RTS903 DUAL-TONE MELODY GENERATOR Features - Wide operating voltage range: 2.4V to 5.0V Low Stand-by current 768-note ROM memory Direct LED drive, where LED flash is programmable. Typical oscillator frequency: 128 KHz Built-in digital envelope 1 sequence trigger key Audio output drives speaker directly. Power-ON Reset; melody begins from the first note. General Description RTS903 is a CMOS LSI designed for toys, doorbells, music boxes, and melody clocks/timers. It is designed to play pre-programmed melody and is capable of generating dual-tone melody and natural sounds in piano effect. By pushing the sequence trigger key, all songs are sequentially selected and played with an Auto -Stop function. In addition, RTS903 provides PLED and PEN pins to drive LED and the motor. The blinking of LED is programmable to meet different user applications. Pin Assignment Block Diagram OSCI OSCO Tone Generator Oscillator Circuit Modulator OUT PEN PLED NC 1 16 GND NC 2 15 NC OUT 3 14 OSCO PEN 4 13 5 RTS90312 OSCI PTB TRB 6 11 PLED NC 7 10 NC NC 8 9 NC VDD Ripple Counter Tempo Generator ROM Rhythm Generator TRB PTB V2.0 May/12/2002 www.msquaretech.com Address Counter Control Logic Page 6 of 1 The above information is the exclusive intellectual property of M-Square Technologies Corporation and shall not be disclosed, distributed without permission from M-Square. RTS903 Absolute Maximum Ratings Comments* DC Supply Voltage.......................................0V 5.0V Input/Output Voltage...........GND -0.2V to VDD 0.2V Operating Temperature............................-10 C 60 C Storage Temperature..............................-25 C 125 C to + to to Never allow a stress to exceed the values listed under "Absolute Maximum Ratings", otherwise the device would suffer from a permanent damage. Nor is a stress at the listed values allowed to persist over a period, since an extended exposure to the absolute maximum rating condition may also affect the reliability of the device, if not causing a damage thereof. Electrical Characteristics (VDD=3.0V, GND=0V, TA=25 C, unless otherwise specified ) Parameter Symbol Min. Typ. Operating Voltage VDD 2.4V Operating Current IDD Stand -by Current ISTB LED Sinking Current LED SINKING 8mA PEN Driving Current LED DRIVING 1mA Out Sinking Current Oscillator Frequenc y Deviation Per Lot Max. 5.0V 1mA A - Out D RIVING - 200mA - ∆ F/F - - ±15% Conditions Unload Full load V oh = 1.5V V ol = 0.7V DAC full scale Load = 8 Pin Description Pin No. Designation Description 1 NC No connection 2 NC No connection 3 OUT Audio output pin 4 PEN Trigger enable output pin 5 PTB For testing only Trigger input. The sections of a song will be played sequentially with 6 TRB an Auto-Stop function. 7 NC No connection 8 NC No connection 9 NC No connection 10 NC No connection 11 PLED LED drive pin 12 VDD Positive power supply 13 OSCI Oscillator input pin 14 OSCO Oscillator output pin 15 NC No connection 16 GND Negative power supply V2.0 May/12/2002 www.msquaretech.com Page 6 of 2 The above information is the exclusive intellectual property of M-Square Technologies Corporation and shall not be disclosed, distributed without permission from M-Square. RTS903 Application Circuit 1. 1 NC 2 3 NC 4 PEN PTB 6 TRB 8 15 NC OSCO OUT 5 7 GND 16 14 220KW RTS903 NC NC OSCI 13 VDD 12 220 mF PLED 11 NC 10 NC 9 2. 220K OUT GND GND OSCO OSCI PEN VDD PTB RTS903 TRB PLED V2.0 May/12/2002 www.msquaretech.com Page 6 of 3 The above information is the exclusive intellectual property of M-Square Technologies Corporation and shall not be disclosed, distributed without permission from M-Square. RTS903 Bonding Diagram OUT GND GND Designation OSCO OSCI PEN about 1.02 mm VDD PTB RTS903 OUT PEN PTB TRB PLED VDD OSCI OSCO GND GND X Y 105.5 132.2 126.9 126.7 1211.4 1216.7 1207.6 1005.6 796.6 660.9 883.2 673.4 546.9 414.4 373.7 582.6 793.2 885.4 883.3 883.3 TRB PLED Unit: in um X: 1350 Y: 1020 Note: Substrate is connected to GND about 1.35 mm Song List RTS903-1: Melody 1. Jingle Bell + White Christmas 2. Santa Claus is Coming to Town + We Wish You a Merry Christmas 3. The First Noel + Silent Night 4. Upon on the Housetop + Angels We Have Heard on Hight 5. It Came Upon the Midnight clear + Joy to the World 6. The Twelve Days of Christmas + Foggy the Snowman 7. Rudolph the Red-nosed Reindeer + Hark ! The Herald Angels Sing 8. O Christmas Tree + Deck the Halls 9. O Come All Ye Faithful + Silver Bells RTS903-2: Melody 1. Hush Little Baby 2. Down the Mountainside We Go 3. Twinkle Twinkle Little Star 4. Home on the Range 5. The Fire Man 6. Spring is Coming 7. Oh! My Darling 8. Did You Ever See a Lassie 9. Rockaby Baby 10. Three Blind Mice 11. The farmer in the Dell 12. Bingo V2.0 May/12/2002 www.msquaretech.com Page 6 of 4 The above information is the exclusive intellectual property of M-Square Technologies Corporation and shall not be disclosed, distributed without permission from M-Square. RTS903 RTS903-3: Melody RTS903-7: Melody 1. Angels We Have Heard on High Came 2. We Wish You a Merry Christmas 3. It Came Upon The Midnight Clear 4. The First Noel 5. Silent Night 6. O Christmas Tree 7. Upon On The Housetop 8. O Little Town Of Bethlehem 9. Hark! The Herald Angels Sing 10. Joy To The World 11. Deck The Halls 12. Santa Claus is Coming to Town RTS903-5: Melody 1. A Time For Us 2. Love Me Tender Love Me True 3. Are You Lonesome Tonight 4. If You Love Me 5. Love is Blue 6. I Can‘t Stop Loving You 1. We Wish You a Merry Christmas+ It Upon a Midnight Clear + Joy to theWorld 2. The Twelve Days of Christmas + Foggy the Snowman 3. Rudolph the Red-nosed Reindeer + Santa Claus is Coming to Town 4. Hark! The Herald Angels Sing + Oh! Christmas Tree 5. Deck the Halls + O Come All Ye Faithful 6. Silent Night 7. Silver Bells + Oh! Little Town of Bethlehem 8. The First Noel + Jingle Bell 9. Angels We Have Heard on High + Upon on The Housetop 10.Little Drummer Boy + Joll Old Saint Nicholas + White Christmas RTS903C-8: Melody + Clock Chime with 22:00 to 5:00 silence 6:00 The Blue-Bells of Scotland 7:00 The Farmer in the Dell 8:00 For Elise 9:00 Home on the Range 10:00 Long Long Ago 11:00 Minuet 12:00 Traumerei 13:00 Weigenlied + 6 Chimes + 7 Chimes + 8 Chimes + 9 Chimes + 10 Chimes + 11 Chimes + 12 Chimes + 1 Chime 14:00 Toy Symphony + 2 Chimes 15:00 Old Black Joe + 3 Chimes 16:00 Die Lorelei + 4 Chimes 17:00 Frohlicher Landman + 5 Chimes 18:00 Home Sweet Home + 6 Chimes 19:00 Swan Lake + 7 Chimes 20:00 Hush Little Baby + 8 Chimes 21:00 Serenata Rimpinnt + 9 Chimes RTS903C-12: 1:00 Hush Little Baby + 1 Chime 13:00 Hush Little Baby + 1 Chime 2:00 Down the Mountainside We Go+ 2 Chimes 14:00 Down the Mountainside We Go + 2 Chimes 3:00 Twinkle Twinkle Little Star + 3 Chimes 15:00 Twinkle Twinkle Little Star + 3 Chimes 4:00 Home on the Range + 4 Chimes 16:00 Home on the Range + 4 Chimes 5:00 The Firn Man + 5 Chimes 17:00 The Firn Man + 5 Chimes 6:00 Spring is Coming + 6 Chimes 18:00 Spring is Coming + 6 Chimes 7:00 Oh! My Darling + 7 Chimes 19:00 Oh! My Darling + 7 Chimes 8:00 Did You Ever See + 8 Chimes 20:00 Did You Ever See a Lassie + 8 Chimes 9:00 Rockaby Baby + 9 Chimes 21:00 Rockaby Baby + 9 Chimes 10:00 Three Blind Mice + 10 Chimes 22:00 Three Blind Mice + 10 Chimes 11:00 The Farmer in the Dell + 11 Chimes 23:00 The Farmer in the Dell + 11 Chimes 12:00 Bingo + 12 Chimes 24:00 Bingo + 12 Chimes V2.0 May/12/2002 www.msquaretech.com Page 6 of 5 The above information is the exclusive intellectual property of M-Square Technologies Corporation and shall not be disclosed, distributed without permission from M-Square. RTS903 M M--S Squ uaarree T Teecch hn no ollo og giieess C Co orrp po orraattio on n A Subsidiary of Realtek Group HEAD QUARTER Floor 4, No. 2, Industry E. RD. IX, Science-Based Industrial Park, Hsinchu, 300 Taiwan, R.O.C. Tel: 886-3-6661028 Fax: 886-3-6661928 SHENZHEN OFFICE HONGKONG OFFICE Room 1403, Charm Centre 700 Castle Peak Rd., Lai Chi Kok Kowloon, Hong Kong Tel: 852-29593235 Fax:852-27425267 V2.0 May/12/2002 Room 1508, Block A, Union Square, No.5022 Caitian Rd..Futian,Shenzhen Tel:6-755-2900672 Fax:86-755-2900681 www.msquaretech.com Page 6 of 6 The above information is the exclusive intellectual property of M-Square Technologies Corporation and shall not be disclosed, distributed without permission from M-Square.