MCF5272 查看數據表（PDF） - Motorola => Freescale
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MCF5272 Datasheet PDF : 550 Pages
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CONTENTS
Paragraph
Number
Title
Page
Number
9.3
9.4
9.5
9.5.1
9.5.2
9.6
9.7
9.8
9.9
9.10
9.10.1
9.10.2
9.10.3
Interface to SDRAM Devices ............................................................................. 9-4
SDRAM Banks, Page Hits, and Page Misses ..................................................... 9-6
SDRAM Registers .............................................................................................. 9-6
SDRAM Configuration Register (SDCR) ...................................................... 9-6
SDRAM Timing Register (SDTR) ................................................................. 9-8
Auto Initialization ............................................................................................... 9-9
Power-Down and Self-Refresh ........................................................................... 9-9
Performance ...................................................................................................... 9-10
Solving Timing Issues with SDCR[INV] ......................................................... 9-13
SDRAM Interface ............................................................................................. 9-15
SDRAM Read Accesses ............................................................................... 9-16
SDRAM Write Accesses .............................................................................. 9-18
SDRAM Refresh Timing .............................................................................. 9-20
10.1
10.2
10.3
10.3.1
10.3.2
10.3.3
10.3.4
10.3.5
Chapter 10
DMA Controller
DMA Data Transfer Types ............................................................................... 10-1
DMA Address Modes ....................................................................................... 10-2
DMA Controller Registers................................................................................ 10-2
DMA Mode Register (DMR)........................................................................ 10-2
DMA Interrupt Register (DIR) ..................................................................... 10-4
DMA Source Address Register (DSAR) ...................................................... 10-5
DMA Destination Address Register (DDAR) .............................................. 10-6
DMA Byte Count Register (DBCR)............................................................. 10-6
11.1
11.1.1
11.2
11.3
11.4
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.4.6
11.4.7
11.4.8
Chapter 11
Ethernet Module
Overview........................................................................................................... 11-1
Features......................................................................................................... 11-1
Module Operation ............................................................................................. 11-2
Transceiver Connection .................................................................................... 11-3
FEC Frame Transmission ................................................................................. 11-4
FEC Frame Reception................................................................................... 11-5
CAM Interface .............................................................................................. 11-7
Ethernet Address Recognition ...................................................................... 11-7
Hash Table Algorithm .................................................................................. 11-8
Interpacket Gap Time ................................................................................... 11-9
Collision Handling........................................................................................ 11-9
Internal and External Loopback.................................................................... 11-9
Ethernet Error-Handling Procedure .............................................................. 11-9
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MCF5272 User’s Manual
MOTOROLA
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