參數(shù)資料
型號： 101-1156
廠商： Rabbit Semiconductor
文件頁數(shù)： 20/134頁
文件大小： 0K
描述： KIT DEVELOPMENT INT'L RCM4200
標(biāo)準(zhǔn)包裝： 1
系列： RabbitCore 4000
類型： MPU 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
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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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:
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