Table 14.79. 0x033B–0x0340 N0 Frequency Step Word
Reg Address Bit Field Type Setting Name Description
0x033B 7:0 R/W N0_FSTEPW 44-bit Integer Number
0x033C 15:8 R/W N0_FSTEPW
0x033D 23:16 R/W N0_FSTEPW
0x033E 31:24 R/W N0_ FSTEPW
0x033F 39:32 R/W N0_ FSTEPW
0x0340 43:40 R/W N0_ FSTEPW
This is a 44-bit integer value which is directly added (FDEC) or subtracted (FINC) from the Nx_NUM parameter when FINC or FDEC
is asserted. ClockBuilder Pro calculates the correct values for the N0 Frequency Step Word. Each N divider has the ability to add or
subtract up to a 44-bit value. The Nx_NUM register value does not change when an FINC or FDEC is performed so that the starting
point of Nx_NUM is in the Nx_NUM register.
Table 14.80. Frequency Step Word for N1, N2, N3, N4
Register Address Setting Name Size Same as Address
0x0341-0x0346 N1_FSTEPW 44-bit Integer Number 0x033B-0x0340
0x0347-0x034C N2_FSTEPW 44-bit Integer Number 0x033B-0x0340
0x034D-0x0352 N3_FSTEPW 44-bit Integer Number 0x033B-0x0340
0x0353-0x0358 N4_FSTEPW 44-bit Integer Number 0x033B-0x0340
Si5341, Si5340 Rev D Family Reference Manual • Register Map
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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