參數(shù)資料
型號: 101-1155
廠商: Rabbit Semiconductor
文件頁數(shù): 20/134頁
文件大?。?/td> 0K
描述: KIT DEVELOPMENT USA RCM4200
標(biāo)準(zhǔn)包裝: 1
系列: RabbitCore 4000
類型: MPU 核心模塊
適用于相關(guān)產(chǎn)品: RCM4200
所含物品: RabbitCore 模塊、開發(fā)板、交流適配器、纜線和 Dynamic C? 光盤
其它名稱: 316-1126
110
RabbitCore RCM4200
B.4.3 Analog Features (RCM4200 only)
The Prototyping Board has typical support circuitry installed to complement the ADS7870
A/D converter on the RCM4200 model (the A/D converter is not available on the
RCM4210 model).
B.4.3.1 A/D Converter Inputs
Figure B-6 shows a pair of A/D converter input circuits. The resistors form an approx. 11:1
attenuator, and the capacitor filters noise pulses from the A/D converter input. The 470
inline jumpers allow other configurations (see Table B-6) and provide digital isolation when
you are not using an A/D converter (Parallel Port D is available). These jumpers optimize
using RabbitCore modules with or without A/D converters—if you are designing your own
circuit, the best performance for the A/D converter would be realized with 0
resistors.
Figure B-6. A/D Converter Inputs
The A/D converter chip can make either single-ended or differential measurements
depending on the value of the opmode parameter in the software function call. Adjacent
A/D converter inputs are paired to make differential measurements. The default setup on
the Prototyping Board is to measure only positive voltages for the ranges listed in Table B-3.
Table B-3. Positive A/D Converter Input Voltage Ranges
Min. Voltage
(V)
Max. Voltage
(with prescaler)
(V)
Gain
Multiplier
A/D Converter
Actual Gain
Resolution
(mV)
0.0
+22.528
×1
1
11
0.0
+11.264
×2
1.8
5.5
0.0
+5.632
×4
3.6
2.75
0.0
+4.506
×5
4.5
2.20
0.0
+2.816
×8
7.2
1.375
0.0
+2.253
×10
9.0
1.100
0.0
+1.408
×16
14.4
0.688
0.0
+1.126
×20
18
0.550
100 kW
LN0_IN
AGND
LN1_IN
ADC
BVREF =
2.048 V
100 kW
2.2 nF
10
k
W
10
k
W
2.2 nF
ADC
(RCM4200)
JP23/JP24
1
3
Inline jumpers are
470 W resistors
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
101-1156 功能描述:開發(fā)板和工具包 - 其他處理器 RCM4200 Dev Kit (Intl) RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
101-115-6110-EV 功能描述:編碼器 1mA PUSH 220gf 12 PULSE 24 DETENTS RoHS:否 制造商:Avago Technologies 產(chǎn)品:Optical Encoders 類型:Absolute 每轉(zhuǎn)脈沖: 制動器數(shù)量: 通道數(shù)量:2 安裝風(fēng)格:Through Hole 端接類型:Solder Pin 輸出: 軸類型: 帶開關(guān): 電源電壓:5 V 工作溫度范圍:- 40 C to + 115 C
101-115-6191-EV 功能描述:編碼器 1mA PUSH 220gf 12 PULSE 24 DETENTS RoHS:否 制造商:Avago Technologies 產(chǎn)品:Optical Encoders 類型:Absolute 每轉(zhuǎn)脈沖: 制動器數(shù)量: 通道數(shù)量:2 安裝風(fēng)格:Through Hole 端接類型:Solder Pin 輸出: 軸類型: 帶開關(guān): 電源電壓:5 V 工作溫度范圍:- 40 C to + 115 C
101-1157 功能描述:開發(fā)板和工具包 - 其他處理器 RCM4100 Analog Dev Kit (US) RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
101-1158 功能描述:開發(fā)板和工具包 - 其他處理器 RCM4100 Analog Dev Kit (Intl) RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: