The output of the latch 14 is a ramp signal that serves as {HEAD ~ an address} for a sine lookup table 16 that converts {TAIL ~ the ramp signal} into a digital sinusoid 
The output of the latch 14 is a ramp signal that serves as { HEAD ~ an address } for a sine lookup table 16 that converts { TAIL ~ the ramp signal } into a digital sinusoid
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH