參數資料
型號: MC9328MX21VM
廠商: Motorola, Inc.
英文描述: i.MX family of microprocessors
中文描述: i.MX系列微處理器
文件頁數: 57/96頁
文件大?。?/td> 1495K
代理商: MC9328MX21VM
Specifications
MC9328MX1 Advance Information, Rev. 4
Freescale Semiconductor
57
3.11.3 Offset Calculations
The ideal mapping of input voltage to output digital sample is defined as:
Figure 36. Offset Calculations
In general, the mapping function is:
S = G * V + C
Where V is input, S is output, G is the slope, and C is the y-intercept.
Nominal Gain G
0
= 65535 / 4800 = 13.65mV
-1
Nominal Offset C
0
= 65535 / 2 = 32767
3.11.4 Gain Error Calculations
Gain error calculations are made using the information in this section.
Figure 37. Gain Error Calculations
Assuming the offset remains unchanged, the mapping is rotated around y-intercept to determine the maximum gain
allowed. This occurs when the sample at 1800mV has just reached the ceiling of the 16-bit range, 65535.
2400
1800
Smax
65535
C0
G0
Sample
Vi
-2400
2400
1800
Smax
65535
C0
G0
Sample
Vi
- 2400
Gmax
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相關代理商/技術參數
參數描述
MC9328MX21VM 制造商:Freescale Semiconductor 功能描述:Microprocessor
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