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參數(shù)資料
| 型號： | SAK-XC2220L-12F80V |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQCC48 |
| 封裝： | 0.50 MM PITCH, GREEN, PLASTIC, VQFN-48 |
| 文件頁數(shù)： | 57/112頁 |
| 文件大小： | 3122K |
| 代理商： | SAK-XC2220L-12F80V |
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XC2220L, XC2224L
XC2000 Family / Econo Line
Functional Description
PRELIMINARY
Data Sheet
45
V1.0, 2010-12
3.11
A/D Converters
For analog signal measurement, a 12-bit A/D converters (ADC0) with 10 multiplexed
input channels and a sample and hold circuit have been integrated on-chip. Conversions
use the successive approximation method. The sample time (to charge the capacitors)
and the conversion time are programmable so that they can be adjusted to the external
circuit. The A/D converters can also operate in 8-bit and 10-bit conversion mode, further
reducing the conversion time.
Several independent conversion result registers, selectable interrupt requests, and
highly flexible conversion sequences provide a high degree of programmability to meet
the application requirements.
For applications that require more analog input channels, external analog multiplexers
can be controlled automatically. For applications that require fewer analog input
channels, the remaining channel inputs can be used as digital input port pins.
The A/D converters of the XC222[04]L support two types of request sources which can
be triggered by several internal and external events.
Parallel requests are activated at the same time and then executed in a predefined
sequence.
Queued requests are executed in a user-defined sequence.
In addition, the conversion of a specific channel can be inserted into a running sequence
without disturbing that sequence. All requests are arbitrated according to the priority
level assigned to them.
Data reduction features reduce the number of required CPU access operations allowing
the precise evaluation of analog inputs (high conversion rate) even at a low CPU speed.
Result data can be reduced by limit checking or accumulation of results. Two cascadable
filters build the hardware to generate a configurable moving average.
The Peripheral Event Controller (PEC) can be used to control the A/D converters or to
automatically store conversion results to a table in memory for later evaluation, without
requiring the overhead of entering and exiting interrupt routines for each data transfer.
Each A/D converter contains eight result registers which can be concatenated to build a
result FIFO. Wait-for-read mode can be enabled for each result register to prevent the
loss of conversion data.
In order to decouple analog inputs from digital noise and to avoid input trigger noise,
those pins used for analog input can be disconnected from the digital input stages. This
can be selected for each pin separately with the Port x Digital Input Disable registers.
The Auto-Power-Down feature of the A/D converters minimizes the power consumption
when no conversion is in progress.
Broken wire detection for each channel and a multiplexer test mode provide information
to verify the proper operation of the analog signal sources (e.g. a sensor system).
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAK-XC2220U-8F40V AA | 功能描述:16位微控制器 - MCU 16/32b Sngl Chip MCU 32Bit Perform 40MHz RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| SAK-XC2224L-20F66V AA | 功能描述:16位微控制器 - MCU 16/32b Sngl Chip MCU 32Bit Performance RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| SAK-XC2232N-40F80LAA | 制造商:Infineon Technologies AG 功能描述: |
| SAK-XC2234L-20F66L AA | 功能描述:16位微控制器 - MCU 16/32b Sngl Chip MCU 32Bit Perform 66MHz RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| SAK-XC2236N-16F66LAA | 制造商:Infineon Technologies AG 功能描述: |
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