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Rainbow Electronics W90N745CDG User Manual

Page 4

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W90N745CD/W90N745CDG

Publication Release Date: September 22, 2006

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III

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Revision

A2

6.8.2

Standard Device Request.............................................................................................192

6.8.3

USB Device Register Description .................................................................................192

6.9

Audio Controller .......................................................................................................... 231

6.9.1

I²S Interface..................................................................................................................231

6.9.2

AC97 Interface .............................................................................................................232

6.9.3

Audio Controller Register Map......................................................................................235

6.10

Universal Asynchronous Receiver/Transmitter Controller ......................................... 254

6.10.1

UART0........................................................................................................................256

6.10.2

UART1........................................................................................................................256

6.10.3

UART2........................................................................................................................258

6.10.4

UART3........................................................................................................................260

6.10.5

General UART Controller ...........................................................................................261

6.10.6

High speed UART Controller ......................................................................................274

6.11

Timer/Watchdog Controller......................................................................................... 288

6.11.1

General Timer Controller ............................................................................................288

6.11.2

Watchdog Timer .........................................................................................................288

6.11.3

Timer Control Registers Map......................................................................................288

6.12

Advanced Interrupt Controller..................................................................................... 297

6.12.1

Interrupt Sources........................................................................................................298

6.12.2

AIC Registers Map .....................................................................................................301

6.13

General-Purpose Input/Output ................................................................................... 314

6.13.1

GPIO Register Description .........................................................................................316

6.13.2

GPIO Register Description .........................................................................................317

6.14

I

2

C Interface ................................................................................................................ 338

6.14.1

I

2

C Protocol ................................................................................................................339

6.14.2

I

2

C Serial Interface Control Registers Map.................................................................342

6.15

Universal Serial Interface............................................................................................ 349

6.15.1

USI Timing Diagram ...................................................................................................350

6.15.2

USI Registers Map .....................................................................................................351

6.16

PWM ........................................................................................................................... 358

6.16.1

PWM Double Buffering and Reload Automatically......................................................359

6.16.2

Modulate Duty Ratio ...................................................................................................359

6.16.3

Dead Zone Generator.................................................................................................360

6.16.4

PWM Timer Start Procedure ......................................................................................360

6.16.5

PWM Timer Stop Procedure.......................................................................................360

6.16.6

PWM Register Map ....................................................................................................361

6.17

Keypad Interface......................................................................................................... 371

6.17.1

Keypad Interface Register Map ..................................................................................372

6.17.2

Register Description ...................................................................................................373