cx82100 Conexant Systems, Inc., cx82100 Datasheet - Page 10

• Manufacturer Part Number: cx82100
• Description: Home Network Processor Hnp
• Manufacturer: Conexant Systems, Inc.

Figures
x
Figure 1-1. CX82100 HNP Major System Interface ..........................................................................................................1-3
Figure 1-2. CX82100 HNP Typical System Interface – Residential Gateway Firewall plus Router Application ...................1-4
Figure 1-3. CX82100 HNP Typical System Interface – Ethernet/HomePNA 2.0 Bridge Application ...................................1-4
Figure 1-4. CX82100 HNP Block Diagram........................................................................................................................1-5
Figure 1-5. Example of a Residential Gateway Firewall plus Router Application .............................................................1-11
Figure 1-6. Example of a HomePNA 2.0 Bridge Application............................................................................................1-12
Figure 2-1. CX82100-11/-12/-51/-52 HNP Hardware Interface Signals ............................................................................2-2
Figure 2-2. CX82100-11/-12/-51/-52 HNP Pin Signals-196-Pin FPBGA ...........................................................................2-3
Figure 2-3. CX82100-41/-42 HNP Hardware Interface Signals .........................................................................................2-5
Figure 2-4. CX82100-41/-42 HNP Pin Signals-196-Pin FPBGA ........................................................................................2-6
Figure 2-5. External Memory Interface Timing ...............................................................................................................2-21
Figure 2-6. Package Dimensions – 196-Pin 15 mm x 15 mm FPBGA.............................................................................2-23
Figure 3-1. HNP Memory Map .........................................................................................................................................3-2
Figure 3-2. Little-Endian Mode Addressing ......................................................................................................................3-4
Figure 3-3. Boot Procedure..............................................................................................................................................3-5
Figure 4-1. Address Generation in Direct Circular Buffer Mode ........................................................................................4-6
Figure 4-2. Embedded Tail Linked List Descriptor Example............................................................................................4-10
Figure 4-3. Indirect/Table Linked List Descriptor Example 1 ..........................................................................................4-12
Figure 4-4. Indirect/Table Linked List Descriptor Example 2 ..........................................................................................4-13
Figure 5-1. Host Master Mode Signals.............................................................................................................................5-1
Figure 5-2. Little-Endian Mode Data Bus Mapping ...........................................................................................................5-2
Figure 5-3. Waveforms for Host Master Mode Read Operation (CX82100-11/-12/-51/-52)..............................................5-6
Figure 5-4. Waveforms for Host Master Mode Write Operation (CX82100-11/-12/-51/-52) .............................................5-7
Figure 5-5. Waveforms for Host Master Mode Read Operation (CX82100-41/-42) ........................................................5-10
Figure 5-6. Waveforms for Host Master Mode Write Operation (CX82100-41/-42) ........................................................5-11
Figure 6-1. SDRAM Interface...........................................................................................................................................6-1
Figure 6-2. EMC Clocking Interface..................................................................................................................................6-6
Figure 6-3. EMC I/O Timing .............................................................................................................................................6-6
Figure 7-1. MAC Sublayer Partition, Relationship to OSI Reference Model ......................................................................7-1
Figure 7-2. Ethernet MAC Frame Format..........................................................................................................................7-2
Figure 7-3. EMAC Functional Block Diagram....................................................................................................................7-6
Figure 7-4. MII Connector................................................................................................................................................7-7
Figure 7-5. EMAC Transmit Frame Structure .................................................................................................................7-10
Figure 7-6. TMAC DMA Operation for Channel {x} = 1 or 3.............................................................................................7-14
Figure 7-7. A Perfect Address Filtering Setup Frame Buffer ...........................................................................................7-17
Figure 7-8. A Circuit for Dividing by G(x).......................................................................................................................7-18
Figure 7-9. Imperfect Address Filtering..........................................................................................................................7-20
Figure 7-10. Example of Imperfect Filtering Setup Frame...............................................................................................7-21
Figure 7-11. Sequence of Receiver DMA Operation .......................................................................................................7-26
Figure 8-1. Block Diagram of the USB Interface...............................................................................................................8-2
Figure 8-2. USB Transmit Data Flow ................................................................................................................................8-3
Conexant Proprietary and Confidential Information
CX82100 Home Network Processor Data Sheet
101306C