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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
INPUT_0.IN_FREQ
Input frequency in Hz is M / N.
INPUT_0.IN_DIV
Input divider value.
Table 158: INPUT_0.IN_FREQ Bit Field Locations and Descriptions
Offset
Address
(Hex)
INPUT_0.IN_FREQ Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
000h
M[7:0]
001h
M[15:8]
002h
M[23:16]
003h
M[31:24]
004h
M[39:32]
005h
M[47:40]
006h
N[7:0]
007h
N[15:8]
INPUT_0.IN_FREQ Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
N[15:0]
R/W
0
Input frequency N.
N is unsigned 16-bit. N must not be configured to 0.
M[47:0]
R/W
0
Input frequency M.
M is unsigned 48-bit.
In differential mode, maximum speed is 1 GHz.
In CMOS mode (single-ended), maximum speed is 325 MHz.
Table 159: INPUT_0.IN_DIV Bit Field Locations and Descriptions
Offset
Address
(Hex)
INPUT_0.IN_DIV Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
008h
IN_DIV[7:0]
009h
IN_DIV[15:8]