N50P111

N50P111 Datasheet


EasyPoint N50P111 is a miniature joystick module concept based on contact-less, magnetic movement detection. The integrated twodimensional linear encoder monitors the movement of the magnet incorporated in the knob and provides directly the x and y coordinates via output. An integrated mechanical push button built in the module provides a “select” function. Figure

Part Datasheet
N50P111 N50P111 N50P111 (pdf)
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Datasheet

E a s y P o i n t TM N 5 0 P 111

Navigation Module
1 General Description

EasyPoint N50P111 is a miniature joystick module concept based on contact-less, magnetic movement detection. The integrated twodimensional linear encoder monitors the movement of the magnet incorporated in the knob and provides directly the x and y coordinates via output. An integrated mechanical push button built in the module provides a “select” function. Figure

Figure Typical Application Diagram
2 Key Features

XY coordinates direct read with 8-bit resolution 2.7V to 3.6V operating voltage Down to 1.7V I/O voltage Lateral magnet movement radius up to 2.0mm High-speed interface Configurable interrupt output for motion detection Push button feature
3 Applications

The EasyPoint N50P111 is ideal for small form-factor manual input devices in battery operated equipment, such as Mobile phones, MP3 players, PDAs, GPS receivers, Gaming consoles and Analog joystick replacement.
4 Benefits

High reliability due to magnetic non-contact sensing Low power consumption Two operating modes - Idle mode - Low Power mode

DC ~ 3.6V VDD

N50P111

VDDp

DC ~ 3.6V

Supply I/O
2x 1k~10k
100k

AS5013

Two-dimensional magnetic encoder

Push button

GND Address GND 0x40 VDDp 0x41

SCL SDA INTn Reset/

Switch

Interface

Interrupt GPIO

GPIO
1 - 32

EasyPointTM N50P111

Datasheet - Contents

Contents
1 General Description 1 2 Key 1 3 1 4 1 5 Pin Assignments 4

Pin 4 6 Absolute Maximum Ratings 5 7 Electrical 6

Operating 6 Digital IO Pads DC/AC 6 Switch Characteristics 7 Mechanical Specifications 8 Recommended Reflow Temperature 8 Using the N50P111 Module 9 Powering up the 9 Registers 9 C Source Code Example 10

Initialization 10 Offset Calibration 10 Dead Zone 11 Interrupt Routine 11 9 XY Coordinates 12 EasyPoint Operating 12 Knob Displacement and Register Value 13 Operation Principle 14 10 interface 15 Interface 15 Electrical 16 Timing 17 Modes 18 Automatic Increment of Address Pointer 18 Invalid Addresses 18 Reading 18 High Speed Mode 21 Automatic Increment of Address Pointer 22 Invalid Addresses 22 SDA, SCL Input Filters 22 11 Registers 23 Control Register 1 0Fh 23 X Register 25 Y_res_int Register 11h 25 Xp Register 25 Xn Register 25
2 - 32

EasyPointTM N50P111

Datasheet - Contents

Yp Register 26 Yn Register 26 M_ctrl Register 26 J_ctrl Register 27 T_ctrl Register 2Dh 27 Control Register 2 2Eh 27 Registers Table 28 12 Package Drawings and Markings 30
3 - 32
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Datasheet ID: N50P111 519805