Main Microcontroller
AssemblyARM or MIPS processor running metering firmware, managing metering IC data, logging profiles, and handling communication protocol. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Main Microcontroller
5 top-level lines as of r158117| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | ARM Cortex-M4 Processor | smart-meter-mcu-core | 1× | 1 | · | part |
| 2 | NOR Flash Memory | smart-meter-nor-flash | 1× | 1 | · | part |
| 3 | SDRAM Buffer | smart-meter-sdram | 1× | 1 | · | part |
| 4 | RTC Module | smart-meter-rtc-module | 1× | 1 | · | part |
| 5 | Metering IC Interface | smart-meter-measurement-interface | 1× | 1 | · | part |