DotW AB1126 Users manual

Users Manual

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TABLE OF CONTENTS

TABLE OF CONTENTS .................................................................................................................................... 2

1 System Overview .................................................................................................................................... 3

1.1 General Description ..................................................................................................................... 3

1.2 Features....................................................................................................................................... 3

1.3 Applications.................................................................................................................................. 4

2 Electrical Characteristics..................................................................................................................... 5

2.1 Absolute Maximum Ratings ....................................................................................................... 5

2.2 Recommended Operating Conditions........................................................................................ 5

2.3 Digital Terminals......................................................................................................................... 5

2.4 Reference Clock ........................................................................................................................ 6

2.5 Switching Regulator................................................................................................................... 6

2.6 LDO Regulator........................................................................................................................... 7

2.7 Battery Charger.......................................................................................................................... 7

2.8 Typical Current Consumption..................................................................................................... 7

2.9 Radio Characteristics................................................................................................................. 8

2.9.1 Transmitter ........................................................................................................................ 8

2.9.2 Receiver ............................................................................................................................ 9

3 FCC Statement ..................................................................................................................... 12

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1 System Overview

1.1 General Description

AB1126 is an optimized single-chip solution which integrates baseband and radio for wireless human input
device applications including 3D glasses, game controller, remote control, and wireless mouse. It complies
with Bluetooth system version 3.0 with the EDR function. AB1126 integrates the Li-ion battery charger circuit
that provides 400mA charging current and reduces customer charging time.

1.2 Features

 Compliant with Bluetooth 3.0 specification
 Support EDR function
 HID profile version 1.1 compliant
 3D Sync profile 1.0 compliant
 Device ID profile 1.3 compliant
 Support 3-axis detection
 Support hardware key-scan matrix
 Support SPI interface with 2/4-wire mode to mouse sensor IC
 Support I2C EEPROM interface
 Support UART interface for firmware downloading and peripheral control
 Embedded 4 LED drivers with fader
 Low cost ROM based design with customer code support
 Embedded power management unit
 Integrated 1.8V Buck and 1.8/2.7V LDO regulator
 Integrated Li-ion battery charger
 Single RF port for transmitter and receiver
 Receiver sensitivity of -89dBm at basic data rate
 Transmit power up to +4dBm with 25 dB gain tuning range
 QFN 5mm x 5mm 40 pin package

1.3 Applications

There are two typical applications of AB1126. One is 3D Glasses, and the other is wireless mouse. The
application block diagrams are illustrated as below

3D Glasses

Figure 1-1 3DG Application Block Diagram

Wireless Mouse

Figure 1-2 Wireless Mouse Application Block Diagram