diff options
| -rw-r--r-- | spi/spiflash/winbond_w25q80d/README | 36 | ||||
| -rw-r--r-- | spi/spiflash/winbond_w25q80d/ce_without_wren.sr | bin | 0 -> 491 bytes | |||
| -rw-r--r-- | spi/spiflash/winbond_w25q80d/chip_erase_and_writes.sr | bin | 0 -> 159544 bytes |
3 files changed, 36 insertions, 0 deletions
diff --git a/spi/spiflash/winbond_w25q80d/README b/spi/spiflash/winbond_w25q80d/README new file mode 100644 index 0000000..c17fa14 --- /dev/null +++ b/spi/spiflash/winbond_w25q80d/README @@ -0,0 +1,36 @@ +------------------------------------------------------------------------------- +Winbond W25Q80D +------------------------------------------------------------------------------- + +These are example captures of a Winbond W25Q80DV (8MBit == 1MByte) SPI +flash chip being driven by a Teensy 3.2. The SPI clock is at 500kHz. + +Details: +https://www.winbond.com/resource-files/w25q80dv_revg_07212015.pdf + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a DreamSourceLab DSLogic Plus (at 10MHz): + + Probe W25Q80DV pin + ------------------------ + 0 CS# + 1 CLK + 2 DI (MOSI) + 3 DO (MISO) + + +ce_and_writes.sr +---------------- + +Device ID and status query followed by chip erase, polling of the chip +status and then by few writes and verifying reads. + + +ce_without_wren.sr +------------------ + +Test file for write enable warnings, issues chip erase without first having +captured WREN command. diff --git a/spi/spiflash/winbond_w25q80d/ce_without_wren.sr b/spi/spiflash/winbond_w25q80d/ce_without_wren.sr Binary files differnew file mode 100644 index 0000000..27a8b87 --- /dev/null +++ b/spi/spiflash/winbond_w25q80d/ce_without_wren.sr diff --git a/spi/spiflash/winbond_w25q80d/chip_erase_and_writes.sr b/spi/spiflash/winbond_w25q80d/chip_erase_and_writes.sr Binary files differnew file mode 100644 index 0000000..d213cca --- /dev/null +++ b/spi/spiflash/winbond_w25q80d/chip_erase_and_writes.sr |