Interrupt and GCC Optimizer

http://web.engr.oregonstate.edu/~traylor/ece473/lectures/interrupts.pdf

Nested Interrupt ARM Example

http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka11008.html

Embedded C programming and Freescale MCU

Embedded C Programming Training
http://www.freescale.com/files/training/doc/dwf/AMF_ENT_T0001.pdf

App Notes
http://www.freescale.com/files/microcontrollers/doc/app_note/AN2616.pdf

C for embedded system
http://www.eckhard-gosch.de/download/C_for_Embedded.pdf

Memory Organization and multi-dimensional logic

http://jemooo.com/memory-part-one/

Memory Organization:
www.cs.pitt.edu/~childers/CS1541/lectures/MemOrg.pdf
 

RAM Structure:
http://tams-www.informatik.uni-hamburg.de/applets/hades/webdemos/40-memories/40-ram/ram.html

Buffer

http://www.allaboutcircuits.com/vol_4/chpt_3/3.html