![ARM Versatile/IT1 User Manual Download Page 44](http://html.mh-extra.com/html/arm/versatile-it1/versatile-it1_user-manual_2973203044.webp)
Signals and Pinouts
A-20
Copyright © 2004-2007. ARM Limited. All rights reserved.
ARM DUI 0188C
A.3
Clock signals
Figure A-19 shows the clock signals on the upper and lower HDRZ headers and the
clock-selection links.
Figure A-19 Clock signals
HDRZ (upper)
pin 150,
CLK_GLOBAL
pin 130,
CLK_POS_DN_IN
pin 134,
CLK_POS_UP_OUT
EXT_CLK_POS_UP_IN
HDRZ (lower)
33R
3.3V
EXT_CLK_POS_DN_IN
pin 134,
CLK_POS_UP_IN
pin130,
CLK_POS_DN_OUT
A
B
C
A
B
C
LK2
LK1
CLK_GLOBAL_OUT
CLK_GLOBAL_nEN
CLK_GLOBAL_IN
33R
pin150,
CLK_GLOBAL
R_CLK_POS_UP_OUT
33R
R_CLK_POS_DN_OUT
33R
Summary of Contents for Versatile/IT1
Page 4: ...Contents iv Copyright 2004 2007 ARM Limited All rights reserved ARM DUI 0188C ...
Page 6: ...List of Tables vi Copyright 2004 2007 ARM Limited All rights reserved ARM DUI 0188C ...
Page 14: ...Preface xiv Copyright 2004 2007 ARM Limited All rights reserved ARM DUI 0188C ...
Page 24: ...Getting Started 2 4 Copyright 2004 2007 ARM Limited All rights reserved ARM DUI 0188C ...
Page 52: ...Signals and Pinouts A 28 Copyright 2004 2007 ARM Limited All rights reserved ARM DUI 0188C ...
Page 56: ...Specifications B 4 Copyright 2004 2007 ARM Limited All rights reserved ARM DUI 0188C ...