6. Spi_4_line

6.1. Function description:

This demo is used to test QSPI transport data in spi 4 line mode.

6.2. Test result:

If the data of QSPIn received is equal to QSPIm transmitted, print pass, if not print fail.

6.3. IO connection:

PAD	PAD
pad_qspin_sck	pad_qspim_sck
pad_qspin_cs	pad_qspim_cs
pad_qspin_dq0	pad_qspim_dq0
pad_qspin_dq1	pad_qspim_dq1
pad_qspin_dq2	pad_qspim_dq2
pad_qspin_dq3	pad_qspim_dq3

Note

The ‘m’ and ‘n’ in “qspim” and “qspin” indicate the peripheral number.