Cirrus-logic CS4397 Manual de usuario descargar pdf (Pagina 22)

CS4397

22 DS333F1

Address Bit 1 / Control Data Input - AD1/CDIN

Pin 3, Input

Function:

In I

C mode, AD1 is a chip address bit. CDIN is the control data input line for the control port interface in

SPI mode.

Serial Control Interface Clock - SCL/CCLK

Pin 4, Input

Function:

In I

C 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.

Serial Control Data I/O - SDA/CDOUT

Pin 5, Input/Output

Function:

In I

C mode, SDA is a data input/output. CDOUT is the control data output for the control port interface in

SPI mode.

M1 - Mode Select

Pin 14, Input

Function:

This pin is not used in Control Port Mode and must be terminated to ground.

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Cirrus-logic CS4397 Manual de usuario Pagina 22