View SNC21030A_4584666.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

SNC21030A
1-CH H.Q. Speech Controller
===================== CONTENTS =====================
1. 2. 3. 4. 5. INTRODUCTION........................................................................................................... 3 FEATURES ..................................................................................................................... 3 PIN ASSIGNMENT........................................................................................................ 4 BLOCK DIAGRAM ....................................................................................................... 4 FUNCTION DESCRIPTIONS ...................................................................................... 5 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 6. 7. 8. OSCILLATOR .............................................................................................................. 5 ROM ......................................................................................................................... 5 RAM ......................................................................................................................... 5 POWER DOWN MODE ................................................................................................. 5 SAMPLING RATE COUNTER ........................................................................................ 5 AUTO REPEAT FUNCTION........................................................................................... 5 I/O PORTS .................................................................................................................. 6 IR FUNCTION ............................................................................................................. 6 WATCH DOG TIMER................................................................................................... 6 PUSH-PULL OUTPUT................................................................................................... 7 EVENT MARK............................................................................................................. 7
ABSOLUTE MAXIMUM RATING ............................................................................. 8 ELECTRICAL CHARACTERISTICS ........................................................................ 8 APPLICATION CIRCUIT ............................................................................................ 9 8.1 8.2 GENERAL APPLICATION .............................................................................................. 9 MOTOR APPLICATION ............................................................................................... 10
Ver1.0
1
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
AMENDENT HISTORY
Version Ver1.0 Date Description First issue.
July 2, 2009
Ver1.0
2
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
1. INTRODUCTION
SNC21030A is a one-channel voice synthesizer IC with Push-Pull direct drive circuit. It built-in a 4-bit tiny controller with three 4-bit I/O ports. By programming through the tiny controller in SNC21030A, user's varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.
2. FEATURES
Single power supply 2.4V - 5.5V System Clock is 2MHz, the instruction cycle is 4us 30 seconds voice capacity are provided (@6KHZ sample rate) Built in a 4-bit tiny controller I/O Port Three 4-bit I/O ports P1, P2 and P3 are provided The driving/sink current of P3.2 & P3.3 is up to 8mA/16mA The IO pins P3.3 or P2.3 can be modulated with 38.5Khz carry signal to implement IR function. Without PWM IO 80*4 bits RAM are provided Maximum 16k program ROM is provided 96K*10 shared ROM for voice data and program Readable ROM code data Built-in one channel High Quality speech synthesizer Adaptive playing speed from 2.5k-20kHz is provided Automatic repetition Support 5-bit ADPCM and 10 bit PCM format Built in an 8-level volume control Push-Pull Direct Drive circuit output, can directly connected to Speaker for sound output 12 bit Push-Pull DA output. Event Mark function supported Low-Voltage Detect circuit Watch Dog Timer Reset function.
Ver1.0
3
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
3. PIN ASSIGNMENT
Symbol P10~P13 P20~P23 P30~P33 RST TEST OSC DAON DAOP VDDIO GNDIO VDD GND I/O I/O I/O I/O I I I O O I I I I Function Description I/O port 1: IO I/O port 2: IO I/O port 3: IO Reset Chip (Active H) Test Pin Oscillation component connection pin Push-Pull output 1 Push-Pull output 2 Positive power supply Negative power supply Positive power supply Negative power supply
4. Block Diagram
ROM
Program/Speech
Address Pointers/ STACK SRAM (80 nibbles)
Timing Generator
OSC
Sampling Rate Counter Voice Synthesizer
Watch Dog Timer Push-Pull Circuit
Timer ALU IO port 1 IO port 2
IO port 3
Ver1.0
4
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
5. FUNCTION DESCRIPTIONS 5.1 Oscillator
System clock define 2 MHz, the source provided by external resistor ring oscillator.
5.2
ROM
SNC21030A contains a substantial maximum 96K words (10-bit) internal ROM, which is shared by program and resource data. Program, voice and data are shared within this same 96K words ROM.
