Signal Descriptions

A.1 Synchronous Serial Port interface

Figure A-1 shows the signals on the expansion SSP interface connector J29.

Figure A-1 SSP expansion interface

The signals associated with the SSP are shown in Table A-1.

 

Table A-1 SSP signal assignment

 

 

Signal name

Description

 

 

SSPCLKOUT

Clock output from controller

 

 

SSPCLKIN

Clock input to controller

 

 

nSSPCTLOE

Control output enable control

 

 

nSSPOE

Data output enable control

 

 

SSPFSSOUT

Frame sync output

 

 

SSPFSSIN

Frame sync input

 

 

SSPTXD

Data output

 

 

SSPRXD

Data input

 

 

SSPnCS

Chip select

 

 

A-2

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ARM DUI 0224I

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ARM ARM DUI 0224I manual Synchronous Serial Port interface, Signals associated with the SSP are shown in Table A-1