Samsung S3C2500B User Manual page 13

Chapter 10USB Controller
10.1 Overview ........................................................................................................................................ 10-1
10.2 Features.......................................................................................................................................... 10-2
10.3 Function Descriptions...................................................................................................................... 10-3
10.3.1 USB Bus Topology and Physical Connection ....................................................................... 10-3
10.3.2 Frame Generation................................................................................................................ 10-3
10.3.3 Packet Formats.................................................................................................................... 10-4
10.3.4 Bit Stuffing and NRZI Coding............................................................................................... 10-5
10.3.5 Bulk Transactions ................................................................................................................ 10-5
10.3.6 Control Transactions ............................................................................................................ 10-6
10.3.7 Isochronous Transactions .................................................................................................... 10-6
10.3.8 Interrupt Transactions .......................................................................................................... 10-6
10.4 USB Block Descriptions .................................................................................................................. 10-7
10.4.1 USB Block Overview ........................................................................................................... 10-7
10.4.2 SIE (Serial Interface Engine) Block ...................................................................................... 10-7
10.5 USB Special Registers .................................................................................................................... 10-9
10.5.1 USB Function Address Register ........................................................................................... 10-10
10.5.2 USB Power Management Register....................................................................................... 10-12
10.5.3 USB Interrupt Register ......................................................................................................... 10-14
10.5.4 USB Interrupt Enable Register ............................................................................................. 10-17
10.5.5 USB Frame Number Register .............................................................................................. 10-19
10.5.6 USB Disconnect Timer Register........................................................................................... 10-20
10.5.7 USB Endpoint 0 Common Status Register ........................................................................... 10-22
10.5.8 USB Endpoint 1 Common Status Register ........................................................................... 10-25
10.5.9 USB Endpoint 2 Common Status Register ........................................................................... 10-30
10.5.10 USB Endpoint 3 Common Status Register ......................................................................... 10-35
10.5.11 USB Endpoint 4 Common Status Register ......................................................................... 10-40
10.5.12 USB Write Count for Endpoint 0 Register........................................................................... 10-45
10.5.13 USB Write Count for Endpoint 1 Register........................................................................... 10-47
10.5.14 USB Write Count for Endpoint 2 Register........................................................................... 10-49
10.5.15 USB Write Count for Endpoint 3 Register........................................................................... 10-51
10.5.16 USB Write Count for Endpoint 4 Register........................................................................... 10-53
10.5.17 USB Endpoint 0/1/2/3/4 FIFO Register............................................................................... 10-55
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Table of Contents
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S3C2500B RISC MICROCONTROLLER