NS2009数据手册._ns2009驱动资源-CSDN文库

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ShenZhen Nsiway Technology Co., Ltd

201108

ShenZhen Nsiway Technology Co., Ltd

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CONTENTS

Change History .....................................................................................................................................................................2

General Description.............................................................................................................................................................

Features..................................................................................................................................................................................

Applications...........................................................................................................................................................................

Typical Application Circuit.................................................................................................................................................

Absolute Maximum Ratings...............................................................................................................................................

Electrical Characteristics ..................................................................................................................................................7

Pin Layout ............................................................................................................................................................................

Pin Discription......................................................................................................................................................................

Typical Characteristics .......................................................................................................................................................

Theory of Operation.........................................................................................................................................................

The Basic Principle...........................................................................................................................................................11

Analog Input Characteristics ...........................................................................................................................................

Differential Mode...............................................................................................................................................................

Application Recommendations of Touch Screen.........................................................................................................12

Pressure Measurement....................................................................................................................................................

Digital Interface...................................................................................................................................................................

Write Command ................................................................................................................................................................13

Read Command ................................................................................................................................................................

High-Speed Mode.............................................................................................................................................................

Digital Timing.....................................................................................................................................................................

Data Format.......................................................................................................................................................................

PENIRQ Output.................................................................................................................................................................

Application Note.................................................................................................................................................................

Physical Size of Chip Package ......................................................................................................................................

MSOP-10 Package...........................................................................................................................................................

QFN(3×3)-16L Package...................................................................................................................................................

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FIGURE LISTS

Figure1. NS2009 Typical Application Circuit ..................................................................................................................5

Figure 2. MSOP-10 Package Pin Distribution (top view).................................................................................................8

Figure 3. QFN(3×3)-16L Package Pin Distribution (top view).........................................................................................8

Figure 4. NS2009 Analog Input Schematic.....................................................................................................................11

Figure 5. Differential reference mode diagram (C3 = 1, Y direction drive switch closure, XP as an analog input).......12

Figure 6. Pressure Measurement Block Diagram............................................................................................................12

Figure 7. I2C interface write command timing diagram .................................................................................................13

Figure 8. I2C Interface Read Command Timing Schamatic ...........................................................................................14

Figure 9. NS2009 Digital Interface.................................................................................................................................

Figure 10.Ideal Input Voltages and Output Codes..........................................................................................................16

Figure 11. PENIRQ Function Schematic .......................................................................................................................16

Figure 12. MSOP-10 Package Size .................................................................................................................................

Figure 13.QFN(3×3)-16L Package Size..........................................................................................................................19

TABLE LISTS

Table 1 Chip Limit Parameter Table...........................................................................................................................6

Table 2 NS2009 Electrical Characteristics Table ......................................................................................................7

Table 3 ADC Input Configuration ...............................................................................................................................11

Table 4 address byte....................................................................................................................................................

Table 5 Command Byte ...............................................................................................................................................

Table 6 PD0 Control Bit..............................................................................................................................................

Table 7 timing specification.........................................................................................................................................