wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 101
wm9714l
Manufacturer Part Number
wm9714l
Description
Ac?97 Audio Codec
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9714L.pdf
(119 pages)
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44h
Pre-Production
Register 44h controls clock division and muxing.
w
REGISTER
ADDRESS
14:12
11:8
7
5:3
2
1
0
BIT
S
S
CLKSRC
PENDIV
CLKBX2
CLKAX2
CLKMUX
EXT
EXT
LABEL
[6:4]
[3:0]
000 (div 1)
0000 (div 1)
1 (ext clk)
000 (div 16)
0 (Off)
0 (Off)
0 (MCLKA)
DEFAULT
Hi-Fi Block Clock Division Control
000 = f
001 = f/2
…
111 = f/8
Voice DAC Clock Division Control
0000 = f
0001 = f/2
1111 = f/16
AC97 CLK Source Control
1 = External clock
0 = PLL clock
AUXADC Clock Division Control
000 = f/16
001 = f/12
010 = f/8
011 = f/6
100 = f/4
101 = f/3
110 = f/2
111 = f
MCLKB Multiplier Control
0 = Normal
1 = Multiply by 2
MCLKA Multiplier Control
0 = Normal
1 = Multiply by 2
External Clock Source Control
0 = Use MCLKA
1 = Use MCLKB
…
DESCRIPTION
PP, Rev 3.2, October 2008
WM9714L
Clock
Generation
REFER TO
101
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