Datasheet

AD9979
Rev. C | Page 14 of 56
12
43
H1 TO H4 PROGRAMMABLE LOCATIONS:
1
H1 RISING EDGE.
2
H1 FALLING EDGE.
3
H2 RISING EDGE.
4
H2 FALLING EDGE.
H2, H4
H1, H3
0
5957-019
Figure 17. HCLK Mode 2 Operation
12
4
3
H1 TO H4 PROGRAMMABLE LOCATIONS:
1
H1 RISING EDGE.
2
H1 FALLING EDGE.
3
H3 RISING EDGE.
4
H3 FALLING EDGE.
H3
H1
H2
H4
05957-020
Figure 18. HCLK Mode 3 Operation
NOTES
1. ALL SIGNAL EDGES ARE FULLY PROGRAMMABLE TO ANY OF THE 64 POSITIONS WITHIN 1 PIXEL PERIOD.
TYPICAL POSITIONS FOR EACH SIGNAL ARE SHOWN. HCLK MODE 1 IS SHOWN.
2. CERTAIN POSITIONS MUST BE AVOIDED FOR EACH SIGNAL, SHOWN ABOVE AS INHIBIT REGIONS.
3. IF A SETTING IN THE INHIBIT REGION IS USED, AN UNSTABLE PIXEL SHIFT CAN OCCUR IN THE HBLK LOCATION OR AFE PIPELINE.
P[0]
CLI
RG
P[64] = P[0]
CCD
SIGNAL
P[32]P[16] P[48]POSITION
H2
RGr[0] RGf[16]
SHD
SHDLOC[0]
H1
H1r[0] H1f[32]
t
S1
SHP
SHPLOC[32]
DOUTPHASEP
DATAPHASEP[32]
t
DOUTINH
t
SHDINH
t
SHPINH
05957-021
Figure 19. High Speed Timing Default Locations