參數(shù)資料
型號: SE370C777Ayyz
廠商: Texas Instruments, Inc.
英文描述: TMS370 MICROCONTROLLER FAMILY DATA BOOK
中文描述: TMS370微控制器系列數(shù)據(jù)手冊
文件頁數(shù): 44/78頁
文件大小: 919K
代理商: SE370C777AYYZ
GLOSSARY/SYMBOLS, TERMS, AND DEFINITIONS
1–36
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
static RAM (SRAM):
els. The memory cell is a static latch that retains data as long as power is applied to the memory array. No refresh
is required. The type of periphery circuitry sub-categorizes static RAMs.
A read/write random-access device within which information is stored as latched voltage lev-
status register (ST):
interrupt-enable bits
A CPU register that monitors the operation of the instructions and contains the global-
symbolic debugging:
ging tool such as an XDS/22, a design kit, or a CDT370
The ability of a software tool to retain symbolic information so that it can be used by a debug-
symbol table:
the file
A portion of a COFF file that contains information about the symbols that are defined and used by
SYSCLK:
external oscillator frequency.
System Clock. This signal synchronizes external peripherals. It outputs one quarter of the crystal or
T
T1:
Timer 1 module contains a general-purpose timer and watchdog timer. Both timers allow program selection of
input-clock source (real time, external event, or pulse accumulate) with multiple registers (input capture and
compare) for special timer function control.
T2A:
Timer 2A module is composed of a 16-bit resettable counter, 16-bit compare register with associated compare
logic, a 16-bit capture register, and a 16-bit register that functions as a capture register in one mode and as a
compare register in the other mode.
T2B:
Timer 2B module is composed of a 16-bit resettable counter, 16-bit compare register with associated compare
logic, a 16-bit capture register, and a 16-bit register that functions as a capture register in one mode and as a
compare register in the other mode.
time slots:
command or definition requires one, two, or three time slots. The number of time slots available is a function of
the PACT prescaled clock and the frequency of access to the dual-port RAM by the CPU.
The internal cycles in which the PACT module can make a 32-bit access to the dual-port RAM. Each
U
unsigned integer:
A number system used to express positive integers
V
very-large-scale integration (VLSI):
large-scale integration (LSI) and involves a much higher equivalent gate count. At this time an exact definition
including a minimum gate count has not been standardized by JEDEC or the IEEE.
The description of an IC technology that is much more complex than
virtual timer:
incremented by the PACT prescaled clock and cleared upon reaching a maximum value that is set by this
definition.
An entry in the PACT command/definition area that creates an independent time base that is
volatile memory:
A memory in which the data content is lost when the power supply is disconnected
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