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Glossary
C-2
board support library (BSL): The BSL is a set of application programming
interfaces (APIs) consisting of target side DSP code used to configure
and control board level peripherals.
boot: The process of loading a program into program memory.
boot mode: The method of loading a program into program memory. The
C6x DSP supports booting from external ROM or the host port interface
(HPI).
BSL: See board support library.
byte: A sequence of eight adjacent bits operated upon as a unit.
C
cache: A fast storage buffer in the central processing unit of a computer.
cache controller: System component that coordinates program accesses
between CPU program fetch mechanism, cache, and external memory.
CCS: Code Composer Studio.
central processing unit (CPU): The portion of the processor involved in
arithmetic, shifting, and Boolean logic operations, as well as the
generation of data- and program-memory addresses. The CPU includes
the central arithmetic logic unit (CALU), the multiplier, and the auxiliary
register arithmetic unit (ARAU).
chip support library (CSL): The CSL is a set of application programming
interfaces (APIs) consisting of target side DSP code used to configure
and control all on-chip peripherals.
clock cycle: A periodic or sequence of events based on the input from the
external clock.
clock modes: Options used by the clock generator to change the internal
CPU clock frequency to a fraction or multiple of the frequency of the input
clock signal.
code: A set of instructions written to perform a task; a computer program or
part of a program.
coder-decoder or compression/decompression (codec): A device that
codes in one direction of transmission and decodes in another direction
of transmission.
compiler: A computer program that translates programs in a high-level
language into their assembly-language equivalents.