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Glossary
A-2
block: The three least significant bits of the program address. These corre-
spond to the address within a fetch packet of the first instruction being
addressed.
BOARD: The BOARD-specific API Module.
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 module: CACHE is an API module containing a set of functions for
managing data and program cache.
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 genera-
tion of data- and program-memory addresses. The CPU includes the
central arithmetic logic unit (CALU), the multiplier, and the auxiliary regis-
ter arithmetic unit (ARAU).
CHIP: See CHIP module.
CHIP module: The CHIP module is an API module where chip-specific and
device-related code resides. CHIP has some API functions for obtaining
device endianess, memory map mode if applicable, CPU and REV IDs,
and clock speed.
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.