78Q8430-100CGTR/F Maxim Integrated Products, 78Q8430-100CGTR/F Datasheet - Page 2

• Manufacturer Part Number: 78Q8430-100CGTR/F
• Description: Telecom ICs 10/100MAC+PHY MULTI MEDIA OFFLOAD CNTRLR
• Manufacturer: Maxim Integrated Products

78Q8430 Data Sheet
1
2
3
4
5
6
2
Introduction ......................................................................................................................................... 7
1.1
1.2
1.3
1.4
1.5
1.6
Pinout ................................................................................................................................................. 11
Pin Description .................................................................................................................................. 12
3.1
3.2
Electrical Specification ..................................................................................................................... 18
4.1
4.2
4.3
4.4
4.5
Host Interface Timing Specification ................................................................................................ 22
5.1
Functional Description ..................................................................................................................... 25
6.1
6.2
6.3
6.4
6.5
Systems Applications ................................................................................................................... 7
System Level Application Information .......................................................................................... 8
Overview ...................................................................................................................................... 9
Application Environments .......................................................................................................... 10
Supply Voltages ......................................................................................................................... 10
Power Management ................................................................................................................... 10
Pin Legend ................................................................................................................................. 12
Pin Descriptions ......................................................................................................................... 12
Absolute Maximum Ratings ....................................................................................................... 18
Recommended Operation Conditions ........................................................................................ 18
DC Characteristics ..................................................................................................................... 18
Digital I/O Characteristics .......................................................................................................... 19
Analog Electrical Characteristics ............................................................................................... 19
Host Interface ............................................................................................................................. 22
Internal Block Diagrams ............................................................................................................. 25
Data Queuing ............................................................................................................................. 26
Host Interface ............................................................................................................................. 27
Snoop Mode Access .................................................................................................................. 29
Water Marking ............................................................................................................................ 30
1.2.1 Set Top Box Application .................................................................................................. 8
1.2.2 IP Security Application ..................................................................................................... 8
1.2.3 IP PBX Application ........................................................................................................... 9
3.2.1 Clock Pins ...................................................................................................................... 12
3.2.2 Media Dependent Interface (MDI) Pins ......................................................................... 13
3.2.3 LED Display (PHY) Pins ................................................................................................ 13
3.2.4 EEPROM Pins ............................................................................................................... 13
3.2.5 GBI Data Pins ................................................................................................................ 14
3.2.6 GBI Address Pins .......................................................................................................... 15
3.2.7 GBI Control Pins ............................................................................................................ 15
3.2.8 Mode Pins ...................................................................................................................... 16
3.2.9 JTAG Pins ...................................................................................................................... 16
3.2.10 Power Pins ..................................................................................................................... 17
4.5.1 100Base-TX Transmitter ................................................................................................ 19
4.5.2 100Base-TX Transmitter (Informative) .......................................................................... 19
4.5.3 100Base-TX Receiver .................................................................................................... 20
4.5.4 10Base-T Transmitter .................................................................................................... 20
4.5.5 10Base-T Transmitter (Informative) ............................................................................... 20
4.5.6 10Base-T Receiver ........................................................................................................ 21
5.1.1 Synchronous Mode Timing ............................................................................................ 23
5.1.2 Bus Clock Timing ........................................................................................................... 24
5.1.3 Reset Timing .................................................................................................................. 24
6.1.1 Internal Digital Block ...................................................................................................... 25
6.1.2 Internal PHY ................................................................................................................... 25
6.3.1 Reading Receive Data ................................................................................................... 27
6.3.2 Writing Transmit Data .................................................................................................... 27
6.3.3 DMA Slave Mode Access .............................................................................................. 29
6.5.1 Interrupt Watermark ....................................................................................................... 30
Teridian Proprietary and Confidential
Table of Contents
DS_8430_001
Rev. 1.2