DM9000A 데이터 시트보기 (PDF) - Davicom Semiconductor, Inc.

부품명

상세내역

일치하는 목록

DM9000A

Ethernet Controller with General Processor Interface

Davicom Semiconductor, Inc. 

DM9000A

Ethernet Controller with General Processor Interface

8.1 Basic Mode Control Register (BMCR) - 00 ................................................................................................................. 30

8.2 Basic Mode Status Register (BMSR) - 01..................................................................................................................... 31

8.3 PHY ID Identifier Register #1 (PHYID1) - 02 ............................................................................................................. 33

8.4 PHY ID Identifier Register #2 (PHYID2) - 03 ............................................................................................................. 33

8.5 Auto-negotiation Advertisement Register (ANAR) - 04................................................................................................ 34

8.6 Auto-negotiation Link Partner Ability Register (ANLPAR) – 05.................................................................................. 35

8.7 Auto-negotiation Expansion Register (ANER)- 06....................................................................................................... 36

8.8 DAVICOM Specified Configuration Register (DSCR) - 16 ......................................................................................... 36

8.9 DAVICOM Specified Configuration and Status Register (DSCSR) - 17 ...................................................................... 38

8.10 10BASE-T Configuration/Status (10BTCSR) - 18...................................................................................................... 39

8.11 Power Down Control Register (PWDOR) - 19 .......................................................................................................... 40

8.12 (Specified config) Register – 20 ................................................................................................................................. 40

9. Functional Description ..................................................................................................................................................... 42

9.1 Host Interface .............................................................................................................................................................. 42

9.2 Direct Memory Access Control .................................................................................................................................... 42

9.3 Packet Transmission .................................................................................................................................................... 42

9.4 Packet Reception.......................................................................................................................................................... 42

9.5 100Base-TX Operation ................................................................................................................................................ 43

9.5.1 4B5B Encoder ...................................................................................................................................................... 43

9.5.2 Scrambler ............................................................................................................................................................. 43

9.5.3 Parallel to Serial Converter .................................................................................................................................. 43

9.5.4 NRZ to NRZI Encoder ......................................................................................................................................... 43

9.5.5 MLT-3 Converter.................................................................................................................................................. 43

9.5.6 MLT-3 Driver ....................................................................................................................................................... 43

9.5.7 4B5B Code Group................................................................................................................................................ 44

9.6 100Base-TX Receiver................................................................................................................................................... 45

9.6.1 Signal Detect ........................................................................................................................................................ 45

9.6.2 Adaptive Equalization .......................................................................................................................................... 45

9.6.3 MLT-3 to NRZI Decoder...................................................................................................................................... 45

9.6.4 Clock Recovery Module ...................................................................................................................................... 45

9.6.5 NRZI to NRZ ....................................................................................................................................................... 45

9.6.6 Serial to Parallel ................................................................................................................................................... 45

9.6.7 Descrambler ......................................................................................................................................................... 45

9.6.8 Code Group Alignment ........................................................................................................................................ 46

9.6.9 4B5B Decoder...................................................................................................................................................... 46

9.7 10Base-T Operation..................................................................................................................................................... 46

9.8 Collision Detection ...................................................................................................................................................... 46

9.9 Carrier Sense ............................................................................................................................................................... 46

9.10 Auto-Negotiation........................................................................................................................................................ 46

9.11 Power Reduced Mode ................................................................................................................................................ 47

9.11.1 Power Down Mode............................................................................................................................................. 47

Final

4

Version: DM9000A-17-DS-F01

May 10, 2006

Share Link: