1 DM9000A & 9010 10/ 100 Mbps Single Chip Ethernet Controller with General Processor Interface By: Charles Tsai DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
2 Application 1. Embedded System 1. Embedded System 2. Media Converter 2. Media Converter 3. Digital Home 3. Digital Home DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
3 Embedded System Embedded System DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
4 Media Converter Media Converter DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
5 Digital Home Digital Home DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
6 Application List � You can use DM9000A/9010 � to design a Embedded System to design a Media Converter � � to build in Digital Home DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
7 Easy Use RX + /- RX+/- to RJ45 TX + /- TX+/- to RJ45 Auto MDIX automatic detect cable connection type MDI/MDIX (straight through/cross over) DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
8 High Performance 100 MHz (DM9000A/9010) 48 MHz (DM9000) DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
9 Enhance Internet Performance IP/TCP/UDP checksum generation and checking DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
10 High flexible Up to 23 GPIO pins DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
11 Compact Layout Small Package for compact Embedded System Design. DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
12 Improve Transmit Throughput RISC DM9000A / 9010 CPU Early Tx: Transmit before write transmit data end. DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
13 Single Voltage 3.3V to 2.5V 3.3V DM9000A / 9010 Regulator Single Voltage Easy to design in Embedded System DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
14 DM9000, 9000A & 9010 Comparison List Feature DM9000 DM9000A DM9010 Pin count 100 pin LQFP 48 pinLQFP 100 pin LQFP Process 0.35um 0.25um 0.25um Integrated 10/100M transceiver with auto-MDIX 10/100M with auto-MDIX 10/100M Yes transceiver transceiver IP/TCP/UDP checksum generation and checking generation and checking No System clock 48 MHz 20 / 50 /100 MHz Up to 100 MHz Processor interface Byte/word/Dword Byte/word Byte/word/Dword MII and reverses MII interface Yes No Yes Supports early Tx No Supports early Tx Supports early Tx GPIO pins Supports 4 GPIO pins Supports 6 GPIO pins Supports up to 23 GPIO pins Regulator Build in 3.3V to 2.5V regulator Build in 3.3V to 2.5V regulator none Selectable TX drivers for 1:1 or 1: 1 transformers only when Auto 1: 1 transformers only when Auto Yes 1.25:1 transformers for MDIX Enable MDIX Enable additional power reduction DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
15 Features ■ Integrated 10/100M transceiver with auto-MDIX ■ System clock up to 100 MHz ■ IP/TCP/UDP checksum generation and checking ■ Up to 23 GPIO pins ■ MII and reverses MII interface ■ Supports early Tx ■ Build in 3.3V to 2.5V regulator ■ Processor interface: Byte/word/Dword of I/O command to internal memory data operation DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
16 Features ■ Supports back pressure mode for half-duplex mode flow control ■ IEEE802.3x flow control for full-duplex mode ■ Supports wakeup frame, link status change and magic packet events for remote wake up ■ Integrated 4K Dword SRAM ■ Supports automatically load vendor ID and product ID from EEPROM ■ Optional EEPROM configuration ■ Very low power consumption mode: Power reduced mode (cable detection) Power down mode Selectable TX drivers for 1:1 or 1.25:1 transformers ■ Compatible with 3.3V and 5.0V tolerant I/O DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
17 Architecture DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
18 Advantage � Good Performance � Good Noise Inhibition � Low Power Consumption � Small Package Size � Fully support design-in customers � Offer competitive price. DAVICOM NCD Confidential DAVICOM NCD Confidential 2004/8/9
More recommend
