1 This is an example capture of a Macronix MX25L1605D (MX25L1605DPI-12G)
2 SPI flash chip (16MBit == 2Mbyte; NOR flash) that is being written to.
4 The SPI programmer hardware used is openbiosprog-spi, see
6 http://randomprojects.org/wiki/Openbiosprog-spi
8 The software used for programming it is flashrom, see
10 http://flashrom.org/FT2232SPI_Programmer
12 The command line used was
14 flashrom -p ft2232_spi:type=2232H,port=A -w filename
16 where 'filename' is a 2MByte file filled with lots of consecutive "HelloWorld"
17 ASCII character strings.
19 The logic analyzer used for capturing is a Saleae Logic at a sample rate
20 of 2MHz. The capture was done using sigrok (02/2011) via
22 sigrok-cli -d 0:samplerate=2MHz --time 5s -o foo
24 The Saleae Logic probes were connected like this to the MX25L1605D chip:
27 ------------------------
29 2 (brown) SO/SIO1 (a.k.a MISO)
31 4 (orange) SI/SIO0 (a.k.a MOSI)
36 The capture is only partial, it contains 5 seconds of the write process
37 (it does not contain the chip identification, chip erase, etc. which comes
38 before the actual write parts; it also does not contain anything after those
39 5 seconds, the flashrom command took quite a bit longer than 5 seconds).