORWARD + 100F UTC RCT2E RIGHTB NC GND BACKWAREB FORWARDB TURBOB SC VO2 GND SI OSCI UTC RCR2C OSCO RIGHT LEFT LX 1 2 3 4 5 6 7 1 2 3 4 140K 5 6 7 8 UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R502-027,B UTC RCT2E COB BONDING FIGURE NO 1 2 3 4 5 6 7 8 9 10 11 12 CHIP SIZE: 900x1020m2 SUBSTRATE: VDD 13 14 CMOS IC NAME RIGHTB NC GND BACKWARDB FORWARDB TURBOB SC SO VDD PC OSCO OSCI NC LEFTB X -354.5 -354.5 -354.5 -213.5 -78 354 354 354 209.5 68.5 -72.5 -213.5 -354.5 -354.5 Y -95.5 -231 -420 -420 -420 -420 -115 419.5 419.5 419.5 419.5 419.5 419.5 40 UNIT:m UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 6 QW-R502-027,B |
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