參數(shù)資料
型號: AK4516AVF
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 3V 16BIT ADC&DAC WITH BUILT-IN PGA
中文描述: 3V的16位ADC
文件頁數(shù): 24/39頁
文件大?。?/td> 355K
代理商: AK4516AVF
ASAHI KASEI
[AK4516A]
M0026-E-00
1998/08
- 24 -
Mode Control 2
Addr Register Name
02H Mode Control 2
D7
D6
D5
DIF1
R/W
0
D4
DIF0
R/W
0
D3
FS1
R/W
0
D2
FS0
R/W
0
D1
DEM
R/W
0
D0
0
RD
0
MONO1 MONO0
R/W
0
R/W
RESET
R/W
0
MONO1-0:Monaural Mixing
00: Stereo (RESET)
01: (L+R)/2
10: LL
11: RR
DIF1-0: Select Audio Serial Interface Format
The data is all 2's complement, MSB first.
No.
0
1
2
3
DIF1
0
0
1
1
DIF0
0
1
0
1
SDTO(ADC)
MSB justified
LSB justified
MSB justified
I
Table 3 . Audio Serial Interface Format
SDTI(DAC)
LSB justified
LSB justifed
MSB justified
I
BCLK
32fs
= 64fs
32fs
32fs
Figure
Figure 1
Figure 2
Figure 3
Figure 4
RESET
2
S compatible
2
S compatible
FS1-0:Select De-emphasis frequency
The AK4516A includes the digital de-emphasis filter(tc=50/15us) by IIR filter. The filter
corresponds to three sampling frequency (32kHz, 44.1kHz, 48kHz). The de-emphasis filter
selected by FS0 and FS1 registers are enabled for input audio data.
FS1
0
0
1
1
FS0
0
1
0
1
Mode
44.1kHz
OFF
48kHz
32kHz
RESET
Table 4 . De-empahsis frequency
DEM: Control of De-emphasis (0: Disable, 1: Enable)
FS0 and FS1 registers of the de-emphasis are enabled by setting DEM=1. FS0 and FS1 are
ignored at DEM=0.
This register is reset by the PD pin="L", then inhibits writing to this register.
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