Bidirectional GPIOs .............................................................. 37
ConnectCore XP 270 GPIO use ................................................. 38
GPIO Controller Register Summary............................................ 47
GPIOs used internally ........................................................... 48
ConnectCore XP 270 Memory Map.................................................... 49
Chapter 2:
A b o u t t h e D e v e l o p m e n t B o a r d ......................... 51
XScale .................................................................................... 52
What’s on the development board?.................................................. 53
General Precautions............................................................. 54
Installation............................................................................... 55
Replacing the module ........................................................... 55
Setting up basic and optional connections................................... 57
Hardware block diagram .............................................................. 58
LEDs and selection of Ethernet magnetics.......................................... 59
Jumpers .................................................................................. 59
Pin descriptions ......................................................................... 61
ConnectCore XP 270 X1 pinout ....................................................... 77
ConnectCore XP 270 X2 pinout ....................................................... 81
Chapter 3:
C o n n e c t C o r e X P 2 7 0 C u s t o m i z a t i o n ............... 87
Adding custom hardware to the development board ............................. 88
Custom development board design check list...................................... 88
Appendix A: ConnectCore XP 270 Module
S p e c i f i c a t i o n s ......................................................................... 91
Mechanical dimensions ................................................................ 92
Environmental information............................................................ 93
Power requirements.................................................................... 94
Layout considerations.................................................................. 94
A p p e n d i x B : J T A G - B o o s t e r f o r I n t e l X S c a l e P X A 2 7 0 ..... 97
Overview ................................................................................. 98
System requirements................................................................... 98
CD files ................................................................................... 99
iv
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