data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 1 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| features ? pt8a995 works as encoder and pt8a9961/9962/ 9963/9964 work as decoders supply voltage: 3.3v to 6.0v internal auto-shutdown function internal over-load protection to meet hd271 safety specification (996x) integrated rf circuit (995) two analog channels, one for tachospeed and the other for steering 32 steps for each of two analog channels fine tuning selection for two analog channels few external components needed closed loop adjustment for servo motor (996x) built-in voltage regulator (996x) package: 16-pin dip (995p), 20-pin dip (996xp), 20-pin soic (996xs), see ordering information. applications remote controller toys remote measurement ordering information part number package pt8a995p 16-pin dip pt8a9961p/9962p/9963p/9964p 20-pin dip pt8a9961s/9962s/9963s/9964s 20-pin soic general description the pt8a995 and pt8a996x provide a simple and economic solution for basic digital proportional r/c car toys. the chipset uses cmos lsi analog and mixed signal technology. they provide high quality encoder/decoder circuit. pt8a995 severs as an encoder. to obtain accurate timing easily, manchester encoding is employed. some digital modulation scheme can be used, e.g., general ask, ook, fsk and qpsk. ook is easy to implement and low cost. the pt8a996x provides a simple and cost effective solution for basic digital proportional r/c car toys with pt8a995 together. rf circuit in receiver side can demodulate rf signal. the demodulated signal will be amplified and filtered. after that, the base- band signal is formed. dpll is adopted to generate sampling clock. an internal a/d converter is required to make servo motor work well. the inputs are srv and offset. over-load protection mechanism is built-in to meet toy safety requirement. the pt8a996x provide four solutions for toy car by different capability servo. pt8a9961 PT8A9962 pt8a9963 pt8a9964 mini car small car middle car large car
data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 2 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| block diagram figure 1. block diagram of pt8a995 oscillator timing generator ad encoder & logic control rf osc osci osco sc ca1 ca2 f/b l/r offset1 offset2 rfout pc irout/sc f1 f2 figure 2. block diagram of pt8a9961/9962/9963/9964 s1 s2 part no. application 1 0 pt8a9961 mini car 1 1 PT8A9962 small car 0 1 pt8a9963 middle car 0 0 pt8a9964 large car osci osco osc power on vt1 ad srv si_ana si current limiter crc check header serial to parallel timing generator filter pwm & logic dpll left forward f2 right backward f1 vi1 vi2 vo1 vo2 v cc vref ref vt2 fc s1 s2 pull down pull up v cc gnd pid parameter
data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 3 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| pin configuration pin description table 1. pin description of pt8a995 .onni p. onnip .onnip .onni p. onni pe manni pe mannip emannip emanni pe manni pn oitpircse dn oitpircsed noitpircsed noitpircse dn oitpircsed 12 fn iplortnocnoitcnuf2f 21 fn iplortnocnoitcnuf1f 3t uor is eirraczhk83htiwedoctuptuo 4d n gd nuorg 5t uof rs eirraczhm94rom72htiwedoctuptuo 61 a ct upnirotallicsolatsyrczhm94rom72 72 a ct uptuorotallicsolatsyrczhm94rom72 8c se doctuptuo 91 tesff ot upnideepsfotnemtsujdatesfforofdesu 0 12 tesff ot upnignireetsfotnemtsujdatesfforofdesu 1 1v cc rewop 2 1oo c st uptuorotallicsolatsyrc 3 1oi c st upnirotallicsolatsyrc 4 1b / fd eepsdrawkcab&drawrofroftupni 5 1r / lt hgir&tfelelgnagnireetsroftupni 6 1c pt uptuolortnocrewop top view 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 f2 f1 irou t gnd rfout ca1 ca2 sc pc l/r f/b osci osco v cc offset2 offset1 p t 8a9 9 5 16-pin dip 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 forward backward right left gnd vt2 vt1 vo2 vi2 vo1 f2 f1 pc srv osci osco v cc si fc vi1 p t 8 a 996x 20-pin dip 20-pin soic
