參數資料
型號: VS1003
廠商: Electronic Theatre Controls, Inc.
元件分類: Codec
英文描述: MP3 / WMA AUDIO CODEC
中文描述: MP3播放/ WMA音頻編解碼器
文件頁數: 45/57頁
文件大?。?/td> 456K
代理商: VS1003
VLSI
Solution
y
VS1003 PRELIMINARY
VS1003
10. VS1003 REGISTERS
10.9
A/D Modulator Registers
Interrupt registers, prefix AD
Abbrev[bits]
DIV
DATA
Reg
Type
rw
rw
Reset
0
0
Description
A/D Modulator divider.
A/D Modulator data.
0xC01E
0xC01F
AD DIV bits
Description
1 in powerdown.
Divider.
Name
ADM POWERDOWN
ADM DIVIDER
Bits
15
14:0
ADM DIVIDER controls the AD converter’s sampling frequency. To gather one sample,
128
n
clock
cycles are used (
n
is value of AD DIV). The lowest usable value is 4, which gives a 48 kHz sample rate
when CLKI is 24.576 MHz. When ADM POWERDOWN is 1, the A/D converter is turned off.
AD DATA contains the latest decoded A/D value.
Version 0.92,
2005-06-07
45
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