AT89C5122D-RDRUM datasheet(206/208 Pages) ATMEL

206 / 208 page

206

4202F–SCR–07/2008

AT83R5122, AT8xC5122/23

Definitions ........................................................................................................... 63

Functional Description ........................................................................................ 65

Additional Features............................................................................................. 72

Alternate Card..................................................................................................... 76

Registers .............................................................................................................76

DC/DC Converter................................................................................................ 86

USB Controller .................................................................................... 93

Description.......................................................................................................... 94

Configuration ...................................................................................................... 97

Read/Write Data FIFO ...................................................................................... 100

Bulk / Interrupt Transactions............................................................................. 101

Control Transactions......................................................................................... 105

Isochronous Transactions................................................................................. 106

Miscellaneous ................................................................................................... 108

Suspend/Resume Management .......................................................................109

Detach Simulation............................................................................................. 112

USB Interrupt System ....................................................................................... 113

Registers........................................................................................................... 115

Serial I/O Port .................................................................................... 124

Framing Error Detection ................................................................................... 124

Automatic Address Recognition........................................................................ 125

Asynchronous Modes (Modes 1, 2 and 3) ........................................................ 129

Modes 2 and 3 .................................................................................................. 130

Registers........................................................................................................... 133

Serial Port Interface (SPI) ................................................................ 135

Features............................................................................................................ 135

Signal Description............................................................................................. 135

Functional Description ...................................................................................... 137

Timers/Counters ............................................................................... 145

Timer/Counter Operations ................................................................................ 145

Timer 0.............................................................................................................. 145

Timer 1.............................................................................................................. 148

Registers........................................................................................................... 150

Keyboard Interface ........................................................................... 153

Introduction ....................................................................................................... 153

Description........................................................................................................ 153

Registers........................................................................................................... 154

Interrupt System ............................................................................... 157

Introduction ....................................................................................................... 157

Interrupt System Description ............................................................................ 157

AT89C5122D-RDRUM 数据表(PDF) 206 Page - ATMEL Corporation

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