Wolfson WM894 -6229-CS36-M-REV1 Series, Manual

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Customer Information
WM894x-6229-CS36-M-REV1
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August 2009, Rev 1.0
Customer Information
5
I/O TABLE
SIGNAL HEADER
WM8948
HEADER
WM8946
HEADER
WM8945
HEADER
WM8944
IMPORTANT NOTES
Voltage Supplies
DBVDD H2 pin 2 Digital buffer (I/O) supply
DCVDD H2 pin 4 Digital core supply
LDOVDD H1 pin 14 LDO supply input
SPKVDD H1 pin 18 Supply for speaker driver
Ground
GND H1, H2, H4 odd numbered pins.
H3 odd numbered pins from pin 1 to pin 11.
Analogue, Digital, Video Buffer, and Speaker GND
Control Interface
SCLK H3 pin 18 Control interface clock input
SDA H3 pin 20 Control interface data input / output
SDOUT/GPIO4 H3 pin 16 Control interface data output / GPIO4
CS ¯ ¯ /GPIO2 H3 pin 12
Chip Select / GPIO2
CIFMODE/GPIO3 H3 pin 14
Control interface mode select / GPIO3
Master Clock
MCLK H4 pin 20 Master Clock
Audio Interface
BCLK H3 pin 2 Audio interface bit clock
LRCLK H3 pin 8 Audio interface left / right clock
DACDAT H3 pin 4 DAC digital audio data
ADCDAT H3 pin 6 ADC / Digital Microphone digital audio data
Analogue Inputs
IN1L/DMICDAT H2 pin 14 Left input 1 / Digital Microphone data input
IN2L H2 pin 12 Left input 2
IN1R H2 pin 10 H2 pin 10 - - Right input 1
IN2R H2 pin 8 H2 pin 8 - - Right input 2
AUX1 H2 pin 18 Aux input (audio or AUXADC input)
AUX2 H2 pin 16 Aux input (audio or AUXADC input)
XN J5 pin 4 - J5 pin 4 - Touch Panel (left) connection
XP J5 pin 2 - J5 pin 2 - Touch Panel (right) connection
YN J5 pin 8 - J5 pin 8 - Touch Panel (bottom) connection
YP J5 pin 6 - J5 pin 6 - Touch Panel (top) connection
VBIN H11 pin 1 Video buffer input
Analogue Outputs
LINEOUTL H4 pin 14 Left line mixer output
LINEOUTR H4 pin 16 H4 pin 16 - -
Right line mixer output
SPKOUTL H4 pin 6
Left speaker mixer output
SPKOUTR H4 pin 8
Right speaker mixer output
LDOVOUT H1 pin 16
LDO output
VBOUT H10 pin 1 Video buffer output
MICBIAS H2 pin 20 Microphone bias voltage
General Purpose Inputs/Outputs
GPIO1 H3 pin 10 GPIO1
Table 1 I/O Configuration