UNISONIC TECHNOLOGIES CO., LTD RCT6 CMOS IC REMOTE CONTROLLER WITH SEVEN FUNCTIONS DESCRIPTION The UTC RCT6 is a pair of CMOS LSIs designed for remote controlled car applications. The UTC RCT6 have seven control keys controlling the motions (i.e. forward, backward, rightward, leftward, two function keys, and the turbo function) of the remote controlled car. UTC RCT6 have Forward (Backward) combined with the turbo application. The UTC RCT6 is the sending electric circuit. FEATURES * Operating voltage range: 2.0V ~ 5.0V * Very low Stand-by current * Few external components needed * 7-function remote controller controlling Forward/Backward/Turbo/ Right-turn/Left turn/two function keys DIP-16 *Pb-free plating product number: RCT6L ORDERING INFORMATION Normal RCT6-D16-T Order Number Lead Free Plating RCT6L-D16-T Package Packing DIP-16 Tube RCT6L-D16-T (1)Packing Type (2)Package Type (3)Lead Plating www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd (1) T: Tube (2) D16: DIP-16 (3) L: Lead Free Plating, Blank: Pb/Sn 1 of 8 QW-R502-058,A RCT6 CMOS IC PIN CONFIGURATIONS RIGHTB 1 16 LEFIB TESTB 2 15 FIB GND 3 14 OSIC BACKWARDB 4 13 OSCO FORWARDB 5 12 PC TURBOB 6 11 V DD SC 7 10 SO NC 8 9 F2B PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PIN NAME RIGHTB NC GND BACKWARDB FORWARDB TURBOB SC NC F2B SO VDD PC OSCO OSCI F1B LEFTB DESCRIPTION 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 No connection F2 function select Output pin of the encoding signal without carrier frequency Positive power supply Power control output pin Oscillator output pin Oscillator input pin F1 function select The leftward function will be selected when this pin is connected to GND. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 8 QW-R502-058,A RCT6 CMOS IC BLOCK DIAGRAM OSCI OSCO RIGHTB LEFTB TURBOB FORWARDB BACKWARDB Timing Generator Oscillator Latch Circuit F1B Encoding Circuit Logic PC SO SC F2B Input Condition O/P Condition Forward Backward Turbo Forward = 60Hz Low Low Backward Low = 60Hz Low Forward + turbo = high Low = high Backward + turbo Low = high = high An Auto Shut-Off mechanism is built-in according to Toy Safety Requirement and effective during over-current situation in motor driver. The active high input applying to this Auto Shut-Off pin will turn off the motor. (VT pin, when unused, has to be connected to ground. The transfer point = 1.4V) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 8 QW-R502-058,A RCT6 CMOS IC ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT DC Supply Voltage VDD 2.0 ~ 5.0 V Input/Output Voltage GND -0.2 ~ VDD + 0.2 V Operating Temperature TOPR -20 ~ +85 ℃ Storage Temperature TSTG -40 ~ +150 ℃ Note 1.Absolute maximum ratings and operation rating recommended are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2.The device is guaranteed to meet performance specification within 0℃~+70℃ operating temperature range and assured by design from -20℃~+85℃. ELECTRICAL CHARACTERISTICS (VDD=4V, Ta=25℃, unless otherwise specified.) PARAMETER Operating Voltage Operating Current Stand-by Current SO O/P Driving Current (RF) AC O/P Frequency Oscillator Frequency SYMBOL VOPR IOPR ISTN-BY IDRSO FAUDIO FOSC TEST CONDITIONS