WM8581SEFT Wolfson Microelectronics Ltd., WM8581SEFT Datasheet - Page 74

• Manufacturer Part Number: WM8581SEFT
• Description: Multichannel Codec with S/pdif Transceiver
• Manufacturer: Wolfson Microelectronics Ltd.

WM8581
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REGISTER
ADDRESS
DEVREV
PLLA 1/
DEVID1
PLLA 2/
DEVID2
PLLA 3/
PLLA 4
PLLB 1
PLLB 2
R36
R37
R38
R39
R40
R41
R42
R43
R44
R45
R46
R47
R48
R49
R50
R51
R52
R53
00h
01h
02h
03h
04h
05h
R0
R1
R2
R3
R4
R5
SPDRXCHAN 1
SPDRXCHAN 2
SPDRXCHAN 3
SPDRXCHAN 4
SPDRXCHAN 5
READBACK
SPDMODE
PWRDN 1
PWRDN 2
SPDSTAT
INTMASK
Reserved
INTSTAT
RESET
GPO1
GPO2
GPO3
GPO4
BIT
8:0
8:0
3:0
7:4
4:3
8:0
8:0
0
1
2
FREQMODE_A[
POSTSCALE_A
PLLA_K[21:18]
PRESCALE_A
PLLA_K[17:9]
PLLB_K[17:9]
PLLA_N[3:0]
PLLA_K[8:0]
PLLB_K[8:0]
FRACEN_A
LABEL
1:0]
2A
2B
2C
2D
2E
24
25
26
27
28
29
2F
30
31
32
33
34
35
ALWAYSVALID
FILLMODE
0
0
0
0
0
0
0
100100001
101111110
100100001
101111110
DEFAULT
1101
0111
10
0
0
1
0
0
0
0
1
0
ALLDACPD
GPO2OP[3:0]
GPO4OP[3:0]
GPO6OP[3:0]
1
0
0
0
0
Fractional (K) part of PLLA input/output frequency ratio (treat as
one 22-digit binary number).
Reading from these registers will return the device ID.
Device ID readback is not possible in continuous readback mode
(CONTREAD=1).
Integer (N) divisor part of PLLA input/output frequency ratio. Use
values greater than 5, less than 13.
Reading from this register will return the device revision number.
Range Selector for PLLACLK
(not valid when TXSRC=00)
Fractional (K) part of PLLB input/output frequency ratio (treat as
one 22-digit binary number).
Error Flag Interupt Status Register
0 = no pre-scale
1 = divide MCLK by 2 prior to PLLA
0 = no post scale
1= divide MCLK by 2 after PLLA
0 = Integer N PLLA
1 = Fractional K PLLA
00 = 192KHz
01 = 88.2KHz to 96KHz
10 = 44.1KHz to 48KHz
11 = 32KHz
SPDIFRXD
Channel Status Register 1
Channel Status Register 2
Channel Status Register 3
Channel Status Register 4
Channel Status Register 5
1
0
S/PDIF Status Register
1
0
R0 returns 10000101 = 81h
R1 returns 10000000 = 85h
MASK[8:0]
RESET
SPDIFTXD
READEN
1
1
DACPD[3:0]
1
SPDIFPD
CONTREAD
1
1
DESCRIPTION
PLLBPD
RXINSEL[1:0]
GPO1OP[3:0]
GPO5OP[3:0]
GPO30P[3:0]
GPO70P[3:0]
0
READMUX[2:0]
PLLAPD
ADCPD
0
PP Rev 1.0 March 2006
SPDIFIN1MODE
OSCPD
PWDN
0
Product Preview
000111001
000000000
000010000
000110010
001010100
001110110
010011000
001111110
000111110
000000000
n/a
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-
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