DOCSIS Mainboard
AssemblyThe digital core: a DOCSIS 3.1 SoC demodulates OFDM and SC-QAM channels from the tuner samples, runs the MAC and security stack, and bridges the result to Ethernet, backed by DDR memory and flash. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for DOCSIS Mainboard
7 top-level lines as of r21109| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | DOCSIS SoC | cable-modem-docsis-soc | 1× | 1 | · | part |
| 3 | DDR Memory | cable-modem-ddr | 1× | 1 | · | part |
| 4 | Firmware Flash | cable-modem-flash | 1× | 1 | · | part |
| 5 | Crystal Oscillator | cable-modem-xtal | 1× | 1 | · | part |
| 6 | SoC Heatsink | cable-modem-heatsink | 1× | 1 | · | part |
| 7 | SMD Passive (R/C/L) | smd-passives | 220× | 220 | · | part |