TC9444F Datasheet, PDF (12/28 Pages) Toshiba Semiconductor – Single-Chip karaoke IC II

Table 3.3 Setting Key Shift Amount
CH
CL
Setting Content
2
0
Key shift 0 (key control off)
2
1
+1200 cent
2
2
+600 cent
2
3
+500 cent
2
4
+400 cent
2
5
+300 cent
2
6
+200 cent
2
7
+100 cent
*2
8
Key shift 0
2
9
-100 cent
2
A
-200 cent
2
B
-300 cent
2
C
-400 cent
2
D
-500 cent
2
E
-600 cent
2
F
-1200 cent
TC9444F
3.5 VC Command
One-byte command to set through, vocal cancel, and vocal change for each input source.
Refer to the separate software datasheet.
3.6 BKSA Command
One-byte command to set four-page bank switching.
3.7 BKSB Command
One-byte command to set two-page bank switching.
3.8 EMPH Command
This command selects an internal de-emphasis digital filter.
The filter is either a digital filter selected, via software, by switching a DSP coefficient bank, or an
internal DA converter digital filter selected via hardware.
The filter is set through the microcontroller interface. The filter is on only when the EMP pin goes
high. This command sets the filter on/off directly from the CD processor EMP flag without passing
through the microcontroller.
As well as a de-emphasis filter, the DSP block filter can also be used as a high-pass filter for
canceling DC offset. (the CROM data determines the filter’s function.)
12
2002-01-11