Datasheet

AD9549
Rev. D | Page 60 of 76
Register 0x0121—FTW Upper Limit
Table 53.
Bits Bit Name Description
[7:0] FTW upper limit Highest DDS tuning word in closed- loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x0122—FTW Upper Limit (Continued)
Table 54.
Bits Bit Name Description
[15:8] FTW upper limit Highest DDS tuning word in closed- loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x0123—FTW Upper Limit (Continued)
Table 55.
Bits Bit Name Description
[23:16] FTW upper limit Highest DDS tuning word in closed- loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x0124—FTW Upper Limit (Continued)
Table 56.
Bits Bit Name Description
[31:24] FTW upper limit Highest DDS tuning word in closed- loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x0125—FTW Upper Limit (Continued)
Table 57.
Bits Bit Name Description
[39:32] FTW upper limit Highest DDS tuning word in closed- loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x0126—FTW Upper Limit (Continued)
Table 58.
Bits Bit Name Description
[47:40] FTW upper limit Highest DDS tuning word in closed- loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x0127 to Register 0x012C—Frequency Slew Limit
Table 59.
Bits Bit Name Description
[47:0] Frequency slew limit See the Frequency Slew Limiter section.
Register 0x012D to Register 0x0130—Reserved