Cypress S6J3200 Series, Manual

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CHAPTER 19:Sound Waveform Generator
462 S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
3.
Operation of the Sound Waveform Generator
3.1.
Sound Source Specifications
This section describes the specifications of a sound source generated by SWFG.
Figure 3-1
FSREQ
0dB
0dB
-96dB
Idle time
ITVAL1
Effective time
FSLEN [4:0]
ATTACK [4:0] RELEASE [4:0]
1ms to 4s
0ms to 4s 0ms
1ms to 1s
1ms to 1s
Idle time
ITVAL2
Total sound source time
Table 3-1
Element Description Relation
Start idle time
Silence generation time (ALL 0 data generation) immediately following sound
source generation start.
4.8
End idle time This function is not supported. 4.8
Waveform Sound source waveform 4.7
Frequency Sound source frequency 4.7
Run time Time to generate a sound source of a specified frequency 4.7
Fade in time (ATTACK) Fade in time (included in run time) immediately following run time start 4.9
Fade out time
(RELEASE)
Fade out time immediately before run time end (included in run time) 4.9
Overall sound source
time Overall time of the specified sound source, which is the total of idle time and
effective time
Figure 3-1
3.1.1.
Idle Time
There is start idle time and end idle time.
Start idle time is silence generation time immediately following sound source generation start. End idle
time is not supported.
As for start idle time, one of 32 idle times from 0 ms to 4 seconds is selectable by software.