5.3
RAM
SNC21030A contains maximum 80 nibble RAM (80 x 4-bits). The 80 nibble RAM is divided into eight pages (page 0 to page 4, 16 nibble RAM on each page). In our programming structure, users can use the instructions, PAGE n (n=0 to 4) to switch and indicate the RAM page. Besides, users can use direct mode, M0 ~ M15 in the data transfer type instructions, to access all 16 nibbles of each page.
5.4
Power Down Mode
"End" instruction makes the IC entering into Stop Mode will stop the system clock for power savings (<3uA @VDD=3V and <6uA @VDD=4.5V.) Any valid data transition (L H or H L) occurring on any IO pin can be used to start the system clock and return to normal operating mode.
5.5
Sampling Rate Counter
The unique sampling rate counter is designed in voice channel to be able to play diverse voices at different sample playing rates. The playing rate can be adaptively set up among from the wide ranges of 2.5KHz to 20KHz. This architecture yields a high-quality voice synthesis that sounds very close to its original source when played through the same amplifier and speaker circuitry.
5.6
Auto Repeat Function
A voice section can be repeated by the built-in special hardware of SNC21030A without any software effort. The function activated by setting the corresponding bit of a control register. Once the control register was setting, the channel will continue to play the voice section (the Next Section).
Ver1.0
5
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
5.7
I/O Ports
There are three 4-bit I/O ports P1, P2 and P3. Any I/O can be individually programmed as either input pull low or output. Any valid data transition (H L or L H) of P1, P2 and P3 can reactivate the chip when it is in power-down stage.
Port Data
PA D
Port Status
Wea k
To Internal Data Bus
Read Control
I/O Port Configuration Note: (1) Weak N-MOS can serve as pull-low resistor. (2) The driving/sink current of P3.3 & P3.2 is up to 8mA/16mA
5.8
IR Function
Bit 3 of Mode Register is applied to control the IR function. P33 can be modulated with 38.5KHz square wave before sent out to P3.3 or P2.3 pin. P3.3 and P2.3 out is controlled by Mode1.1. If Mode1.1 set 1 IR is use P2.3, set "0" is use P3.3. The IR signal can be achieved by this modulated signal.
5.9
Watch Dog Timer
SNC21030A built-in an internal WDT (Watch Dog Timer). This Watchdog timer would issue resets signal to this chip if it is not cleared before reaching terminal count (1sec). The watchdog timer is enabled at reset and cannot be disabled.
Ver1.0
6
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
5.10
Push-Pull Output
An 8-level volume control Push-Pull DAC circuit is built-in SNC21030A. The maximum resolution of Push-Pull DAC is 12 bits. Two huge output stage circuits are designed in SNC21030A. With this advanced circuit, the chip is capable of driving speaker directly without external transistors.
DAON
DAOP
Push-Pull Output
5.11
Event Mark
This is a new function for SNC21030A series, it allows user to add a special mark in wave data by the voice edit tool "CoolEdit", "Goldwav", "SoundForge". User can insert event tags in anywhere of his wave file and can easy to get this special code to do his special action during voice playing. That means, it should be easily to control the I/O (such as LED or Motor) and other actions to synchronize with voice.
