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stack pointer

   Also found in: Acronyms, Wikipedia 0.03 sec.

stack pointer

An address that identifies the location of the most recent item placed on the stack.


stack pointer [′stak ‚pȯint·ər]
(computer science)
A register which contains the last address of a stack of addresses.

(architecture, programming)stack pointer - (SP) A register or variable pointing to the top of a stack.


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The new devices contain a number of important architectural features including 16 register banks for fast context switching, instruction pre-fetch, a 16-bit stack pointer over the entire memory space, 20 addressing modes, 16-bit program counter and five power saving modes (STOP, SLOW, IDLE1, IDLE2 and SLEEP).
The new devices contain a number of architectural features including 16 register banks for fast context switching, instruction pre-fetch, a 20-bit stack pointer over the entire memory space, 23 addressing modes, 20-bit program counter and up to five power saving modes (STOP, SLOW, IDLE1, IDLE2 and SLEEP modes).
Other enhancements include double precision multiplication support, shadow registers for fast context switching, a dedicated software stack pointer, automatic boot procedure, single cycle min/max instruction and single cycle division seed generation.
 
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