DM9621ANP Datasheet, PDF (1/2 Pages) Davicom Semiconductor, Inc. – USB2.0 to 10/100M Fast Ethernet Controller

1. Features
z USB Interface
ƒ USB2.0 Device
ƒ Supports 480Mbps High-Speed
operation
ƒ Supports 12Mbps Full-Speed
operation
ƒ Supports suspend mode and remote
wake-up resume
ƒ Supports USB standard commands
ƒ Supports vendor specific commands
ƒ Supports 4 endpoints (Control,
Interrupt, Bulk_IN, Bulk_OUT)
z Ethernet
ƒ Support IEEE802.3u 100BASE-TX
and with IEEE802.3 10BASE-T
standards
ƒ Support IEEE802.3x flow control
function for 100BASE-TX and
10BASET.
ƒ Support IEEE802.3az Energy
Efficient Ethernet (EEE)
ƒ Built-in 10/100Mbps Fast-Ethernet
PHY
ƒ Support HP Auto-MDIX
ƒ Supports RMII interface
ƒ Supports Auto-negotiation function
ƒ Supports Power management:
Wake-on-LAN, Network Detach,
ARP/NDP Offload
ƒ Back Pressure Mode for half-duplex
mode flow Control
ƒ PAUSE frame for full-duplex flow
control
ƒ Supports wakeup frame, link status
change and Magic packet events for
remote wake-up
ƒ Embedded SRAM for RX /TX
packet buffering
ƒ Support IPv4 / TCP / UDP
checksum offload checking and
generating
z EEPROM Interface
DM9621ANP
USB2.0 to 10/100M Fast Ethernet Controller
ƒ Supports automatically load vendor
ID and Product ID from EEPROM
ƒ Supports 128/256/512 bytes
(93C46/93C56/93C66) of serial
EEPROM (for storing USB
Descriptors)
ƒ 93C46 / 93C66 auto-detection
z LED Indications
ƒ Ethernet – Link / Act indication
ƒ Ethernet – Speed (10M / 100M)
indication
ƒ Ethernet – Duplex (half / full)
indication
ƒ USB speed indication (full / high
speed + traffic modes)
z GPIO Pins
ƒ GPIO #1 – wake-up signal to CPU
ƒ GPIO #2 – Serial Debugging Port
interface (clock)
ƒ GPIO #3 – Serial Debugging Port
interface (data)
z Clock
ƒ Single 25MHz / 30 ppm crystal or
oscillator for Ethernet and 12MHz
for USB
z Power Input
ƒ Low-Power, Single-Supply 3.3V
ƒ Built in 3.3V to 1.8V regulator
z Miscellaneous
ƒ Very Low Power Consumption
mode
ƒ Power Reduced mode (cable
detection), and Power Down mode
ƒ Compatible with 2.5V, 3.3V and
5.0V tolerant I/O
ƒ Supports commercial and industrial
grade
z Package
ƒ DM9621ANP 48 pin QFN
Product Brief
www.davicom.com.tw
1
Version: 1.2
November 22, 2012