WM8805GEDS Wolfson Microelectronics, WM8805GEDS Datasheet - Page 12

• Manufacturer Part Number: WM8805GEDS
• Description: Audio Transmitters, Receivers, Transceivers 8:1 Digi. Interface Transcvr with PLL
• Manufacturer: Wolfson Microelectronics

Specifications of WM8805GEDS

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8805
POWER UP CONFIGURATION
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The operating mode of the WM8805 is dependent upon the state of SDIN, SCLK, SDOUT, CSB and
GPO0 when the device is powered up or a hardware reset occurs. Table 6 summarises the
configuration options.
Note: AIF_CONF[1:0] configures the audio interface when the device operates in hardware mode.
Refer to Table 16 for description of modes.
Table 6 Device Configuration at Power up or Hardware Reset
Figure 6 S/PDIF Format
0
preamble
Frame
SDOUT
Sync
SCLK
GPO0
SDIN
CSB
1
3 4
Aux
7 8
Address
Device
2-wire
HWMODE / SWMODE Select
SWMODE
2-wire/3-wire
Mode Select
Subframe 1
N/A
N/A
HW RESET = 0
3-wire
N/A
AIF_CONF[0]
AIF_CONF[1]
HWMODE
Audio Sample Word
. . . . . . . . .
AIF_MS
TXSRC
2-wire
2-wire
GPO
GPO
Subframe 2
SWMODE
SCLK
SDIN
GPO
HW RESET = 1
SDOUT
27 28
3-wire
3-wire
CSB
PD Rev 4.1 September 07
V
U
Frame
C
192
(TRANS_ERR)
Production Data
31
(NON_AUDIO)
P
(GEN_FLAG)
HWMODE
(UNLOCK)
32 bits
GPO
GPO
GPO
GPO
N/A
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