AT89C5131A-RDTIM datasheet(184/186 Pages) ATMEL

184 / 186 page

Table of Contents

iii

Features ............................................................................................................. 91

Signal Description .............................................................................................. 91

Functional Description ........................................................................................ 93

Two Wire Interface (TWI) .................................................................. 100

Description ........................................................................................................ 102

Notes ................................................................................................................ 105

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

USB Controller .................................................................................. 117

Description ....................................................................................................... 117

Configuration .................................................................................................... 120

Read/Write Data FIFO...................................................................................... 122

Bulk/Interrupt Transactions .............................................................................. 123

Control Transactions ........................................................................................ 127

Isochronous Transactions ................................................................................. 128

Miscellaneous.................................................................................................... 130

Suspend/Resume Management........................................................................ 131

Detach Simulation ............................................................................................. 134

USB Interrupt System....................................................................................... 134

USB Registers ................................................................................................... 137

Reset .................................................................................................. 149

Introduction....................................................................................................... 149

Reset Input ....................................................................................................... 149

Reset Output .................................................................................................... 150

Power Monitor ................................................................................... 151

Description ....................................................................................................... 151

Power Management .......................................................................... 153

Idle Mode.......................................................................................................... 153

Power-down Mode ........................................................................................... 153

Registers .......................................................................................................... 155

Hardware Watchdog Timer .............................................................. 156

Using the WDT ................................................................................................. 156

WDT During Power-down and Idle ................................................................... 157

Reduced EMI Mode ........................................................................... 158

Electrical Characteristics ................................................................. 159

AT89C5131A-RDTIM Datenblatt(PDF) 184 Page - ATMEL Corporation