SPI Passive

Figure 1. SPI Passive Mode (x1) Timing Sequence
The JTAG pins must be inactive during SPI passive configuration.

Table 1. Passive Mode Timing Parameters
Symbol Parameter Min Typ Max Units
fMAX_S Passive mode X1 configuration clock frequency for speed grades C4L and I4L. 10 MHz
Passive mode X1 configuration clock frequency for speed grades C3, C4, and I4. 12.5 MHz
Passive mode X2, X4 or X8 configuration clock frequency. 50 MHz
Passive mode X16 or X32 configuration clock frequency. 100 MHz
tCLKH Configuration clock pulse width high. 0.48*1/fMAX_S ns
tCLKL Configuration clock pulse width low. 0.48*1/fMAX_S ns
tSU Setup time. 6.5 ns
tH Hold time. 1 ns
tDMIN Minimum time between deassertion of CRESET_N to first valid configuration data. 1.2 μs
Note: Refer to Power Up Sequence for details on the power-up requirements.