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| 型号： | SAF-XE167HM-48FXXL |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | RISC MICROCONTROLLER, PQFP144 |
| 封装： | 0.50 MM PITCH, GREEN, PLASTIC, LQFP-144 |
| 文件页数： | 113/140页 |
| 文件大小： | 1096K |
| 代理商： | SAF-XE167HM-48FXXL |
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XE167FM, XE167GM, XE167HM, XE167KM
XE166 Family Derivatives / Base Line
Functional Description
Data Sheet
74
V2.0, 2009-03
3.12
A/D Converters
For analog signal measurement, up to two 10-bit A/D converters (ADC0, ADC1) with
16 + 8 multiplexed input channels and a sample and hold circuit have been integrated
on-chip. 4 inputs can be converted by both A/D converters. 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 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. Both modules can be synchronized to allow parallel
sampling of two input channels.
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 XE167xM 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.
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).
相关PDF资料 |
PDF描述 |
|---|---|
| SAF-XE167HM-72FXXL | RISC MICROCONTROLLER, PQFP144 |
| SAF-XE167KM-48FXXL | RISC MICROCONTROLLER, PQFP144 |
| SAF-XE167KM-72FXXL | RISC MICROCONTROLLER, PQFP144 |
| SAK-XE167FM-48FXXL | RISC MICROCONTROLLER, PQFP144 |
| SAK-XE167FM-72FXXL | 32-BIT, FLASH, RISC MICROCONTROLLER, PQFP144 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAF-XE167HM-72F80L AA | 功能描述:16位微控制器 - MCU 16 BIT FLASH C11 IMM RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| SAF-XE167K-48F66L | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bit Single-Chip Real Time Signal Controller |
| SAF-XE167K-48F66L AC | 功能描述:16位微控制器 - MCU Integrated Circuits (ICs) Microcontrollers RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| SAF-XE167K-48F66LAC | 制造商:Rochester Electronics LLC 功能描述: 制造商:Infineon Technologies AG 功能描述: |
| SAF-XE167K-72F66L | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bit Single-Chip Real Time Signal Controller |
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