wm8804geds-v Wolfson Microelectronics plc, wm8804geds-v Datasheet - Page 12

• Manufacturer Part Number: wm8804geds-v
• Description: 1 1 Digital Interface Transceiver With Pll
• Manufacturer: Wolfson Microelectronics plc

WM8804
POWER UP CONFIGURATION
w
The operating mode of the WM8804 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
Sync
SDOUT
1
SCLK
GPO0
SDIN
CSB
3 4
Aux
7 8
Address
Device
2-wire
Subframe 1
HWMODE / SWMODE Select
SWMODE
2-wire/3-wire
Mode Select
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
SWMODE
Subframe 2
SCLK
SDIN
GPO
HW RESET = 1
SDOUT
3-wire
3-wire
CSB
27 28
PD, Rev 4.5, March 2009
V
U
C
Frame
(TRANS_ERR)
Production Data
(NON_AUDIO)
(GEN_FLAG)
192
HWMODE
31
(UNLOCK)
P
GPO
GPO
GPO
GPO
32 bits
N/A
12