參數(shù)資料
型號: CTMRM
英文描述: Configurable Timer Module Reference Manual
中文描述: 配置定時器模塊參考手冊
文件頁數(shù): 150/164頁
文件大?。?/td> 1148K
代理商: CTMRM
MOTOROLA
C-2
CTM
REFERENCE
GLOSSARY
C
CPSM
Counter prescaler submodule.
CPU
Central processing unit.
CPU16
Motorola’s 16-bit CPU core for IMB based devices.
CPU32
Motorola’s 32-bit CPU core for IMB based devices.
CTM
Configurable timer module.
D/A, DAC
Digital-to-analog (converter).
Daisy chain
In the CTM, a hardware priority system whereby the relative priorities of a number of
interrupt sources is determined by their position in the chain.
DASM
Double action submodule.
EBI
External bus interface; a module responsible for interfacing the IMB with the external
bus. The external bus includes those generalized lines needed for system operation
and external transactions, but does not include the lines specific to a module. EBIs
will differ from chip to chip depending upon the need for handling interrupts, external
bus mastership, bus errors, etc.
EEPROM
Electrically erasable programmable read only memory. aka‘EEROM’.
EPROM
Erasable programmable read only memory. This type of memory requires exposure to
ultra-violet wavelengths in order to erase previous data. aka‘PROM’.
ESD
Electrostatic discharge.
Expanded mode
In this mode the internal address and data bus lines are connected to external pins.
This enables the device to be used in much more complex systems, where there is a
need for external memory for example.
EVS
Evaluation system. One of the range of platforms provided by Motorola for evaluation
and emulation of their devices.
FCSM
Free-running counter submodule.
HCMOS
High-density complementary metal oxide semiconductor. A semiconductor
technology chosen for its low power consumption and good noise immunity.
I/O
Input/output; used to describe a bidirectional pin or function.
IMB
Inter module bus; the 68300 series standard internal bus. It allows exchange of data
between master and slave modules.
IC
Input capture; a function provided by the timing system, whereby an external event is
‘captured’ by storing the value of a counter at the instant the event is detected.
Interrupt
An asynchronous external event handled by the MCU. The external event is detected
by the MCU and causes a predetermined action to occur.
IRQ
Interrupt request. (The overline indicates that this is an active-low signal format.)
kbyte
A kilo-byte (of memory); 1024 bytes.
LCD
Liquid crystal display.
F
.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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