esm Series Tiny Controller-Based Speech Synthesizer Product Specification DOC. VERSION 1.1 ELAN MICROELECTRONICS CORP. January 2010
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Contents Contents 1 General Description... 1 2 Features... 1 3 esmp020 Pin Assignments... 2 4 Absolute Maximum Ratings... 3 5 Electrical Characteristics... 3 6 Application Circuit... 4 6.1 esm003 Application Circuit for 4-Key... 4 6.2 esm003 Application Circuit for 8-Key... 5 6.3 esm005 ~ esm020 Application Circuit for 4-Key... 5 6.4 esm005 ~ esm020 Application Circuit for 16-Key... 6 6.5 esm005 ~ esm020 Application Circuit for 32-Key... 6 6.6 esm005 ~ esm020 Application Circuit for 64-Key... 7 6.7 esm005 ~ esm020 Application Circuit for 128-Key... 8 Product Specification (V1.1) 01.07.2010 iii
Contents Specification Revision History Doc. Version Revision Description Date 1.0 Initial version 2004/10/04 1.1 Add the P1,P2,P3 Input High/Low Voltage for Electrical Characteristics. 2010/01/07 iv Product Specification (V1.1) 01.07.2010
1 General Description esm Series are single chip Voice/Dual tone Melody/Dual tone Sound Effect synthesizer ICs. It contains one 4-bit input port (provided for esm005 and above), two 4-bit I/O ports, a tiny controller, and adapts improved algorithm to achieve pure speech. User's applications, such as section combination, trigger modes, control outputs, keyboard matrix, and other logic functions, are easily implemented by programming through its tiny controller 2 Features Product esm003 esm005 esm010 esm015 esm020 Duration (@ 6K sample rate) esmp020 (OTP)* 3 sec 5 sec 10 sec 15 sec 21 sec 21 sec ROM (bits) 10Kx10 16Kx10 32Kx10 48Kx10 64Kx10 64Kx10 PROGRAM ROM (bits) 8Kx10 RAM (bits) 16x4 32x4 I/O pins P2.0 ~ P2.3 ~ IR Flash with Volume (pin) 8 I/O 4 I, 8 I/O P1.0~P1.3, P2.0~P2.3, ~ Yes Yes () * esmp020 is a flexible OTP IC which can be programmed to clone any of its smaller sister IC s, i.e., esm003 ~ esm020. * If to verify the kit board by using the kernel chip. In order to ensure the characteristic, please double confirm it by using esmp020. Single power supply 2.4 V ~ 5 V One 6-bit timer overflow control PCM, ASPCM, and ASPCM+ synthesizer, and dual tone melody/sound effect generator 4K~32K Hz playing speed for voice play-back Multiple tempos for dual tone melody/sound effect play-back Variable beats for dual tone melody/sound effect play-back Multiple volume control levels Fixed current D/A output to drive external connected transistor for voice output Pin can be programmed as IR communication pin to generate 38KHZ carrier The IR function of esm003 is only available in assembly language. Product Specification (V1.1) 01.07.2010 1
3 esmp020 Pin Assignments 1 18 NC 2 3 4 17 16 15 GND P1.0 1 2 3 18 17 16 NC GND NC P2.3 5 6 7 8 14 13 12 11 P1.1 P1.2 P1.3 P2.0 NC P2.3 4 5 6 7 8 15 14 13 12 11 P1.0 P1.1 P1.2 P1.3 P2.0 P2.2 9 10 P2.1 P2.2 9 10 P2.1 esmp020 DIP 18 Pin esmp020 SOP 18 Pin Symbol I/O Function P1.0 I Bit 0 of Port 1 (not applicable for esm003) P1.1 I Bit 1 of Port 1 (not applicable for esm003) P1.2 I Bit 2 of Port 1 (not applicable for esm003) P1.3 I Bit 3 of Port 1 (not applicable for esm003) P2.0 I/O Bit 0 of Port 2 P2.1 I/O Bit 1 of Port 2 P2.2 I/O Bit 2 of Port 2 P2.3 I/O Bit 3 of Port 2 I/O Bit 0 of Port 3 I/O Bit 1 of Port 3 I/O Bit 2 of Port 3 (IR Tx) I/O Bit 3 of Port 3 (Flash with volume output) I Positive power supply. I Ring oscillator input pin. VSS I Negative power supply O Voice Output 2 Product Specification (V1.1) 01.07.2010
