tc9455f TOSHIBA Semiconductor CORPORATION, tc9455f Datasheet - Page 7

• Manufacturer Part Number: tc9455f
• Description: Digital Echo Ic For Karaoke
• Manufacturer: TOSHIBA Semiconductor CORPORATION

4.2
Setting of microphone and echo volumes
Table 2 lists the microphone setting values and attenuation; Table 3 lists the echo volume setting
values and attenuation. The DC level settings are typical values.
Table 2 Microphone volume (VOL1, VOL2) attenuation
DC Level Setting (V)
DC Level Setting (V)
Table 3 Echo volume (VOL3) attenuation
5.0
4.4
4.2
3.9
3.7
3.5
3.2
3.0
2.7
2.5
2.3
2.0
1.8
1.5
1.3
1.1
0.0
5.0
4.4
4.2
3.9
3.7
3.5
3.2
3.0
2.7
2.5
2.3
2.0
1.8
1.5
1.3
1.1
0.0
M3
M3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Serial Data Setting
Serial Data Setting
M2
M2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
7
M1
M1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
M0
M0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Attenuation (dB)
Attenuation (dB)
í10
í12
í14
í16
í18
í20
í22
í24
í26
í28
í10
í11
í12
í13
í14
í’
í’
í2
í4
í6
í8
í1
í2
í3
í4
í5
í6
í7
í8
í9
0
0
TC9455,88F/N
2002-02-05