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GS4901B_09 Datasheet, PDF (82/102 Pages) Gennum Corporation – SD Clock and Timing Generator with GENLOCK
Table 3-13: Configuration and Status Registers (Continued)
Register Name
Output_Select_5
Output_Select_6
Output_Select_7
Address
47h
47h
47h
48h
48h
48h
49h
49h
49h
Bit
15-5
4
3-0
15-5
4
3-0
15-5
4
3-0
Description
Reserved. Set these bits to zero when writing to
47h.
Current_5 - selects the current drive capability of
the TIMING_OUT_5 pin. Set this bit HIGH for high
current drive. Otherwise, the current drive will be
low.
Reference: Section 3.8.4 on page 62
This register is used to select one of the 10
pre-programmed or 4 user programmed timing
signals available for output on the TIMING_OUT_5
pin. See Table 3-11 for more details.
Note: The default setting of this register is 0101b,
which corresponds to F Sync.
Reference: Section 3.8.4 on page 62
Reserved. Set these bits to zero when writing to
48h.
Current_6 - selects the current drive capability of
the TIMING_OUT_6 pin. Set this bit HIGH for high
current drive. Otherwise, the current drive will be
low.
Reference: Section 3.8.4 on page 62
This register is used to select one of the 10
pre-programmed or 4 user programmed timing
signals available for output on the TIMING_OUT_6
pin. See Table 3-11 for more details.
Note: The default setting of this register is 0110b,
which corresponds to F Digital.
Reference: Section 3.8.4 on page 62
Reserved. Set these bits to zero when writing to
49h.
Current_7 - selects the current drive capability of
the TIMING_OUT_7 pin. Set this bit HIGH for high
current drive. Otherwise, the current drive will be
low.
Reference: Section 3.8.4 on page 62
This register is used to select one of the 10
pre-programmed or 4 user programmed timing
signals available for output on the TIMING_OUT_7
pin. See Table 3-11 for more details.
Note: The default setting of this register is 0111b,
which corresponds to 10FID.
Reference: Section 3.8.4 on page 62
R/W
–
R/W
R/W
–
R/W
R/W
–
R/W
R/W
Default
–
0
0101b
–
0
0110b
–
0
0111b
GS4901B/GS4900B SD Clock and Timing Generator
with GENLOCK
Data Sheet
37703 - 4
December 2009
82 of 102