Ver1.0
7
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
6. ABSOLUTE MAXIMUM RATING
Items Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol VDD-V VIN TOP TSTG Min -0.3 VSS-0.3 0 -55.0 Max 6.0 VDD+0.3 55.0 125.0 Unit. V V o C o C
7. ELECTRICAL CHARACTERISTICS
Item Operating Voltage Standby current Operating Current Input current of P1, P2, P3 Drive current of P10~P1.3, P20~P2.3, P3.0, P3.1 Sink Current of P10~P1.3, P20~P2.3, P3.0, P3.1 Drive current of P3.2, P3.3 Sink current of P3.2, P3.3 Push-Pull current Push-Pull current Oscillation Freq. Sym. Min. Typ. Max. Unit Condition VDD 2.4 3.0 5.5 V ISBY 3.0 uA VDD=3V, no load 5.0 VDD=4.5V, no load IOPR 300 uA VDD=3V, no load IIH 3.0 uA VDD=3V,VIN=3V IOD 3 4 mA VDD=3V,VO=2.4V
IOS
4
6
-
mA VDD=3V,VO=0.4V
IOD IOS IPP IPP
6 10 -
8 16 70 100
FOSC 1.98 2.05
mA VDD=3V,VO=2.4V mA VDD=3V,VO=2.4V mA VDD=3V, Output 1K Sin wave. mA VDD=4.5V, Ouput 1K Sin wave. 2.12 MHz VDD=3V TEMP.=25 Min : -3% Max : +3%
-
Ver1.0
8
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
8. APPLICATION CIRCUIT 8.1 General application
+
3 *1.5AA
C1 104
VDDIO
CVDD OSC SNC21XXX A
R1 220 220K
IO1 IO2 IO3 IO4 IO5
CGND
RST
Battery Box
GNDIO
It is suggested to add a capacitor (C1), 104, between VDD with GND to keep power stable with general application. And this capacitor is strongly suggested to be as close to the chip as possible.
Ver1.0
9
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
8.2 Motor application
Separate CPU power path with power path of large current application
R2 10 10 C3 104 C4 104
M CVDD
OSC R1 220 220K Rb 1 100 100
+
3* 1.5 AA
C2 104
VDDIO
SNC21XXXA
M
IO1 IO2 IO3 IO4 IO5 CGND
8050 8050
Battery Box
C1 104
Rb 2 100 100
RST
GNDIO
Separate CPU GND with large current application GND
There are some suggestions about PCB layout when user use SNC21XXXA series IC with motor applications. (1) The capacitor C1 (104) C2 (104) is strongly suggested to be as close to the chip as possible. (2) It had better let OSC components (R) get close to IC chip. (3) OSC components had better get far away large current applications. (4) Separate IC power path with large current application power path to avoid affect IC working by power drop from large current application. (5) R2 (10)separate VDDIO and CVDD. (6) Let power cable thicker, especially for large current application. (7) C3 and C4 (104) are connected at the positive point and negative point of the motor.
Ver1.0
10
July 2, 2009
SNC21030A
1-CH H.Q. Speech Controller
DISCLAIMER The information appearing in SONiX web pages ("this publication") is believed to be accurate. However, this publication could contain technical inaccuracies or typographical errors. The reader should not assume that this publication is error-free or that it will be suitable for any particular purpose. SONiX makes no warranty, express, statutory implied or by description in this publication or other documents which are referenced by or linked to this publication. In no event shall SONiX be liable for any special, incidental, indirect or consequential damages of any kind, or any damages whatsoever, including, without limitation, those resulting from loss of use, data or profits, whether or not advised of the possibility of damage, and on any theory of liability, arising out of or in connection with the use or performance of this publication or other documents which are referenced by or linked to this publication. This publication was developed for products offered in Taiwan. SONiX may not offer the products discussed in this document in other countries. Information is subject to change without notice. Please contact SONiX or its local representative for information on offerings available. Integrated circuits sold by SONiX are covered by the warranty and patent indemnification provisions stipulated in the terms of sale only. The application circuits illustrated in this document are for reference purposes only. SONIX DISCLAIMS ALL WARRANTIES, INCLUDING THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PURPOSE. SONIX reserves the right to halt production or alter the specifications and prices, and discontinue marketing the Products listed at any time without notice. Accordingly, the reader is cautioned to verify that the data sheets and other information in this publication are current before placing orders. Products described herein are intended for use in normal commercial applications. Applications involving unusual environmental or reliability requirements, e.g. military equipment or medical life support equipment, are specifically not recommended without additional processing by SONIX for such application.
Ver1.0
11
July 2, 2009

▲Up To Search▲

Price & Availability of SNC21030A

	To Download SNC21030A Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .