User's Manual

Table Of Contents
xii S3C2450X RISC MICROPROCESSOR
Table of Contents (Continued)
Chapter 17 USB 2.0 Function
1 Overview....................................................................................................................................................17-1
1.1 Feature.............................................................................................................................................17-1
2 Block Diagram ...........................................................................................................................................17-2
3 To Activate USB Port1 for USB 2.0 Function............................................................................................17-3
4 SIE (Serial Interface Engine).....................................................................................................................17-4
5 UPH (Universal Protocol Handler) ............................................................................................................17-4
6 UTMI (USB 2.0 Transceiver Macrocell Interface) .....................................................................................17-4
7 USB 2.0 Function Controller Special Registers ........................................................................................17-5
8 Registers ...................................................................................................................................................17-7
8.1 Index Register (IR)...........................................................................................................................17-7
8.2 Endpoint Interrupt Register (EIR) ....................................................................................................17-8
8.3 Endpoint Interrupt Enable Register (EIER)......................................................................................17-9
8.4 Function Address Register (FAR)....................................................................................................17-10
8.5 ENdpoint Direction Register (EDR) .................................................................................................17-11
8.6 Test Register (TR) ...........................................................................................................................17-12
8.7 System Status Register (SSR) ........................................................................................................17-13
8.8 System Control Register (SCR).......................................................................................................17-15
8.9 EP0 Status Register (EP0SR) .........................................................................................................17-16
8.10 EP0 Control Register (EP0CR)......................................................................................................17-17
8.11 Endpoint# Buffer Register (EP#BR) .............................................................................................17-18
8.12 Endpoint Status Register (ESR)
....................................................................................................
17-19
8.13 Endpoint Control Register (ECR) ..................................................................................................17-21
8.14 Byte read Count Register (BRCR).................................................................................................17-22
8.15 Byte Write Count Register (BWCR)...............................................................................................17-23
8.16 MAX Packet Register (MPR) .........................................................................................................17-24
8.17 DMA Control Register (DCR).........................................................................................................17-25
8.18 DMA Transfer Counter Register (DTCR).......................................................................................17-26
8.19 DMA FIFO Counter Register (DFCR)............................................................................................17-27
8.20 DMA Total Transfer Counter Register 1/2 (DTTCR 1/2) ...............................................................17-28
8.21 DMA Interface Control Register (DICR) ........................................................................................17-29
8.22 Memory Base Address Register (MBAR) ......................................................................................17-30
8.23 Memory Current Address Register (MCAR) ..................................................................................17-31
8.24 Burst FIFO Control Register(FCON) .............................................................................................17-31
8.25 Burst FIFO Status Register(FSTAT)..............................................................................................17-31
8.26 AHB Master(DMA) Operation Flow Chart......................................................................................17-32