參數(shù)資料
型號(hào): MC9328MX21DVM
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(yè)數(shù): 56/96頁(yè)
文件大小: 1495K
代理商: MC9328MX21DVM
MC9328MX1 Advance Information, Rev. 4
56
Freescale Semiconductor
Specifications
Note that QVDD should be 1800mV.
3.11.2 Gain Calculations
The ideal mapping of input voltage to output digital sample is defined as follows:
Figure 35. Gain 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
Table 23. ASP Touch Panel Controller Electrical Spec
Parameter
Minimum
Type
Maximum
Unit
Offset
32768
Offset Error
8199
Gain
13.65
mV
-1
Gain Error
33%
DNL
8
9
Bits
INL
0
Bits
Accuracy (without missing code)
8
9
Bits
Operating Voltage Range (Pen)
QVDD
mV
Operating Voltage Range (U)
Negative QVDD
QVDD
mV
On-resistance of switches SW[8:1]
10
Ohm
2400
1800
Smax
65535
C0
G0
Sample
Vi
-2400
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