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  • DAC AD5628 Pmod Controller (VHDL)

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Transactions to the DAC Pmod require sending a 4-bit command (dac_cmd), 4-bit address (dac_addr), and 12-bit data (dac_data).  Table 1 lists the available commands.  In the most common case, sending a “0011” command will write and update the DAC of the chosen address.  The addresses of each DAC are tabulated in Table 2.  The data sent typically represents the analog voltage the DAC channel will output.  Each bit of data corresponds to approximately 0.6mV.

See the AD5628 datasheet for more information.

Table 1.  Command Codes

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