Wiki » Historie » Version 5
Maximilian Seesslen, 04.09.2024 18:52
| 1 | 1 | Maximilian Seesslen | h1. Wiki |
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| 3 | There are some issues that can only be tested via power resets. |
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| 5 | * SPI has an issue that it needs retries |
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| 6 | * Looks like configuration I2C EEPROM gets reset to defaults |
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| 7 | 3 | Maximilian Seesslen | * RTC-offline-test (Wie lange haelt die RTC Batterie) |
| 8 | 1 | Maximilian Seesslen | |
| 9 | 3 | Maximilian Seesslen | The device has an CANBus in and an CANBus out. The testsoftware is on the DUT. The DUT sends the command to toggle power line to Awaria via CAN. |
| 10 | The switch-off time has to be an parameter. The RTC-Tests will be complex, the Awaria software shall be simple and generic. |
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| 11 | 2 | Maximilian Seesslen | |
| 12 | An data multiplexer can be used along with a mosfet for power line. |
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| 14 | h1. Parts |
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| 16 | * MCU: The smallest thing |
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| 17 | 1 | Maximilian Seesslen | * Multiplexer: |
| 18 | 3 | Maximilian Seesslen | ** MC14551BDG bis zu 1K RON: 1050 |
| 19 | ** TS5A23166DCUR cool, 2 channels, up to 100mA, 1,8-6,5V |
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| 20 | 5 | Maximilian Seesslen | * Big EEPROM, device can store test info from DUT |
| 21 | 4 | Maximilian Seesslen | |
| 22 | Spannungs/Strom zu umstaendlich. |