W90N745CD/W90N745CDG
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 I2C Interface................................................................................................................ 338
6.14.1 I2C Protocol ................................................................................................................339
6.14.2 I2C 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
Publication Release Date: September 22, 2006
- III -
Revision A2
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