Rainbow-electronics W90P710CDG Manual do Utilizador descarregar pdf (Página 3)

W90P710CD/W90P710CDG

Publication Release Date: September 19, 2006

- 3 - Revision B2

Table of Contents-

1. GENERAL DESCRIPTION ......................................................................................................... 6

2. FEATURES ................................................................................................................................. 6

3. PIN DIAGRAM .......................................................................................................................... 13

4. PIN ASSIGNMENT ................................................................................................................... 14

5. PIN DESCRIPTION................................................................................................................... 20

6. FUNCTIONAL DESCRIPTION ................................................................................................. 33

6.1 ARM7TDMI CPU CORE ............................................................................................... 33

6.2 System Manager........................................................................................................... 34

6.2.1 Overview ......................................................................................................................34

6.2.2 System Memory Map....................................................................................................34

6.2.3 Address Bus Generation ..............................................................................................37

6.2.4 Data Bus Connection with External Memory ................................................................37

6.2.5 Bus Arbitration..............................................................................................................46

6.2.6 Power management .....................................................................................................47

6.2.7 Power-On Setting .........................................................................................................49

6.2.8 System Manager Control Registers Map......................................................................50

6.3 External Bus Interface .................................................................................................. 64

6.3.1 EBI Overview................................................................................................................64

6.3.2 SDRAM Controller ........................................................................................................64

6.3.3 EBI Control Registers Map ...........................................................................................68

6.4 Cache Controller........................................................................................................... 86

6.4.1 On-Chip RAM ...............................................................................................................86

6.4.2 Non-Cacheable Area ....................................................................................................86

6.4.3 Instruction Cache..........................................................................................................87

6.4.4 Data Cache ..................................................................................................................89

6.4.5 Write Buffer ..................................................................................................................91

6.4.6 Cache Control Registers Map.......................................................................................91

6.5 Ethernet MAC Controller............................................................................................... 97

6.5.1 EMC Functional Description .........................................................................................98

6.5.2 EMC Register Mapping ..............................................................................................108

6.6 GDMA Controller ........................................................................................................ 161

6.6.1 GDMA Functional Description ....................................................................................161

6.6.2 GDMA Register Map ..................................................................................................162

6.7 USB Host Controller ................................................................................................... 171

6.7.1 USB Host Functional Description ...............................................................................171

6.7.2 USB Host Controller Registers Map ...........................................................................172

6.7.3 HCCA .........................................................................................................................194

6.7.4 Endpoint Descriptor ....................................................................................................194

6.7.5 Transfer Descriptor.....................................................................................................194

6.8 USB Device Controller................................................................................................ 194

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