status register


Also found in: Dictionary, Thesaurus, Medical, Legal, Acronyms, Wikipedia.

status register

[′stad·əs ‚rej·ə·stər]
(computer science)
A register maintained by the central processing unit that contains a status byte with information about activities currently taking place there.
References in periodicals archive ?
The place where the status registers and the control registers could be seen depends on controller which is attached to CP242-8 module.
The write protect enable bit, WPEN, within the device status register, allows software control of the memory array's write protection.
The '461 and '115 patents specifically require that the device have two instruction decoders; -- The '646 patent requires that PLA structures be used for decoding critical bits of each program instruction word; -- The PC modifier, as described in the '115 and '265 patents, modify (among other things) the T-bit in the program counter; -- The current program status register, as described in the '563 patent, is a single structure and is distinct from the saved program status registers; -- The user mode, as described in the '493 patent, denies access to privileged resources, while the system mode (which must be a form of exception mode) must provide access to those resources; -- The '804 patent requires multiplier-accumulator "N-bit results" that are different from "2N-bit results".
A status register monitors operations and a ready/busy output indicates when an operation is complete.
The board provides comprehensive on-board support for hot-swap including an injector/ejector microswitch, a blue LED and status register.