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| 型號(hào)： | 20-101-1094 |
| 廠商： | Rabbit Semiconductor |
| 文件頁(yè)數(shù)： | 18/130頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | MCU RCM4000 RABBITCORE |
| 標(biāo)準(zhǔn)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： | RCM4000 |
| 產(chǎn)品目錄頁(yè)面： | 619 (CN2011-ZH PDF) |
| 其它名稱： | 316-1139 |
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RabbitCore RCM4000
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 25/85 = 3965. Be sure
to use the applicable R0 and 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 from 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
(RCM4100)
Inline jumper is
470 W resistor
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| 20-101-0494 | MODULE RABBITCORE RCM2250 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 20-101-1095 | 功能描述:模塊化系統(tǒng) - SOM BL2600 XD HOT SWAP 10/100 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(chǔ)容量:8 MB, 16 MB 存儲(chǔ)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 |
| 20-101-1104 | 功能描述:處理器配件 USB xd reader RoHS:否 制造商:Olimex Ltd. 產(chǎn)品:Cable 用于: |
| 20-101-1105 | 功能描述:模塊化系統(tǒng) - SOM RCM4100 RabbitCore Module 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(chǔ)容量:8 MB, 16 MB 存儲(chǔ)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 |
| 20-101-1110 | 功能描述:界面開(kāi)發(fā)工具 Rio Protyping Board RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| 20-101-1112 | 功能描述:模塊化系統(tǒng) - SOM RCM4010 Core Module 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(chǔ)容量:8 MB, 16 MB 存儲(chǔ)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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