 Description
TF040 is a 40 Sec. PWM or DAC voice output with high quality speech ,2 input pin and 6 I/O pin simple speech.40 Sec. Voice Length at 6 KHz sampling and 4 bit hardware compression. Built-in oscillator for system clock without an external resistor. Maximum 64 voice groups. One Group contain several steps(voice section ); Maximum 700 steps for all the Groups. User selectable 8bit / 5bit / 4 bit data compression. Support three mode trigger function (Stand Alone, Serial Trigger Mode, CPU Command Mode ). Easy use development system is for function selection and voice combination . PC download the ROM code by the USB Port .
 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) :
- Key Stand-alone Trigger Mode :
A. Edge/Level
B. Hold/Unhold
C. Retrigger/Irretrigger