Cirrus-logic CS43122 Manuel d'utilisateur télécharger pdf (Page 18)

CS43122

AD1/CDIN

(Control Port Mode)

Address Bit 1 / Control Data Input

(Input) -

In 2 Wire Mode, AD1 is a chip

address bit. CDIN is the control data input line for the control port interface in SPI

mode.

SCL/CCLK

(Control Port Mode)

Serial Control Interface Clock

(Input) -

In 2 Wire Mode, SCL clocks the serial

control data into or from SDA/CDOUT.

In SPI mode, CCLK clocks the serial data into AD1/CDIN and out of SDA/CDOUT.

SDA/CDOUT

(Control Port Mode)

Serial Control Data I/O

(Input/Output) -

In 2 Wire Mode, SDA is a data input/out-

put. CDOUT is the control data output for the control port interface in SPI mode.

(Control Port Mode)

Mode Select

(Input) -

This pin is not used in Control Port Mode and must be termi-

nated to ground.

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Cirrus-logic CS43122 Manuel d'utilisateur Page 18