data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 4 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| . o n n i p. o n n i p . o n n i p . o n n i p. o n n i pe m a n n i pe m a n n i p e m a n n i p e m a n n i pe m a n n i pn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e d 1d r a w r o ft u p t u o d r a w r o f 2d r a w k c a bt u p t u o d r a w k c a b 3t h g i rt u p t u o t h g i r 4t f e lt u p t u o t f e l 5d n gd n g 62 t vt u p n i n o i t c e t o r p t i m i l t n e r r u c r o t o m b / f 71 t vt u p n i n o i t c e t o r p t i m i l t n e r r u c r o t o m r / l 82 o vt u p t u o y f i l p m a e g a t s d n o c e s e h t 92 i vt u p n i y f i l p m a e g a t s d n o c e s e h t 0 11 o vt u p t u o y f i l p m a e g a t s t s r i f e h t 1 11 i vt u p n i y f i l p m a e g a t s t s r i f e h t 2 1c ft u p t u o n o i t c e n n o c a b a t u f 3 1i st u p n i l a n g i s e d o c n e 4 1v c c r e w o p 5 1o c s ot u p t u o r o t a l l i c s o l a t s y r c 6 1i c s ot u p n i r o t a l l i c s o l a t s y r c 7 1v r st u p n i k c a b d e e f r o t o m o v r e s 8 1c pl o r t n o c f f o r e w o p o t u a 9 11 fl o r t n o c 1 n o i t c n u f 0 22 fl o r t n o c 2 n o i t c n u f table 2. pin description of pt8a9961/9962/9963/9964 maximum ratings (above which the useful life may be impaired. for user guidelines, not tested) storage temperature ........................................................ -25 o c to +85 o c ambient temperature with power applied ......................... 0 o c to +70 o c supply voltage to ground potential (inputs & v cc only) .... -0.5 to +7.0v supply voltage to ground potential (outputs & d/o only) -0.5 to +7.0v dc input voltage ................................................................ -0.5 to +7.0v dc output current ........................................................................ 20ma power dissipation ....................................................................... 500mw note: stresses greater than those listed under maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other condi- tions above those indicated in the operational sec- tions of this specification is not implied. exposure to absolute maximum rating conditions for ex- tended periods may affect reliability.
data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 5 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| m y sm y s m y s m y sm y sn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e ds n o i t i d n o c t s e ts n o i t i d n o c t s e t s n o i t i d n o c t s e t s n o i t i d n o c t s e ts n o i t i d n o c t s e tn i mn i m n i m n i mn i mp y tp y t p y t p y tp y tx a mx a m x a m x a mx a ms t i n us t i n u s t i n u s t i n us t i n u v c c e g a t l o v y l p p u s-0 . 4-5 . 5v v h i e g a t l o v h g i h t u p n i-v 7 . 0 c c -v c c v v l i e g a t l o v w o l t u p n i-0-v 3 . 0 c c v f c s o y c n e u q e r f r o t a l l i c s o-0 0 45 5 40 0 5z h k t a e r u t a r e p m e t n o i t a r e p o-0-0 7 o c recommended operation conditions dc electrical characteristics m y sm y s m y s m y sm y sn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e dn i pn i p n i p n i pn i ps n o i t i d n o c t s e ts n o i t i d n o c t s e t s n o i t i d n o c t s e t s n o i t i d n o c t s e ts n o i t i d n o c t s e tn i mn i m n i m n i mn i mp y tp y t p y t p y tp y tx a mx a m x a m x a mx a ms t i n us t i n u s t i n u s t i n us t i n u i c c t n e r r u c y l p p u s s t u p t u o , z h k 5 5 4 = k c o l c d e d a o l n u --3a m i b t s t n e r r u c y b d n a t s---0 0 5a u i h o t n e r r u c h g i h t u p t u os n i p n o i t c n u f v n i v = c c v 5 . 0 - 8 ---a m t n e r r u c h g i h t u p t u oc p5 1 ---a m i l o t n e r r u c w o l t u p t u os n i p n o i t c n u f v t u o v 5 . 0 = 8--a m t n e r r u c w o l t u p t u oc p--0 6a u i h i t n e r r u c h g i h t u p n i2 t v , 1 t v v n i v = c c -- 0 6a u t n e r r u c h g i h t u p n ii c s o , i s--0 1a u t n e r r u c h g i h t u p n is n i p t u p n i r e h t o--1a u i l i t n e r r u c w o l t u p n ii c s o , i s v n i v 0 = -- 0 1 -a u t n e r r u c w o l t u p n is n i p t u p n i r e h t o--1 -a u note: these specifications apply for v cc = 5.0v and 0 o c t a 70 o c, unless otherwise specified. m y sm y s m y s m y sm y sn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e ds n o i t i d n o c t s e ts n o i t i d n o c t s e t s n o i t i d n o c t s e t s n o i t i d n o c t s e ts n o i t i d n o c t s e tn i mn i m n i m n i mn i mp y tp y t p y t p y tp y tx a mx a m x a m x a mx a ms t i n us t i n u s t i n u s t i n us t i n u f c s o y c n e u q e r f r o t a l l i c s or f k 0 0 2 = ? 0 0 45 5 40 0 5z h k f t e c n a r e l o t y c n e u q e r f---5 . 1% t r * e m i t e s n o p s e rf c s o z h k 5 5 4 =--0 9s m r i e c n a t s i s e r t u p n i r e t r e v n i , 2 i v & 1 i v r o f y l p p a r f m 2 . 2 = ? 0 5--k ? r o e c n a t s i s e r t u p t u o r e t r e v n i2 o v & 1 o v r o f y l p p a--0 1k ? v t n o i t c e t o r p d a o l r e v o-3 . 04 . 05 . 0v ac electrical characteristics note: these specifications apply for v cc = 5.0v and 0 o c t a 70 o c, unless otherwise specified. * the time from the transmitter ? s control to the receiver ? s response.
