About the development board Audio interface
ConnectCore for i.MX51 Hardware Reference Manual
75
Audio interface
The development board provides an audio interface with a line input channel, a line-output channel
and a microphone input. A Wolfson WM8753L audio CODEC is used in the development board. This
audio CODEC is controlled through the I2C port 2 of the ConnectCore for i.MX51. Digital audio data is
sent/received between the audio CODEC and the ConnectCore for i.MX51 through an I
2
S interface
(AUD3 channel of the i.MX51 AUDMUX).
The I2C device address of the audio CODEC is the following:
Interface
I
2
C Address (7 bits)
Audio CODEC (WM8753L) 0 x 1A
Three stereo audio jacks are provided on the development board:
n J18 connector for LINE+OUT
n J12 connector for LINE+IN
n J15 connector for microphone