WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 130

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

WM8959
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R06 (06h)
Clocking (1)
R07 (07h)
REGISTER
ADDRESS
2:0
15
14
13
12:9
8:6
5
4:1
0
15
BIT
TOCLK_RATE
TOCLK_ENA
OPCLKDIV
[3:0]
DCLKDIV
[2:0]
BCLK_DIV
[3:0]
LABEL
000b
0b
0b
0b
0000b
111b
0b
0100b
0b
0b
DEFAULT
Reserved - Do Not Change
Timeout Clock Rate
(Selects clock to be used for volume update timeout and
GPIO input de-bounce)
0 = SYSCLK / 2
1 = SYSCLK / 2
Timeout Clock Enable
(This clock is required for volume update timeout and GPIO
input de-bounce)
0 = disabled
1 = enabled
Reserved - Do Not Change
GPIO Output Clock Divider
0000 = SYSCLK
0001 = SYSCLK / 2
0010 = SYSCLK / 3
0011 = SYSCLK / 4
0100 = SYSCLK / 5.5
0101 = SYSCLK / 6
0110 = SYSCLK / 8
0111 = SYSCLK / 12
1000 = SYSCLK / 16
1001 to 1111 = Reserved
Class D Clock Divider
000 = SYSCLK
001 = SYSCLK / 2
010 = SYSCLK / 3
011 = SYSCLK / 4
100 = SYSCLK / 6
101 = SYSCLK / 8
110 = SYSCLK / 12
111 = SYSCLK / 16
Reserved - Do Not Change
BCLK Frequency (Master Mode)
0000 = SYSCLK
0001 = SYSCLK / 1.5
0010 = SYSCLK / 2
0011 = SYSCLK / 3
0100 = SYSCLK / 4
0101 = SYSCLK / 5.5
0110 = SYSCLK / 6
0111 = SYSCLK / 8
1000 = SYSCLK / 11
1001 = SYSCLK / 12
1010 = SYSCLK / 16
1011 = SYSCLK / 22
1100 = SYSCLK / 24
1101 = SYSCLK / 32
1110 = SYSCLK / 44
1111 = SYSCLK / 48
Reserved - Do Not Change
Reserved - Do Not Change
21
19
(Slower Response)
(Faster Response)
DESCRIPTION
PP, May 2008, Rev 3.1
Pre-Production
130