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DM9621 Datasheet Preview

DM9621 Datasheet

USB2.0 to 10/100M Fast Ethernet Controller

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DM9621
USB2.0 to Fast Ethernet Controller
DAVICOM Semiconductor, Inc.
DM9621
USB2.0 to 10/100M Fast Ethernet Controller
DATA SHEET
Preliminary
Version: DM9621 -14-DS-P02
February 23, 2011
Version: DM9621-DS-P02
February 23, 2011
1




DAVICOM

DM9621 Datasheet Preview

DM9621 Datasheet

USB2.0 to 10/100M Fast Ethernet Controller

No Preview Available !

DM9621
USB2.0 to Fast Ethernet Controller
CONTENT
1. Features: ............................................................................................................................. 6
1.1 System Description..................................................................................................... 7
2. Block Diagram and Block Description.................................................................................. 8
3. Pin Configuration: ................................................................................................................ 9
3.1 48- Pin QFN................................................................................................................ 9
3.2 48-pin description ..................................................................................................... 10
3.3 strap pins table ......................................................................................................... 12
4. Vendor Control and Status Register Set............................................................................ 13
4.1 Network Control Register (00H)................................................................................ 14
4.2 Network Status Register (01H) ................................................................................. 15
4.3 TX Control Register (02H) ........................................................................................ 16
4.4 RX Control Register ( 05H )...................................................................................... 16
4.5 RX Status Register ( 06H ) ....................................................................................... 17
4.6 Receive Overflow Counter Register ( 07H ).............................................................. 17
4.7 Back Pressure Threshold Register (08H) ................................................................. 18
4.8 Flow Control Threshold Register ( 09H ) .................................................................. 18
4.9 RX/TX Flow Control Register ( 0AH ) ....................................................................... 19
4.10 EEPROM & PHY Control Register ( 0BH ) ............................................................. 19
4.11 EEPROM & PHY Address Register ( 0CH ) ........................................................... 20
4.12 EEPROM & PHY Data Register ( EE_PHY_L0DH EE_PHY_H0EH ).... 20
4.13 Wake Up Control Register ( 0FH ) .......................................................................... 20
4.14 Physical Address Register ( 10H~15H ) ................................................................. 20
4.15 Multicast Address Register ( 16H~1DH )................................................................ 21
4.16 General purpose control Register ( 1EH ) ............................................................ 21
4.17 General purpose Register ( 1FH ) .......................................................................... 21
4.18 Vendor ID Register (28H~29H)............................................................................... 21
4.19 Product ID Register (2AH~2BH) ............................................................................. 21
4.20 Chip Revision Register (2CH)................................................................................. 21
4.21 TX Special Control Register (2DH) ......................................................................... 22
4.22 External PHY Force Mode Control Register (2EH)................................................. 22
4.23 Transmit Check Sum Control Register (31H) ......................................................... 22
4.24 Receive Check Sum Control Status Register (32H) ............................................... 23
4.25 External PHYceiver Address Register (33H) .......................................................... 23
Preliminary
Version: DM9621 -14-DS-P02
February 23, 2011
2


Part Number DM9621
Description USB2.0 to 10/100M Fast Ethernet Controller
Maker DAVICOM
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