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XPT7603 Datasheet(PDF) 21 Page - List of Unclassifed Manufacturers

Part No. XPT7603
Description  4-wire resistive touch screen controller
Download  25 Pages
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Maker  ETC2 [List of Unclassifed Manufacturers]
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 21 page
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X
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High-Speed Mode, Cb = 400pF max
20
80
ns
trCL1
Rise Time of SCL Signal After a Repeated
START Condition and After an Acknowledge
Bit
Standard Mode
Fast Mode
High-Speed Mode, Cb = 100pF max
High-Speed Mode, Cb = 400pF max
20 + 0.1Cb
10
20
1000
300
80
160
ns
ns
ns
ns
tfCL
Fall Time of SCL Signal
Standard Mode
Fast Mode
High-Speed Mode, Cb = 100pF max
High-Speed Mode, Cb = 400pF max
20 + 0.1Cb
10
20
300
300
40
80
ns
ns
ns
ns
trDA
Rise Time of SDA Signal
Standard Mode
Fast Mode
High-Speed Mode, Cb = 100pF max
High-Speed Mode, Cb = 400pF max
20 + 0.1Cb
10
20
1000
300
80
160
ns
ns
ns
ns
tfDA
Fall Time of SDA Signal
Standard Mode
Fast Mode
High-Speed Mode, Cb = 100pF max
High-Speed Mode, Cb = 400pF max
20 + 0.1Cb
10
20
300
300
80
160
ns
ns
ns
ns
tSU; STO
Setup Time for STOP Condition
Standard Mode
Fast Mode
High-Speed Mode
4.0
600
160
Āµs
ns
ns
Cb
Capacitive Load for SDA or SCL Line
Standard Mode
Fast Mode
High-Speed Mode, SCL = 1.7MHz
High-Speed Mode, SCL = 3.4MHz
400
400
400
100
pF
pF
pF
pF
tSP
Pulse Width of Spike Suppressed
Fast Mode
High-Speed Mode
0
0
50
10
ns
ns
VnH
Noise Margin at the HIGH Level for Each
Connected Device (Including Hysteresis)
Standard Mode
Fast Mode
High-Speed Mode
0.2VDD
V
VnL
Noise Margin at LOW Level for Each
Connected Device (Including Hysteresis)
Standard Mode
Fast Mode
High-Speed Mode
0.1VDD
V
9.5
Data Format
XPT7603 output data format is a standard binary format. The following figure gives a different
output voltage corresponding to the ideal encoding.
10 PENIRQ Output
Through the disruption of the functional pen set PD0 (see Table 6), pen interrupt output function
shown in Figure 9.
PD0 = 0 when in, YN-driven open, the Y-touch screen panel to be connected to GND. PENIRQ
output through two input switches and XP together. In the standby mode, when there is a touch-
screen action, XP input through the touch-screen drop-down to ground, PENIRQ low output, there
is no movement when touched, XP and GND disconnect, PENIRQ high output.




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