ak7712a-vt AKM Semiconductor, Inc., ak7712a-vt Datasheet - Page 31
![no-image](/images/no-image-200.jpg)
ak7712a-vt
Manufacturer Part Number
ak7712a-vt
Description
Built-in 20-bit Adc/dac Sophisticated Audio Dsp
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK7712A-VT.pdf
(87 pages)
- Current page: 31 of 87
- Download datasheet (2Mb)
ASAHI KASEI
, (45
(45
In this way, upper 24 bits and lower 21 bits are calculated.
0180-E-02
16-bit) calculation is done with the data regulated as follows.
,OP,
,OP,
,OP,CR
,OP,CR
,OP,CR
,OP,
,OP,
,OP,
,PP,
16-bit) Calculation
DR ,
DR ,
DR ,IDR0=SDLF <<
,IDR1=BDRF + LDR1
,IDR0=SHR6 + LDR0
,
,
,IDR1=SH0 <<
This 34-bit data is shifted 15 bits to right and then is added to upper data.
,
<Example of Calculation Program(45
,CPU,DU1,,
,
,CPU,
,
,
,
,
,
,
,
,
,
,
,
,
,
- 31 -
,,
,,
,,
,,
,,
,,
,,ODRB, ;DR1: upper 24 bits data
,,
, ;Read of Coefficient(MSB), Data(MSB)
, ;
, ;Y
, ;Y
, ;
, ;
, ;ODRB: lower 24 bits data
, ;Y
16-bit)>
XH
XL(shifted 6bit to right)
XH,Read of Coefficient(LSB)
[AK7712A-VT]
1997/12
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