ARM ARM DUI 0224I manual Clcdclk, Scirefclk, Sspclk

Models: ARM DUI 0224I

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Specifications

Table B-7 Peripherals and controller timing

Peripheral signals

Clock

tov

toh

tis

tih

 

 

 

 

 

 

CLCDC outputs (CLD[23:0], CLPOWER, CLLP, CLCP,

CLCDCLK

12.5ns

-2.5ns

-

-

CLFP, CLAC, and CLLE)

 

 

 

 

 

The maximum frequency of CLCDCLK is 100MHz for a tcyc of

 

 

 

 

 

10ns.

 

 

 

 

 

 

 

 

 

 

 

SCI outputs (nSCICLKOUTEN, SCICLKOUT,

SCIREFCLK

14ns

-1ns

-

-

nSCIDATAOUTEN, nSCICLKEN, and nSCIDATAEN)

 

 

 

 

 

 

 

 

 

 

 

SCI inputs (SCICLKIN, SCIDATAIN, and SCIDETECT)

SCIREFCLK

-

-

12ns

-14ns

The maximum frequency of SCIREFCLK is 100MHz for a tcyc

 

 

 

 

 

of 10ns.

 

 

 

 

 

 

 

 

 

 

 

SSP outputs (SSPFRMOUT, SSPCLKOUT, SSPTXD,

SSPCLK

4ns

-2ns

-

-

nSSPCTLOE, and nSSPOE)

 

 

 

 

 

 

 

 

 

 

 

SSP inputs (SSPRXD, SSPFRMIN, and SSPCLKIN)

SSPCLK

-

-

12ns

-14ns

The maximum frequency of SSPCLK is 100MHz for a tcyc of

 

 

 

 

 

10ns.

 

 

 

 

 

 

 

 

 

 

 

B-8

Copyright © 2003-2010 ARM Limited. All rights reserved.

ARM DUI 0224I

Page 316
Image 316
ARM ARM DUI 0224I manual Clcdclk, Scirefclk, Sspclk