WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 147

• Manufacturer Part Number: WM8959
• Description: Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

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Pre-Production
R59 (3Bh)
R60 (3Ch)
PLL (1)
R61 (3Dh)
PLL (2)
R62 (3Eh)
PLL (3)
R63 (3Fh) to
R127 (7Fh)
REGISTER
ADDRESS
0
15:0
15:8
7
6
5:4
3:0
15:8
7:0
15:8
7:0
Reserved
BIT
MBSEL
SDM
PRESCALE
PLLN
[3:0]
PLLK
[15:8]
PLLK
[7:0]
LABEL
0b
0000h
00h
0b
0b
00b
8h
00h
31h
00h
26h
DEFAULT
Microphone Bias Voltage Control
0 = 0.9 * AVDD
1 = 0.65 * AVDD
Reserved - Do Not Change
Reserved - Do Not Change
Enable PLL Integer Mode
0 = Integer mode
1 = Fractional mode
Divide MCLK by 2 at PLL input
0 = Divide by 1
1 = Divide by 2
Reserved - Do Not Change
Integer (N) part of PLL frequency ratio.
Use values greater than 5 and less than 13.
Reserved - Do Not Change
Fractional (K) part of PLL frequency ratio
(Most significant bits)
Reserved - Do Not Change
Fractional (K) part of PLL frequency ratio
(Least significant bits)
DESCRIPTION
PP, May 2008, Rev 3.1
WM8959
147