Eval » Historie » Version 3
Maximilian Seesslen, 30.03.2022 18:05
| 1 | 1 | Maximilian Seesslen | h1. Eval |
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| 3 | h2. Hardware |
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| 5 | Display: WSH-12561; 37,32x31,8; 200x200Pixel; eval board funktioniert |
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| 6 | Akku: 31063 (Garmin Fenix 3) 300mAh; 300 mAh; 31,6 x 24,8 x 4,3 |
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| 8 | h2. MCU |
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| 10 | Pixel-data is 5KB ((200*200)/8); need bigger MCU; but the STM32L433CCU6 i have is too much |
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| 12 | STM32L433CCU6: Too much |
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| 13 | STM32L151C6U6A waers eigentlich. USB, 128KB Flash, 32KB SRAM, EEPROM 32KB Flash, 10KB RAM, hat USB |
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| 14 | STM32L051C8T6; no USB |
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| 15 | STM32L053C8T6 |
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| 16 | 2 | Maximilian Seesslen | |
| 17 | h2. Power |
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| 19 | Lade-Chip: https://www.mouser.de/datasheet/2/268/MCP73871_Data_Sheet_DS20002090F-2932254.pdf |
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| 20 | VCI wants 3V3. VDDIO may be less but is not specified. Reference schematics connects VDDIO directly to VCI. |
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| 21 | Start with 3V3. |
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| 22 | 3 | Maximilian Seesslen | |
| 23 | "ad_mcp73871" is getting manufactured. Lets see how it behaves on V_OUT. |