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参数资料
| 型号： | SAB-C167CR-L33M |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 33 MHz, MICROCONTROLLER, PQFP144 |
| 封装： | PLASTIC, MQFP-144 |
| 文件页数： | 39/89页 |
| 文件大小： | 1477K |
| 代理商： | SAB-C167CR-L33M |
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C167CR
C167SR
Functional Description
Data Sheet
42
V3.3, 2005-02
3.8
A/D Converter
For analog signal measurement, a 10-bit A/D converter with 16 multiplexed input
channels and a sample and hold circuit has been integrated on-chip. It uses the method
of successive approximation. The sample time (for loading the capacitors) and the
conversion time is programmable and can so be adjusted to the external circuitry.
Overrun error detection/protection is provided for the conversion result register
(ADDAT): either an interrupt request will be generated when the result of a previous
conversion has not been read from the result register at the time the next conversion is
complete, or the next conversion is suspended in such a case until the previous result
has been read.
For applications which require less than 16 analog input channels, the remaining
channel inputs can be used as digital input port pins.
The A/D converter of the C167CR supports four different conversion modes. In the
standard Single Channel conversion mode, the analog level on a specified channel is
sampled once and converted to a digital result. In the Single Channel Continuous mode,
the analog level on a specified channel is repeatedly sampled and converted without
software intervention. In the Auto Scan mode, the analog levels on a prespecified
number of channels are sequentially sampled and converted. In the Auto Scan
Continuous mode, the number of prespecified channels is repeatedly sampled and
converted. In addition, the conversion of a specific channel can be inserted (injected) into
a running sequence without disturbing this sequence. This is called Channel Injection
Mode.
The Peripheral Event Controller (PEC) may be used to automatically store the
conversion results into a table in memory for later evaluation, without requiring the
overhead of entering and exiting interrupt routines for each data transfer.
After each reset and also during normal operation the ADC automatically performs
calibration cycles. This automatic self-calibration constantly adjusts the converter to
changing operating conditions (e.g. temperature) and compensates process variations.
These calibration cycles are part of the conversion cycle, so they do not affect the normal
operation of the A/D converter.
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 IO or input stages
under software control. This can be selected for each pin separately via register P5DIDIS
(Port 5 Digital Input Disable).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SAB-C167CR-LM | 制造商:Siemens 功能描述:MicroController, 16-Bit, 144 Pin, Plastic, QFP |
| SABC167CRLM HA+ | 制造商:Infineon Technologies AG 功能描述: |
| SAB-C167CR-LM HA+ | 功能描述:16位微控制器 - MCU 16BIT ROM/ROMLESS 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 |
| SABC167CRLM HA+TR | 制造商:Infineon Technologies AG 功能描述: |
| SAB-C167CR-LMBA | 制造商:Siemens 功能描述:Part Number Only |
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