data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 6 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| figure 3. application of pt8a995 with external modulation x1 27m x2 455k f2 1 f1 2 irout 3 gnd 4 rfout 5 ca1 6 ca2 7 sc 8 offset1 9 offset2 10 vcc 11 osco 12 osci 13 f/b 14 l/r 15 pc 16 pt8a995 c9 20p c10 20p sw r9 3k led bat 7.2- 12v c11 0.1u rv2 5k rv1 5k ant q1 l2 1.5mh c1 68p c2 150p c4 15n c3 1n r2 10 c6 68p c14 cs 0.1u ci 33p vin 1 gnd 2 vout 3 v1 78l05 ro 20k co 33p f2 f1 vcc vrf re1 51 ce 430p q2 9018 rb2 1k cf 0.15u rf 330 rb1 1k vcc vcc vcc vrf losc 3uh re2 51 cp 4.7u l1b la 3.3u
data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 7 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| figure 4. futaba-s3003 servo application circuit of pt8a9961/9962/9963/9964 g1 455k r1 0~5k left right back for vt1 vcc2 si c1 0.1u c7 330p c8 4700p r2 2.2m r3 2.2k vcc2 forward 1 backward 2 right 3 left 4 gnd 5 vt2 6 vt1 7 vo2 8 vi2 9 vo1 10 vi1 11 fc 12 si 13 vcc 14 osco 15 osci 16 srv 17 pc 18 f1 19 f2 20 pt8a9961 r5 5k c9 150p r6 5k feedback si vt1 8050 vt2 8050 vt5 bd237 vt6 bd237 r7 2k r11 300 r12 300 r8 2k vt7 bd238 vt8 bd238 c2 0.1u left right m1 motor1 r15 0.2 r16 110 c11 100u c3 0.1u c4 0.1u c12 470u vcc2 l1 22u d1 njm431 r17 10k r18 16k b1 3.6v sw1 switch b2 3.6v vcc1 vcc1 vcc2 f1 function loading f2 function loading r19 6.8k r20 2.7k r21 120 r22 220 c13 27p c14 0.01u c15 0.01u c17 20p c18 680p c16 0.01u c19 3-10p c20 0.047u c21 3.3u c22 180p l2 5.1u t1 1.2u t2 2u l3 2.2u a 1 g2 27m t3 fl1 455k 1 3 56 7 8 10 11 13 pt8a201w vt9 9018 vcc2 vcc2 1 2 70 82 7 d2 1n60 d3 1n60 ic2 r23 510 vt1 r24 1.3k c23 47u d6 1n4148 c10 150p d4 1n60 d5 1n60 r4 2.2k c5 0.1u t1 t2 6:10 vt3 8050 vt4 8050 vt10 d882 vt11 d882 r9 2k r13 300 r14 300 r10 2k vt12 b772 vt13 b772 c6 0.1u for back m2 motor1 vcc1
data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 8 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| figure 5. mechanical diagram of 20-pin soic
data sheet pt8a995/9961/9962/9963/9964 digital proportional remote controller with 2 analog chs & 2 digital chs pt0093(10/02) ver:2 9 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| notes pericom technology inc. email: support@pti.com.cn web site: www.pti.com.cn, www.pti-ic.com china : no. 20 building, 3/f, 481 guiping road, shanghai, 200233, china tel: (86)-21-6485 0576 fax: (86)-21-6485 2181 asia pacific : unit 1517, 15/f, chevalier commercial centre, 8 wang hoi rd, kowloon bay, hongkong tel: (852)-2243 3660 fax: (852)-2243 3667 u.s.a. : 2380 bering drive, san jose, california 95131, usa tel: (1)-408-435 0800 fax: (1)-408-435 1100 pericom technology incorporation reserves the right to make changes to its products or specifications at any time, without noti ce, in order to improve design or performance and to supply the best possible product. pericom technology does not assume any responsibility for use of any circuitry described other than the circuitry embodied in pericom technology product. the company makes no representations that circuitry described herein is free from patent infringement or other rights, of pericom technology incorporation.
|
