DM9000B(2012) 데이터 시트보기 (PDF) - Davicom Semiconductor, Inc.
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DM9000B Datasheet PDF : 63 Pages
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DM9000B
Ethernet Controller with General Processor Interface
9.11.1 Power down Mode ............................................................................................................................. 50
9.11.2 Reduced Transmit Power Mode......................................................................................................... 50
10. DC and AC Electrical Characteristics .......................................................................... 51
10.1 Absolute Maximum Ratings ( 25°C ) ......................................................................................................... 51
10.1.1 Operating Conditions ......................................................................................................................... 51
10.2 DC Electrical Characteristics (VDD = 3.3V).............................................................................................. 51
10.3 AC Electrical Characteristics & Timing Waveforms .................................................................................. 52
10.3.1 TP Interface ....................................................................................................................................... 52
10.3.2 Oscillator/Crystal Timing .................................................................................................................... 52
10.3.3 Power On Reset Timing..................................................................................................................... 52
10.3.4 Processor I/O Read Timing................................................................................................................ 53
10.3.5 Processor I/O Write Timing................................................................................................................ 54
10.3.6 EEPROM Interface Timing................................................................................................................. 55
11. Application Notes........................................................................................................... 56
11.1 Network Interface Signal Routing.............................................................................................................. 56
11.2 10Base-T/100Base-TX Auto MDIX Application ......................................................................................... 56
11.3 10Base-T/100Base-TX ( Non Auto MDIX Transformer Application ) ........................................................ 57
11.4 Power Decoupling Capacitors ................................................................................................................... 58
11.5 Ground Plane Layout ................................................................................................................................ 59
11.6 Power Plane Partitioning ........................................................................................................................... 60
11.7 Magnetic Selection Guide ......................................................................................................................... 61
11.8 Crystal Selection Guide ............................................................................................................................. 61
12. Package Information ..................................................................................................... 62
13. Ordering Information..................................................................................................... 63
Final
5
Version: DM9000B-13-DS-F03
March 5, 2012
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