DM9620I DAVICOM [Davicom Semiconductor, Inc.], DM9620I Datasheet

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DM9620I

Manufacturer Part Number
DM9620I
Description
Industrial-temperature USB2.0 to 10/100M Fast Ethernet Controller
Manufacturer
DAVICOM [Davicom Semiconductor, Inc.]
Datasheet
1. Features
Product Brief
Version: 1.0
February 2, 2010
USB Interface
Ethernet
EEPROM Interface
USB2.0 Device
Supports 480Mbps High-Speed
operation
Supports 12Mbps Full-Speed
operation
Supports suspend mode and remote
wake-up resume
Supports USB standard commands
Supports vendor specific commands
Supports 4 endpoints (Control,
Interrupt, Bulk_IN, Bulk_OUT)
Support IEEE802.3u 100BASE-TX
and with IEEE802.3 10BASE-T
standards
Support IEEE802.3x flow control
function for 100BASE-TX and
10BASET.
Built-in 10/100Mbps Fast-Ethernet
PHY
Support HP Auto-MDIX
Supports MII, RMII and Reverse MII
interface
Supports Auto-negotiation function
Back Pressure Mode for half-duplex
mode flow Control
PAUSE frame for full-duplex flow
control
Supports wakeup frame, link status
change and Magic packet events for
remote wake-up
Embedded 13KB SRAM for RX
packet buffering and 3KB SRAM for
TX
Support TCP / UDP / IP checksum
offload checking and generating
Supports automatically load vendor
ID and Product ID from EEPROM
Supports 128/256/512 bytes
Industrial-temperature USB2.0 to 10/100M Fast Ethernet Controller
www.davicom.com.tw
LED Indications
GPIO Pins
Clock
Power Input
Miscellaneous
Package
(93C46/93C56/93C66) of serial
EEPROM (for storing USB
Descriptors)
93C46 / 93C66 auto-detection
Ethernet – Link / Act indication
Ethernet – Speed (10M / 100M)
indication
Ethernet – Duplex (half / full)
indication
USB speed indication (full / high
speed + traffic modes)
GPIO #1 – wake-up signal to CPU
GPIO #2 – Serial Debugging Port
interface (clock)
GPIO #3 – Serial Debugging Port
interface (data)
Single 25MHz / 30 ppm crystal or
oscillator for Ethernet and 12MHz
for USB
Low-Power, Single-Supply 3.3V
Built in 3.3V to 1.8V regulator
Support industrial-temperature
Very Low Power Consumption
mode
Power Reduced mode (cable
detection), and Power Down mode
Compatible with 2.5V, 3.3V and
5.0V tolerant I/O
Supports commercial and industrial
grade
64 pin LQFP (with MII/RMII I/F)
(-40 C ~ +85 C)
DM9620I
1

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DM9620I Summary of contents

Page 1

... Industrial-temperature USB2.0 to 10/100M Fast Ethernet Controller LED Indications GPIO Pins Clock Power Input Miscellaneous Package www.davicom.com.tw DM9620I (93C46/93C56/93C66) of serial EEPROM (for storing USB Descriptors) 93C46 / 93C66 auto-detection Ethernet – Link / Act indication Ethernet – Speed (10M / 100M) indication Ethernet – Duplex (half / full) ...

Page 2

... General Description The DM9620I USB2.0 to industrial-temperature 10/100Mbps Fast Ethernet controller with 0.18um CMOS technology is a high performance and highly integrated ASIC with embedded 13KB SRAM for packet buffering. It enables low cost and affordable Fast Ethernet network connection to desktop, notebook PC, and embedded system using popular USB ports ...

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