WM8973-EV1M
w
Rev 1.0, February 2005
16
LINKS AND JUMPERS
LINK/JUMPER STATUS
DESCRIPTION
H1
No jumpers in place
DAC clocks and data input
H2
No jumpers in place
ADC clocks and data output
SW36
Pins 2 and 3 SHORT
Connects to GND for HP output reference
J18 (BCLK)
SHORT
Slave mode
J20 (ADCLRC)
SHORT
Slave mode
J25 (DACLRC)
SHORT
Slave mode
J23
SHORT
Slave mode
J32, J33, J34 and J35
OPEN
OUT signals are AC coupled
SW3
1 2 3 4 5 6 DATA FORMAT
1 0 0 1 0 0 I2S Compatible
SW4
Pins 1 and 2 SHORT
3-wire (SPI) Control Mode
SW1, SW2
Pins 2 and 3 SHORT
Line Input Select (Phono Socket)
SW5, SW7
Pins 2 and 3 SHORT
Line Input Select (Phono Socket)
SW8, SW9
Pins 2 and 3 SHORT
Line Input Select (Phono Socket)
SW27, SW28
Pins 2 and 3 SHORT
Line Output Select (Phono Socket)
Table 12 Line Setup Jumper Setup (Slave Mode)
DOWER DOWN AND INTERFACE CONTROL
Figure 8 Power and Interface Control
The Power Down and Interface Control panel is used to enable/disable the various sections
of the WM8973. It is also used to set the audio interface to the required data format.
Pressing the ‘Power Submit’ button will cause the settings shown on this panel to be written
to the WM8973. A full device register write is not sent.
Содержание WM8973-EV1B
Страница 1: ...WM8973 EV1M Evaluation Board User Handbook Rev 1 0...
Страница 3: ...WM8973 EV1M w Rev 1 0 February 2005 3 EVALUATION SUPPORT 44 IMPORTANT NOTICE 45 ADDRESS 45...
Страница 21: ...WM8973 EV1M w Rev 1 0 February 2005 21 SCHEMATIC LAYOUT Figure 13 Functional Diagram...
Страница 22: ...WM8973 EV1M w Rev 1 0 February 2005 22 Figure 14 Digital Input...
Страница 23: ...WM8973 EV1M w Rev 1 0 February 2005 23 Figure 15 Software Control...
Страница 24: ...WM8973 EV1M w Rev 1 0 February 2005 24 Figure 16 Level Shift...
Страница 25: ...WM8973 EV1M w Rev 1 0 February 2005 25 Figure 17 Analogue Input...
Страница 26: ...WM8973 EV1M w Rev 1 0 February 2005 26 Figure 18 WM8973...
Страница 27: ...WM8973 EV1M w Rev 1 0 February 2005 27 Figure 19 Analogue Output...
Страница 28: ...WM8973 EV1M w Rev 1 0 February 2005 28 Figure 20 Power...
Страница 29: ...WM8973 EV1M w Rev 1 0 February 2005 29 WM8973 EV1B PCB LAYOUT Figure 21 Top Layer Silkscreen...
Страница 30: ...WM8973 EV1M w Rev 1 0 February 2005 30 Figure 22 Top Layer...
Страница 31: ...WM8973 EV1M w Rev 1 0 February 2005 31 Figure 23 Bottom Layer...
Страница 32: ...WM8973 EV1M w Rev 1 0 February 2005 32 Figure 24 Bottom Layer Silkscreen...
