TSU Format to ns Convertor

ENTITY TSU_FORMAT_TO_NS IS

This component converts the Timestamp format of the TimeStamp Unit (the TS_NS output port) to pure nanosecond format. It does this by multiplying the upper 32 bits (that indicate the number of seconds) of the input by 10**9 and adding it to the lower 32 bits (that indicate the number of nanoseconds). Quartus and Vivado both manage to use DSPs for the multiplication, eventhough this description is behavioral. Input and output registers can be enabled.

Generics

Generic	Type	Default	Description
REG_BITMAP	std_logic_vector(2 downto 0)	“101”	Enable input and output registers. Options: “000” for no registers “001” for output registers “100” for input registers “010” for middle registers … all other combinations “111” for all registers

Ports

Port	Type	Mode	Description
CLK	std_logic	in
RESET	std_logic	in
TS_TSU	std_logic_vector(64-1 downto 0)	in	Input TimeStamps [s + ns] (TS_NS port of the TSU).
TS_NS	std_logic_vector(64-1 downto 0)	out	Output TimeStamps [ns].