tc9444f TOSHIBA Semiconductor CORPORATION, tc9444f Datasheet - Page 12

• Manufacturer Part Number: tc9444f
• Description: Single-chip Karaoke Ic Ii
• Manufacturer: TOSHIBA Semiconductor CORPORATION

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