Crux Interfacing Solutions CRXi 122801 Manual de usuario Pagina 2
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CRXi
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Core Module
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X Logic,
2001 all rights reserved
2
INTRODUCTION............................................................................................................ 3
Overview.................................................................................................................................................3
About this manual ...................................................................................................................................3
Disclaimer ...............................................................................................................................................3
Copyrights...............................................................................................................................................3
Trademarks..............................................................................................................................................4
Warranty..................................................................................................................................................4
Safe Handling..........................................................................................................................................4
Features ...................................................................................................................................................4
HARDWARE .................................................................................................................. 4
Pin Descriptions, Header J1 ....................................................................................................................4
Pin Descriptions, Header J2 ....................................................................................................................6
Pin Descriptions, Header J3 ....................................................................................................................6
Connections.............................................................................................................................................7
Power Input .............................................................................................................................................7
Resets ......................................................................................................................................................7
Serial Port Interface.................................................................................................................................7
NVSRAM Memory.................................................................................................................................8
Additional Scratchpad RAM...................................................................................................................8
Flash ROM..............................................................................................................................................8
External Chip Selects ............................................................................................................................10
CSIOP Register .....................................................................................................................................10
PROGRAMMING ..........................................................................................................12
Overview...............................................................................................................................................12
Establishing Communication.................................................................................................................12
Bootloader Command Set......................................................................................................................13
? - Help..................................................................................................................................................13
P - Select memory page.........................................................................................................................14
E - Erase selected memory page............................................................................................................14
A - Erase all flash memory....................................................................................................................14
L - Load Intel hex file............................................................................................................................14
X - Examine ROM memory ..................................................................................................................14
S - Run checksum of selected ROM memory .......................................................................................14
I - Dump 8051 internal RAM memory..................................................................................................15
W - Write to RAM memory ..................................................................................................................15
Z - Clear RAM memory ........................................................................................................................15
C - Run checksum of RAM memory.....................................................................................................15
M - Run RAM memory test...................................................................................................................15
R - Read 8051 internal registers ............................................................................................................16
G - Execute user program......................................................................................................................16
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