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KEIL C51 Version 9.52 Released

Thursday, 04 July 2013 00:00

Software Update for Part Numbers A51, CA51 and PK51.



Cx51 Compiler
-  Modified: the warning C294: unreachable code will be issued instead of a compiler error for unreachable code statements.
-  Corrected: wrong XDATA address calculation which may occurs with combined pointer and int arithmetic.
-  Corrected: an ignored pointer cast which occurs under some circumstances with far and generic pointers.

LX51 Linker/Locater
-  Corrected: a wrong address calculation which occurs when const in code banks combined with linker code packing.
-  Added: Error 144: OVERLAY GROUP SEGMENT CANNOT HAVE 'LAST' ADDRESS ASSIGNMENT message. The LAST attribute cannot be used to locate segments that collect overlayable segments.

AX51 Assembler
-  Corrected: an erroneously issued error A57 'REGISTER USAGE' REQUIRES A PUBLIC CODE SYMBOL which occurs when REGUSE directive is used by mixed-case (composed by upper and lower case characters) symbols.

New Supported Devices
-  Texas Instruments
-  CC2541F128 and CC2541F256



To download the latest Update and view the Release Notes:

C51 Software
Development tools for all 8051 devices
Version 9.52


If you would like to renew the support and maintenance for your license, please email Coral May Van Allen at This email address is being protected from spambots. You need JavaScript enabled to view it. or visit us at The Embedded Shop.


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