北京维创虹泰科技有限公司

WTC040Description
WTC040 is a 40” PWM or DAC voice output with high quality speech ,2 input pin and 6 I/O pin simple speech.
? Functions
? MAX voice file : 700
? MAX Groups : 64
? MAX Step : 700 
? Signal step mute length : 0.64 s ( 6k sample rate )
? Operating Voltage range: 2.4V ~ 5V
? Total Voice Duration : 40” (240K Samples)
? Input pin : 2
? I/O pin : 6
? Voice output : PWM and DAC
? Sequential Key : TG1 -> 32 Groups.
TG2 -> 21 Groups.
TG5~TG12-> 1 Group
? Debounce time : 50 us or 10 ms
? On/Off function : only for TG1 & TG2
? Trigger mode (for all Input pins) :
A. Edge脉冲/Level 电平
B. Hold保持/Unhold不保持
C. Retrigger重复/Irretrigger不重复

? Output status (for each Output pin):
A. Stand by Status.
B. Busy Low Active.
C. Busy High Active.
D. LED Flash at 6 Hz.
E. LED Flash at 3 Hz.

? Play rate level :
 WTC040 can provide different play rate in one code as follow

Play rate(K) Play rate(K)
3 6
3.2 6.4
3.31 6.85
3.42 7.38
3.55 8
3.69 8.72
3.84 9.6
4 10.66
4.17 12
4.36 13.71
4.57 16
4.8 19.2
5.05 24
5.33 
5.64 

? WTC040 Pad Location
CHIP SIZE: (0, 0) (1730,1196) UM
? The IC substrate should be connect to vss

 
? WTC040 DC character

Item Symbol Min T* Max Unit Condition
Operating voltage VDD 2.4 3.0 5 V 
Standby current Isb  1 5 uA VDD=3V,no load
Operating current Iop  600  uA VDD=3V,no load
   1  mA VDD=4.5V,no load
Drive current of O Iod  5  mA VDD=3V
Sink current of O Ios  10  mA VDD=3V
Drive current of PWM Iod  200  mA VDD=3V,VOUT=1.5V
Sink current of PWM Ios  200  mA VDD=3V,VOUT=1.5V
      

                
?  
WTC040 Application Circuit
 

? System Power 2.4~3.6V
? PWM1 & PWM2 directly drive Speaker
  
? System Power 2.4~5V
? PWM1 & PWM2 directly drive Speaker
  
? System Power 2.4~3.6V
? DAC Output , Connected with 8050 & Resistor driving Speaker
 

? WTC040 Package Information
WTC040-DIP8
  

PIN NAME
1 TG2
2 TG1
3 TG5
4 VSS
5 PWM2/DAC
6 PWM1
7 VDD5
8 VDD

WTC040-D14

  
PIN NAME
1 PWM2/DAC
2 PWM1
3 VDD5
4 VDD
5 VSS
6 TG12
7 TG11
8 TG8
9 NC
10 TG2
11 TG1
12 TG5
13 TG6
14 TG7

? Writer Mapping Description
    Writer Pin : TG2,TG1,TG5,VSS,PWM2,PWM1,VDD5,VDD

Write Board Revised from 2M Writer Board --- Pin Assignment Reference
OTP Writer Power Board Pin Mapping Table
DIP 48  Pin No-Pin Name
( 2M 40Pin COB) Pin No-Pin Name
(1M 40 Pin COB) Pin No-PinName
(512K 40 Pin COB)
10 5 – RST_N  
11 12- GND 12-GND 12-GND
12 9-TG4 16-PWM2 16-PWM2
13 8-TG3 18-PWM1 18-PWM1
14 7-VDD 19,20-VDD5,VDD 17-VDD
36 13-T*T  
37 6-VPP 1-TG2 1-TG2
38 10-TG11 2-TG1 10-TG11
39 11-TG12 3-TG5 11-TG12
   

? Writer Board Slot Location
40秒otp串行应用说明
语音IC应用说明根据脉冲个数出来不同的语音程序里面tg5 要在Reset打钩
TG5对vdd复位

目前本公司语音烧录otp只提供一个按键，
触发一个声音，mcu高电平发出几个脉冲识别第几个声音，但在每次发出脉冲之前,*须个给otp复位

  vdd   vdd5  pwm1 pwm2/dac
 
Tg2    tg1   tg5   vss
 
以上是5v的DAC电路接法

 以上是5v的PWM电路接法

如果是3v就把2个vdd接在一起就ok了

应用图例：