参数资料
型号: 101-1155
厂商: Rabbit Semiconductor
文件页数: 22/134页
文件大小: 0K
描述: KIT DEVELOPMENT USA RCM4200
标准包装: 1
系列: RabbitCore 4000
类型: MPU 核心模块
适用于相关产品: RCM4200
所含物品: RabbitCore 模块、开发板、交流适配器、缆线和 Dynamic C? 光盘
其它名称: 316-1126
112
RabbitCore RCM4200
B.4.3.2 Thermistor Input
Analog input LN7_IN on the Prototyping Board was designed specifically for use with a
thermistor at JP25 in conjunction with the THERMISTOR.C sample program, which demon-
strates how to use the analog input to measure temperature, which will be displayed in the
Dynamic C STDIO window. The sample program is targeted specifically for the thermistor
included with the Development Kit with R0 @ 25°C = 3 k and β 25/85 = 3965. Be sure
to use the applicable R0 and β values for your thermistor if you use another thermistor.
Figure B-7. Prototyping Board Thermistor Input
B.4.3.3 A/D Converter Calibration
To get the best results form the A/D converter, it is necessary to calibrate each mode (single-
ended or differential) for each of its gains. It is imperative that you calibrate each of the
A/D converter inputs in the same manner as they are to be used in the application. For
example, if you will be performing floating differential measurements or differential mea-
surements using a common analog ground, then calibrate the A/D converter in the corre-
sponding manner. The calibration must be done with the JP23/JP24 selection jumpers in
the desired position (see Figure B-6). If a calibration is performed and a jumper is subse-
quently moved, the corresponding input(s) must be recalibrated. The calibration table in
software only holds calibration constants based on mode, channel, and gain. Other factors
affecting the calibration must be taken into account by calibrating using the same mode
and gain setup as in the intended use.
Sample programs are available to illustrate how to read and calibrate the various A/D
inputs for the single-ended operating mode.
Mode
Read
Calibrate
Single-Ended, one channel
AD_CAL_CHAN.C
Single-Ended, all channels
AD_RDVOLT_ALL.C
AD_CAL_ALL.C
9
1 kW
LN7_IN
BVREF
Thermistor
JP25
J3
2.2 nF
AGND
ADC
(RCM4200)
Inline jumper is
470 W resistor
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相关代理商/技术参数
参数描述
101-1156 功能描述:开发板和工具包 - 其他处理器 RCM4200 Dev Kit (Intl) RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压:
101-115-6110-EV 功能描述:编码器 1mA PUSH 220gf 12 PULSE 24 DETENTS RoHS:否 制造商:Avago Technologies 产品:Optical Encoders 类型:Absolute 每转脉冲: 制动器数量: 通道数量:2 安装风格:Through Hole 端接类型:Solder Pin 输出: 轴类型: 带开关: 电源电压:5 V 工作温度范围:- 40 C to + 115 C
101-115-6191-EV 功能描述:编码器 1mA PUSH 220gf 12 PULSE 24 DETENTS RoHS:否 制造商:Avago Technologies 产品:Optical Encoders 类型:Absolute 每转脉冲: 制动器数量: 通道数量:2 安装风格:Through Hole 端接类型:Solder Pin 输出: 轴类型: 带开关: 电源电压:5 V 工作温度范围:- 40 C to + 115 C
101-1157 功能描述:开发板和工具包 - 其他处理器 RCM4100 Analog Dev Kit (US) RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压:
101-1158 功能描述:开发板和工具包 - 其他处理器 RCM4100 Analog Dev Kit (Intl) RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: