DM9000BI
Industrial-grade Ethernet Controller with General Processor Interface
Content
1. General Description........................................................................................................... 6
2. Block Diagram.................................................................................................................... 6
3. Features.............................................................................................................................. 7
4. Pin Configuration............................................................................................................... 8
4.1 (16-bit mode) ................................................................................................................................................. 8
4.2 (8-bit mode) ................................................................................................................................................... 9
5. Pin Description ................................................................................................................ 10
5.1 Processor Interface ..................................................................................................................................... 10
5.1.1 8-bit mode pins......................................................................................................................................... 10
5.2 EEPROM Interface...................................................................................................................................... 11
5.3 Clock Interface ............................................................................................................................................ 11
5.4 LED Interface .............................................................................................................................................. 11
5.5 10/100 PHY/Fiber........................................................................................................................................ 11
5.6 Miscellaneous.............................................................................................................................................. 12
5.7 Power Pins .................................................................................................................................................. 12
5.8 strap pins table ............................................................................................................................................ 12
6. Vendor Control and Status Register Set........................................................................ 13
6.1 Network Control Register (00H) .................................................................................................................. 14
6.2 Network Status Register (01H).................................................................................................................... 15
6.3 TX Control Register (02H)........................................................................................................................... 15
6.4 TX Status Register I ( 03H ) for packet index I............................................................................................ 15
6.5 TX Status Register II ( 04H ) for packet index I I......................................................................................... 16
6.6 RX Control Register ( 05H ) ........................................................................................................................ 16
6.7 RX Status Register ( 06H ).......................................................................................................................... 16
6.8 Receive Overflow Counter Register ( 07H )................................................................................................ 17
6.9 Back Pressure Threshold Register (08H) ................................................................................................... 17
6.10 Flow Control Threshold Register ( 09H ) .................................................................................................. 17
6.11 RX/TX Flow Control Register ( 0AH )........................................................................................................ 18
6.12 EEPROM & PHY Control Register ( 0BH ) ............................................................................................... 18
6.13 EEPROM & PHY Address Register ( 0CH ).............................................................................................. 18
6.14 EEPROM & PHY Data Register (EE_PHY_L:0DH
Preliminary
Version: DM9000BI-13-DS-P02
January 17, 2008
EE_PHY_H:0EH) ................................................. 18
2
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
