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參數(shù)資料
| 型號： | CR16MES544VE |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 16位微控制器 |
| 英文描述： | Family of CompactRISC 16-Bit Microcontrollers |
| 中文描述： | 家庭CompactRISC 16位微控制器 |
| 文件頁數(shù)： | 7/99頁 |
| 文件大?。?/td> | 449K |
| 代理商： | CR16MES544VE |
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3.13
A/D CONVERTER
The A/D Converter (ADC) module is an 8-channel multi-
plexed-input analog-to-digital converter. The A/D Converter
receives an analog voltage signal on an input pin and con-
verts the analog signal into an 8-bit digital value using suc-
cessive approximation. The CPU can then read the result
from a memory-mapped register. The module supports four
automated operating modes, providing single-channel or
scanned 4-channel operation in single or continuous mode.
The 80-pin device has a separate pin, Vref, for the A/D refer-
ence voltage. The 44-pin devices use the AVCC (analog
VCC) power supply pin as the reference voltage.
3.14
ANALOG COMPARATORS
The Dual Analog Comparator (ACMP2) module contains two
independent analog comparators with all necessary control
logic. Each comparator unit compares the analog input volt-
ages applied to two input pins and determines which voltage
is higher. The CPU uses a memory-mapped register to con-
trol the comparator and to obtain the comparison results. The
comparison result can also be applied to comparator output
pins.
3.15
DEVELOPMENT SUPPORT
A powerful cross-development tool set is available from Na-
tional Semiconductor and third parties to support the devel-
opment and debugging of application software for the device.
The tool set lets you program the application software in C
and is designed to take full advantage of the CompactRISC
architecture.
There are In-System Emulation (ISE) devices available for
the device from iSYSTEM, as well as lower-cost evaluation
boards. See your National Semiconductor sales representa-
tive for current information on availability of various features
of emulation equipment and evaluation boards.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CR16MES544VI | Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES9 | Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES944V8 | Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES944VE | Family of CompactRISC 16-Bit Microcontrollers |
| CR18 | TAD THICK FILM CHIP RESISTORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CR16MES544VI | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES9 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES944V8 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES944VE | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES944VI | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
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