In a segmented architecture computer, a far pointer is a pointer to memory in a specific context, ESA/370, ESA/390, and z/Architecture include facilities for a program running in one address space to access data in another via "access registers".
On AVR
On larger AVR microcontrollers, addressing more than 64 KB is possible via far pointers, which include an identification of the 64 KB "page" to access.
Notes
References
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