JTAG

Figure 1. JTAG Programming Waveform
The SPI bus must be inactive during JTAG configuration.
Important: Refer to Power Up Sequence for power-up details.
Table 1. JTAG Mode Timing Parameters
Symbol Parameter Min Typ Max Units
fTCK TCK frequency. – – 25 MHz
tTDISU TDI setup time. 3.5 – – ns
tTDIH TDI hold time. 2.5 – – ns
tTMSSU TMS setup time. 3 – – ns
tTMSH TMS hold time. 2.5 – – ns
tTCKTDO TCK falling edge to TDO output. – – 10.5 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.