See below on how to send the commands in Quad (x4) SSPI mode in comparison to Standard(x1) SSPI mode
1.)
See below comparison on how the commands are sent using Standard Slave SPI vs. Quad Slave SPI.
In this example, the LSC_REFRESH (0x79) command was used.
* In Standard Slave SPI, the commands are sent by MSB first ([MSB:LSB] = [7:0]). The MSB Bit[7] is shifted in first.
* In Quad Slave SPI, the user may refer to the below illustration.
2.)
See below comparison when on how the bitstream is sent using Standard Slave SPI vs. Quad Slave SPI.
The first data in the bitstream file is 4C = Bit [7:0], the standard protocol in sending the bitstream is still MSB Bit[7] first.
