MC9328MX1_06 Datasheet, PDF (60/100 Pages) Freescale Semiconductor, Inc – MX Family of applications processors

Functional Description and Application Information
Table 19. Pen ADC Test Conditions
Vp max 1800 mV ip max +7 µA
Vp min GND
ip min 1.5 µA
Vn
GND
in
1.5 µA
Sample frequency 12 MHz
Sample rate
1.2 KHz
Input frequency
100 Hz
Input range
0–1800 mV
Note: Ru1 = Ru2 = 200K
Table 20. Pen ADC Absolute Rating
ip max +9.5 µA
ip min -2.5 µA
in max +9.5 µA
in min -2.5 µA
4.6 ASP Touch Panel Controller
The following sections contain the electrical specifications of the ASP touch panel controller. The value
of parameters and their corresponding measuring conditions are mentioned as well.
4.6.1 Electrical Specifications
Test conditions: Temperature = 25º C, QVDD = 1800mV.
Table 21. ASP Touch Panel Controller Electrical Spec
Parameter
Offset
Offset Error
Gain
Gain Error
DNL
INL
Accuracy (without missing code)
Operating Voltage Range (Pen)
Operating Voltage Range (U)
On-resistance of switches SW[8:1]
Minimum
–
–
–
–
8
–
8
–
Negative QVDD
–
Typical
32768
–
13.65
–
9
0
9
–
–
10
Maximum
–
8199
–
33%
–
–
–
QVDD
QVDD
–
Note that QVDD should be 1800mV.
Unit
–
–
mV^-1
–
Bits
Bits
Bits
mV
mV
Ohm
MC9328MX1 Technical Data, Rev. 7
60
Freescale Semiconductor