參數(shù)資料
型號(hào)： DM9000A
廠商： Electronic Theatre Controls, Inc.
英文描述： Ethernet Controller with General Processor Interface
中文描述： 以太網(wǎng)控制器與通用處理器接口
文件頁數(shù)： 4/56頁
文件大小： 1744K
代理商： DM9000A
DM9000A
Ethernet Controller with General Processor Interface
Preliminary datasheet
Version: DM9000A-DS-P03
Apr. 21, 2005
4
7. EEPROM Format
…………………………………………………………….………..……..…………………25
8. PHY Register Description
……………………………………..………………………….……………………26
8.1 Basic Mode Control Register (BMCR) - 00…………………………………………….…….……………………27
8.2 Basic Mode Status Register (BMSR) - 01……………………………………………….…………………………28
8.3 PHY ID Identifier Register #1 (PHYIDR1) - 02…………………………………..………………….……………29
8.4 PHY ID Identifier Register #2 (PHYIDR2) - 03………………………………….………………….…….………30
8.5 Auto-negotiation Advertisement Register (ANAR) - 04………………………………..…………….……………31
8.6 Auto-negotiation Link Partner Ability Register (ANLPAR) - 05…………………………………….……………32
8.7 Auto-negotiation Expansion Register (ANER)- 06………………………………………..…………….…………33
8.8 DAVICOM Specified Configuration Register (DSCR) -16……………………………………….…….…………33
8.9 DAVICOM Specified Configuration and Status Register (DSCSR) -17 ……………………………….…………35
8.10 10Base-T Configuration / Status (10BTCSR) - 18………………………………………………….….…………36
8.11
Power Down Control Register (PWDOR) - 19…………………………………………….…………..…………37
8.12(Specified config) Register – 20…………………………………………………………………….…..…………37
9. Functional Description
……………………………………………………………………………..….………39
9.1 Host Interface…………………………………………………………………………………………..…...………39
9.2 Direct Memory Access Control ……………………………………………………….…………….….….………39
9.3 Packet Transmission…………………………………………………………………………………….….………39
9.4 Packet Reception……………………………………………………………………………..…………….………39
9.5 100Base-TX Operation………………………………………………………………………………….….………40
9.6 100Base-TX Receiver…………………………………………………………….…………………….…..………42
9.7 10Base-T Operation………………………………………………………………….……………….….…………43
9.8 Collision Detection…………………………………………………………………..…………………..…………43
9.9 Carrier Sense………………………………………………………………………………….………….…………43
9.10 Auto-Negotiation………………………………………………………………………………..…………………43
9.11 Power Reduced Mode……………………………………………………………………..………………………44
10. DC and AC Electrical Characteristics
………………………..…………………………….…….………45
10.1 Absolute Maximum Ratings(2
)…………………….……………………………………………….…………45
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