4 Absolute Maximum Ratings Items Symbol Min Max Unit Supply Voltage V DD -V SS 0.3 +6.0 V Input Voltage V IN V SS 0.3 V DD +0.3 V Operating Temperature T OP 20.0 +70.0 Storage Temperature T STG 55.0 +125.0 0 C 0 C 5 Electrical Characteristics (25 C, Vdd=3.0 Volts unless otherwise specified) Items Sym Min. Typ. Max. Unit Condition Operating Voltage V DD 2.4 3.0 5.1 V Standby Current I DDS 1.0 ua V DD =3V Operating Current I DDO 280 ua V DD =3V, no load P2, P3 Drive Current I OD 1.0 ma V DD =3V, V O =2.4V P2, P3 Sink Current I OS 1.6 ma V DD =3V, V O =0.4V P1,P2,P3 Input High Voltage P1,P2,P3 Input Low Voltage V IH 0.6V DD -- V DD +0.3 Schmitt Trigger V IL 0.3 -- 0.25V DD Schmitt Trigger P1 Input Current I IH 3.0 10.0 ua V DD =3V (not applicable to esm003) Output Current I 2.0 3.0 4.0 ma V DD =3V, Vo=0.7V (Step 7) Oscillation Resistor R 470 KΩ V DD =3V Oscillation Frequency F 1.0 MHz V DD =3V Product Specification (V1.1) 01.07.2010 3
6 Application Circuit Important notes for the following application circuits: 1. For noisy power supply application, suppress noise by adding a 0.1µF ceramic capacitor between ground and power pad. 2. The recommended value of the bypass resistor for button cell application is 750Ω or less. 3. For heavy loading application, it is recommended that an electrolytic capacitor is added between and ground. The recommended capacitor value for button cell applications is 10µF. 4. The use of spring direct trigger is not recommended. If you must use such trigger, you need to add a ceramic capacitor between trigger pin and ground to debounce the spring noise. The recommended capacitor value is 0.001 ~ 0.01 µf. 6.1 esm003 Application Circuit for 4-Key Rb*2 VSS P23 P22 P21 P20 P33 P32 P31 P30 TR1 TR2 TR3 TR4 4 Product Specification (V1.1) 01.07.2010
6.2 esm003 Application Circuit for 8-Key Rb*2 VSS P23 P22 P21 P20 P33 P32 P31 P30 TR1 TR5 TR2 TR6 TR3 TR7 TR4 TR8 6.3 esm005 ~ esm020 Application Circuit for 4-Key TR1 TR2 TR3 TR4 P10 P11 P12 P13 P20 P21 P22 P23 P30 P31 P32 P33 VSS Rb*2 Product Specification (V1.1) 01.07.2010 5
6.4 esm005 ~ esm020 Application Circuit for 16-Key TR1 TR5 TR9 TR13 TR2 TR6 TR10 TR14 TR3 TR7 TR11 TR15 TR4 TR8 TR12 TR16 P10 P11 P12 P13 P20 P21 P22 P23 P30 P31 P32 P33 VSS Rb*2 6.5 esm005 ~ esm020 Application Circuit for 32-Key 0.1uF Rosc VSS P1.3 P1.2 P1.1 P1.0 P2.3 P2.2 P2.1 P2.0 Rb*2 D1 10K D1 10K D1 10K TR1 TR5 TR9 TR13 TR17 TR21 TR25 TR29 TR2 TR6 TR10 TR14 TR18 TR22 TR26 TR30 TR3 TR7 TR11 TR15 TR19 TR23 TR27 TR31 TR4 TR8 TR12 TR16 TR20 TR24 TR28 TR32 6 Product Specification (V1.1) 01.07.2010
6.6 esm005 ~ esm020 Application Circuit for 64-Key VSS Rb*2 P1.3 P1.2 P1.1 P1.0 P2.3 P2.2 P2.1 P2.0 D1 D2 D3 TR1 TR9 TR17 TR25 TR33 TR41 TR49 TR57 TR2 TR10 TR18 TR26 TR34 TR42 TR50 TR58 TR3 TR11 TR19 TR27 TR35 TR43 TR51 TR59 TR4 TR12 TR20 TR28 TR36 TR44 TR52 TR60 TR5 TR13 TR21 TR29 TR37 TR45 TR53 TR61 TR6 TR14 TR22 TR30 TR38 TR46 TR54 TR62 TR7 TR15 TR23 TR31 TR39 TR47 TR55 TR63 TR8 TR16 TR24 TR32 TR40 TR48 TR56 TR64 Product Specification (V1.1) 01.07.2010 7
6.7 esm005 ~ esm020 Application Circuit for 128-Key Rb*2 VSS P1.3 P1.2 P1.1 P1.0 P2.3 P2.2 P2.1 P2.0 D1 D2 D3 TR1 TR9 TR17 TR25 TR33 TR41 TR49 TR57 TR2 TR10 TR18 TR26 TR34 TR42 TR50 TR58 P1.0 TR3 TR11 TR19 TR27 TR35 TR43 TR51 TR59 P1.1 TR4 TR12 TR20 TR28 TR36 TR44 TR52 TR60 P1.2 TR5 TR13 TR21 TR29 TR37 TR45 TR53 TR61 P1.3 TR6 TR14 TR22 TR30 TR38 TR46 TR54 TR62 P2.0 TR7 TR15 TR23 TR31 TR39 TR47 TR55 TR63 P2.1 TR8 TR16 TR24 TR32 TR40 TR48 TR56 TR64 P2.2 P2.3 (Continued next page) 8 Product Specification (V1.1) 01.07.2010
L9 L12 L14 L16 L10 L11 L13 L15 L9 0 L12 2 3 6 L14 L16 L10 L11 L13 L15 L9 L10 L11 L12 L13 L14 L15 L16 TR65 TR73 TR81 TR89 TR97 TR105 TR113 TR121 P1.0 TR66 TR74 TR82 TR90 TR98 TR106 TR114 TR122 P1.1 TR67 TR75 TR83 TR91 TR99 TR107 TR115 TR123 P1.2 TR68 TR76 TR84 TR92 TR100 TR108 TR116 TR124 P1.3 TR69 TR77 TR85 TR93 TR101 TR109 TR117 TR125 P2.0 TR70 TR78 TR86 TR94 TR102 TR110 TR118 TR126 P2.1 TR71 TR79 TR87 TR95 TR103 TR111 TR119 TR127 P2.2 TR72 TR80 TR88 TR96 TR104 TR112 TR120 TR128 P2.3 Product Specification (V1.1) 01.07.2010 9
10 Product Specification (V1.1) 01.07.2010