| ??? 07/06/09 16:18 Read: times |
#166804 - hw revisions Responding to: ???'s previous message |
I try to make the hardware capable of informing the microprocessor about the current hardware revision.
That can allow a firmware to auto-detect and use alternative routines in case a hardware revision has swapped pins, changed measurement ranges etc. The PCB revision in written in one of the layers. A label is put on the board, with a serial number, production week and hw revision. The hw revision on the label or the a lookup of the serial number in a production database can then be used to point at the correct Bill of Materials (BOM). In some situations, the serial number is either written into a EEPROM or maybe computed from the MAC address or the IMEI number of an attached GSM module. |
| Topic | Author | Date |
| Damage control! | 01/01/70 00:00 | |
| MAX1452 | 01/01/70 00:00 | |
| My Method is... | 01/01/70 00:00 | |
| Learn from software development? | 01/01/70 00:00 | |
| hw revisions | 01/01/70 00:00 | |
| Accounting | 01/01/70 00:00 | |
| I wonder ... | 01/01/70 00:00 | |
| Probably Measured.. | 01/01/70 00:00 | |
| look at it as an engineering problem... | 01/01/70 00:00 | |
| Why estimate? | 01/01/70 00:00 | |
| Project planner | 01/01/70 00:00 | |
| MS Project | 01/01/70 00:00 | |
Communication IS key!! | 01/01/70 00:00 |