參數(shù)資料
型號: 20-101-1132
廠商: Rabbit Semiconductor
文件頁數(shù): 22/134頁
文件大?。?/td> 0K
描述: MODULE RCM4210 RABBITCORE
產(chǎn)品培訓模塊: WiFi Authentication
標準包裝: 1
系列: RabbitCore®
模塊/板類型: MPU 核心模塊
適用于相關(guān)產(chǎn)品: RCM4210
其它名稱: 316-1125
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
相關(guān)PDF資料
PDF描述
20-101-1094 MCU RCM4000 RABBITCORE
345-030-540-802 CONN CARDEDGE 30POS .100 X .200
305-030-500-202 CONN CARDEDGE 30POS .156 X .140
243-002-542-101 MINI CARD EDGE 0.2" - 2PIN 1ROW
20-101-1217 MODULE RABBITCORE RCM3229
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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20-101-1138 功能描述:模塊化系統(tǒng) - SOM RCM4300 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in
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20-101-1140 功能描述:WiFi/802.11模塊 RCM4400W CORE MODULE Wi-Fi/802.11 RoHS:否 制造商:Taiyo Yuden 支持協(xié)議:802.11 b/g/n 頻帶: 數(shù)據(jù)速率:150 Mbps 接口類型:SDIO 傳輸功率(最大): 天線連接器類型: 工作電源電壓:3.4 V to 5.5 V 傳輸供電電流: 接收供電電流: 最大工作溫度:+ 80 C 尺寸:35 mm x 15 mm x 2.9 mm
20-101-1153 功能描述:子卡和OEM板 RCM4300 Proto board RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit