參數(shù)資料
型號： AK4120
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： Sample Rate Converter with Mixer and Volume
中文描述： 采樣率轉(zhuǎn)換器與調(diào)音臺和卷
文件頁數(shù)： 17/30頁
文件大小： 259K
代理商： AK4120
ASAHI KASEI
[AK4120]
MS0134-E-00
2002/1
- 17 -
The frequency of IMCLK1, IMCLK2, and OMCLK are fixed based on the sampling rate and clock speed (256fs/512fs).
IMCKS1, IMCKS2 and OMCKS bits in register 01H select clock speed.
LRCK
MCLK (MHz)
fs
256fs
32.0kHz
8.1920
44.1kHz
11.2896
48.0kHz
12.2880
88.2kHz
22.5792
96kHz
24.5760
Table 5. System Clock Example
BICK (MHz)
64fs
2.0480
2.8224
3.0720
5.6448
6.1440
512fs
16.384
22.5792
24.576
N/A
N/A
n
Volume
AK4120 has two digital volumes (Volume#1 and Volume#2). Volume#1 can control the volume level of data from
Input#1 while in Path Mode 0 or from Input#2 while in Path Mode 1. It then passes this data through SRC block.
Volume#2 can control the volume level of data from Input#2 while in Path Mode 0 and Path Mode 3, or from Input#1
in Path Mode 2. These volume ranges are from –83.25dB to 12dB in 0.75dB steps. The volume level and mute of each
channel can be controlled by register 3-6H.
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