I use TI LMX2592 chips to produce 5 g of the clock signal, using FPGA to control its register, using the SPI way, hardware is designed, measured the power supply of the chip in the specified range, but is not read data in a register, the SPI timing below, want to achieve is to read the data in the register, the program in the FPGA LMX2592 first to write 24 'b0000_0000_0000_0000_0000_0010 resetLMX2592, wait for us after 1 set LMX2592 to readback mode, write to the data of 24' b0000_0000_0010_0011_0001_1000. Then read the data in a register, but was unable to read data, can someone used LMX2592 this chip? Please teach ah ~ ~

CodePudding user response:

Read the 24th should be set to 1, then later seven keep up with the corresponding register address, (the study)