projects / sigrok-dumps.git / blame
| Commit | Line | Data |
|---|---|---|
| 48d7d77a VPP |
1 | ------------------------------------------------------------------------------- |
| 2 | Winbond W25Q80D | |
| 3 | ------------------------------------------------------------------------------- | |
| 4 | ||
| 5 | These are example captures of a Winbond W25Q80DV (8MBit == 1MByte) SPI | |
| 6 | flash chip being driven by a Teensy 3.2. The SPI clock is at 500kHz. | |
| 7 | ||
| 8 | Details: | |
| 9 | https://www.winbond.com/resource-files/w25q80dv_revg_07212015.pdf | |
| 10 | ||
| 11 | ||
| 12 | Logic analyzer setup | |
| 13 | -------------------- | |
| 14 | ||
| 15 | The logic analyzer used was a DreamSourceLab DSLogic Plus (at 10MHz): | |
| 16 | ||
| 17 | Probe W25Q80DV pin | |
| 18 | ------------------------ | |
| 19 | 0 CS# | |
| 20 | 1 CLK | |
| 21 | 2 DI (MOSI) | |
| 22 | 3 DO (MISO) | |
| 23 | ||
| 24 | ||
| 25 | ce_and_writes.sr | |
| 26 | ---------------- | |
| 27 | ||
| 28 | Device ID and status query followed by chip erase, polling of the chip | |
| 29 | status and then by few writes and verifying reads. | |
| 30 | ||
| 31 | ||
| 32 | ce_without_wren.sr | |
| 33 | ------------------ | |
| 34 | ||
| 35 | Test file for write enable warnings, issues chip erase without first having | |
| 36 | captured WREN command. |