unisonic technologies co., ltd rcr6c preliminary cmos ic www.unisonic.com.tw 1 of 8 copyright ? 2015 unisonic technologies co., ltd qw-r502-835.d remote controller with seven functions ? description the utc rcr6c is a cmos lsi and designed as receiver that complement to utc rct6 for remote controlled car applications. it provide seven control keys cont rolling the motions, which are forward, backward, rightward, leftward, two function keys, and the turbo function, of the remote controlled car. utc rcr6c have forward (backward) combined with the turbo application. during normal operat ion without turbo, forward (backward) output from utc rct6 sends a 60hz signal. when forward (backward) and turbo are both in effect, the output signal becomes completely high. ? features * operating voltage range: 2.4v~4.5v * rcr6c-a built-in 3.6v zener rcr6c-b built-in 4.2v zener rcr6c-c built-in 5.0v zener * few external components needed * 7-function remote controller controlling forward/ backward/ turbo/ right-turn/ left turn/ two function keys * complement to utc rct6. ? ordering information order number lead free halogen free package packing - rcr6cg-x-d18-t dip-18 tube rcr6cl-x-d20-t RCR6CG-X-D20-T dip-20 tube ? marking dip-18 dip-20
rcr6c preliminary cmos ic unisonic technologies co., ltd 2 of 8 www.unisonic.com.tw qw-r502-835.d ? pin configurations dip-18 dip-20 ? pin description pin no. dip-18 dip-20 pin name description 1 1 v out2 inverter 2 output pin for power amplify 2 2 gnd negative power supply 3 3 si input pin of the encoding signal 4 4 osci oscillator input pin 5 5 osco oscillator output pin 6 6 f1 f1 function output pin 7 7 right rightward output pin 8 8 f2 f2 function output pin 9 9 left leftward output pin 10 10 v t auto shut-off input pin if v t voltage exceeds 1.4v, all out puts shut off automatically. 11 rdb with pull-up resistor, rightward func tion disabled if this pin connected to gnd 12 ldb with pull-up resistor, leftward function disabled if this pin connected to gnd 11 13 lrtd if connect gnd ,left/right+ turbo is disable 12 14 backward backward output pin 13 15 forward forward output pin 14 16 turbo turbo output pin 15 17 v dd positive power supply 16 18 v in1 inverter 1 input pin for signal amplify 17 19 v out1 inverter 1 output pin for signal amplify 18 20 v in2 inverter 2 input pin for signal amplify
rcr6c preliminary cmos ic unisonic technologies co., ltd 3 of 8 www.unisonic.com.tw qw-r502-835.d ? block diagram oscillator timing generator latch control logic vt right left turbo forward backward counter lrtd osci osco decoding circuit f1 f2 si amp v out2 v out1 v in1 v in2 pla o/p condition input condition forward backward turbo forward =60hz low low backward low =60hz low forward + turbo =high low =high backward + turbo low =high =high note: an auto shut-off mechanism is bu ilt-in according to toy safety requirem ent 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. (v t pin, when unused, has to be connected to ground. the transfer point =1.4v)
rcr6c preliminary cmos ic unisonic technologies co., ltd 4 of 8 www.unisonic.com.tw qw-r502-835.d ? absolute maximum ratings parameter symbol ratings unit dc supply voltage v dd 2.4~4.5 v input/output voltag e gnd-0.2~ v dd +0.2 v operating temperature t opr -10~+60 c storage temperature t stg -25~+125 c note: absolute maximum ratings are those values be yond which the device coul d be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (t a =25c, v dd =3.5v, f osc =128khz, unless otherwise specified.) direct driving: no connect a re sistance between power and ic?s v dd pin. parameter symbol test conditions min typ max unit operating voltage v opr 2.4 4.5 v rcr6c-a 15 rcr6c-b 0.6 supply current i dd unload rcr6c-c 0.5 ma o/p driving current i drive v oh =0.7v 5.0 ma o/p driving current (f1, f2) i drive v oh =0.7v 5.0 ma effect decoding (frequency variation) f tolerance -50 50 % oscillator frequency f osc 128 khz oscillator frequency tolerance ftolerance utc rct6 fosc=128khz -20 +20 %
rcr6c preliminary cmos ic unisonic technologies co., ltd 5 of 8 www.unisonic.com.tw qw-r502-835.d ? data format f1 = "1" f0 = "0" 500hz, 3/4 duty 500hz, 1/4 duty ? coding method the data string that utc rcr6c receiver is below: data string: start code + dat a code + parity code + end code - start code = f1 f1 f1 f1 f0 - data code = b t rlf1nn f2 f 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
rcr6c preliminary cmos ic unisonic technologies co., ltd 6 of 8 www.unisonic.com.tw qw-r502-835.d ? output tables output status function f b t r l f1 f2 forward z left+forward z h right+forward z h turbo h turbo+forward h h turbo+left+forward h h h turbo+right+forward h h h backward z backward+right z h backward+left z h turbo+backward h h turbo+backward+right h h h turbo+backward+left h h h left h right h function1 h forward+function1 z h forward+turbo+function1 h h h turbo+function1 h h backward+function1 z h backward+turbo+function1 h h h left+forward+function1 z h h right+forward+function1 z h h left+backward+function1 z h h right+backward+function1 z h h left+function1 h h right+function1 h h function2 h forward+function2 z h forward+turbo+function2 h h h turbo+function2 h h backward+function2 z h backward+turbo+function2 h h h left+forward+function2 z h h right+forward+ function2 z h h left+backward+function z h h right+backward+function2 z h h left+function h h right+function2 h h h = high level, z = 60hz flash, blank=l thus, from the table, we can see that there are more than 50 stat es of function combinations from 7 control keys. ? note (1) lrtd pin functions as an option pin for left/right turbo disable. "lrtd" key selected output function high (open) forward + left (right) + turbo forward + left (right) + turbo low forward + lett (right) + turbo forward + left (right) (2) the utc rcr6c have built in a zener diode, so you must add a resistance between power and ic?s v dd pin, like the r6 of utc rcr6c application circuit.
rcr6c preliminary cmos ic unisonic technologies co., ltd 7 of 8 www.unisonic.com.tw qw-r502-835.d ? typical application circuit (for reference only) receiver (utc rcr6c dip-18 fosc 128khz)
rcr6c preliminary cmos ic unisonic technologies co., ltd 8 of 8 www.unisonic.com.tw qw-r502-835.d ? test circuit fosc for utc rcr6c 128khz utc rcr6c dip-18 1 23 4 5 6 7 8 16 15 14 13 12 11 10 9 17 18 100 m + - 1n4148 10 f 1 200k 1m f1 f2 5v left right r.f receiver forward turbo backward utc rct6 output pin (so) has an inverted phase with utc rcr6c input (si). if utc rct6 is connected without using a r f module, an inverter has to be inserted between this 2 pins. 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.
|