Unload Full load VOH = 0.7V ROSC=130KΩ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 3 TYP 4 10 500 128 MAX UNIT 5 V 0.6 mA 1 µA mA Hz KHz 4 of 8 QW-R502-058,A RCT6 CMOS IC DATA FORMAT 500Hz, 3/4 duty F1 = "1" 500Hz, 1/4 duty F0 = "0" CODING METHOD The data string that UTC RCT6 receives is below: SO start code (5 bit) F B T R L F1 N1 N2 F2 Parity End an output code (16 bit, 32ms) RIGHT :s :n effect Data string: start code + data code + parity code + end code - start code = F1 F1 F1 F1 F0 - data code = F B T R L F1 N N F2 F = Forward B = Backward T = Turbo R = Right L = Left F1 = Function 1 F2 = Function 2 N = No used code F、B、T、R、L、F1、N、N、F2 all can have two date format, ”F1” or ”F0”, “F1” means the function is in effect, and “F0” means not. - parity code = for parity check - end code = for (latch data) * Data code can be any combination of F, B, T, R, L, F1, F2, except for F & B, and R & L. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 8 QW-R502-058,A RCT6 CMOS IC OUTPUT TABLES FUNCTION FORWARD LEFT + FORWARD RIGHT + FORWARD TURBO TURBO + FORWARD TURBO + LEFT + FORWARD TURBO + RIGHT + FORWARD BACKWARD BACKWARD + RIGHT BACKWARD + LEFT TURBO + BACKWARD TURBO + BACKWARD + RIGHT TRUBO + BACKWARD + LEFT LEFT RIGHT FUNCTION1 FORWARD + FUNCTION 1 FORWARD + TURBO + FUNCTION1 TURBO + FUNCTION1 BACKWARD + FUNCTION1 BACKWARD + TURBO + FUNCTION1 LEFT + FORWARD + FUNCTION1 RIGHT + FORWARD + FUNCTION1 F Z Z BACKWARD + TURBO + FUNCTION2 LEFT + FORWARD + FUNCTION2 RIGHT + FORWARD + FUNCTION2 LEFT + BACKWARD + FUNCTION2 RIGHT + BACKWARD + FUNCTION2 LEFT + FUNCTION2 RIGHT + FUNCTION2 OUTPUT STATUS T R L F1 F2 Blank = F0 H H Z H H H H H H H Z Z Z H H H H H H H H H H H H H H H H Z H H H Z H H H Z Z LEFT + BACKWARD + FUNCTION1 RIGHT + BACKWARD + FUNCTION1 LEFT + FUNCTION1 RIGHT + FUNCTION1 FUNCTION2 FORWARD + FUNCTION2 FORWARD + TURBO + FUNCTION 2 TURBO + FUNCTION2 BACKWARD + FUNCTION 2 B H Z H H Z H H Z H H H Z Z H Z Z H H H H H H H H H H H Z H H H H H H H H H H H H H H H H H H H = high level, Z = 60Hz flash Thus, from the table, we can see that there are more than 50 states of function combinations from 7 control keys. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 8 QW-R502-058,A RCT6 CMOS IC TYPICAL APPLICATION CIRCUIT (FOR REFERENCE ONLY) Transmitter (UTC RCT6 Fosc ≌ 128KHz) - 9V + AMP L R B F T 1 2 15 3 4 UTC 5 RCT6 6 7 14 13 8 R1 330Ω 16 SF1 R7 50K 100K R2 120K crystal C4 47P C3 0.02μP L2 C8 47P L3 27.145MHz 12 11 10 9 L1 Q1 C1 ZD1 0.02μP C5 47P Q2 R3 100Ω C2 33μP R5 33K C6 47P C9 R6 100P 100Ω C7 0.02μP C10 10P R4 6.8K UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 8 QW-R502-058,A RCT6 CMOS IC TEST CIRCUIT Fosc for UTC RCT6 ≌ 128KHz R.F Transmitter fosc = 128KHz 91KΩ 1KΩ 16 15 14 13 12 5V 100μF 11 10 9 6 7 UTC RCT6 1 LEETB FIB 2 RIGHIB 3 4 5 8 BACKWARDB TURBOB FORWARDB F2B UTC RCT6 output pin (SO) has an inverted phase with UTC RCR6C input (SI). If UTC RCT6 is connected without using a RF module, an inverter has to be inserted between this 2 pins. connect directly VDD UTC RCT6 VDD pin 10 SO VDD pin 3 UTC RCR6C SI 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. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 8 QW-R502-058,A