Datasheet
Data Sheet AD9148
Rev. B | Page 37 of 72
Register Name
Addr
(Hex) Bit Name Function Default
SED_S0_L 38 7:0
SED Compare
Pattern Sample0[7:0]
Compare Pattern Sample0[15:0] is the word that is compared
with Data Sample 0 captured at the input interface by the
rising edge of DCI.
Set DAC SPI select = 0 to configure Port A.
Set DAC SPI select = 1 to configure Port B.
SED_S0_H 39 7:0
SED Compare
Pattern
Sample0[15:8]
Compare Pattern Sample0[15:0] is the word that is compared
with Data Sample 0 captured at the input interface by the
rising edge of DCI.
Set DAC SPI select = 0 to configure Port A.
Set DAC SPI select = 1 to configure Port B.
SED_S1_L 3A 7:0
SED Compare
Pattern Sample1[7:0]
Compare Pattern Sample1[15:0] is the word that is compared
with Data Sample 1 captured at the input interface by the
falling edge of DCI.
Set DAC SPI select = 0 to configure Port A.
Set DAC SPI select = 1 to configure Port B.
SED_S1_H 3B 7:0
SED Compare
Pattern
Sample1[15:8]
Compare Pattern Sample1[15:0] is the word that is compared
with Data Sample 1 captured at the input interface by the
falling edge of DCI.
Set DAC SPI select = 0 to configure Port A.
Set DAC SPI select = 1 to configure Port B.
SED_S2_L 3C 7:0
SED Compare
Pattern Sample2[7:0]
Compare Pattern Sample2[15:0] is the word that is compared
with Data Sample 2 captured at the input interface by the
rising edge of DCI.
Set DAC SPI select = 0 to configure Port A.
Set DAC SPI select = 1 to configure Port B.
SED_S2_H 3D 7:0
SED Compare
Pattern
Sample2[15:8]
Compare Pattern Sample2[15:0] is the word that is compared
with Data Sample 2 captured at the input interface by the
rising edge of DCI.
Set DAC SPI select = 0 to configure Port A.
Set DAC SPI select = 1 to configure Port B.
SED_S3_L 3E 7:0
SED Compare
Pattern Sample3
[7:0]
Compare Pattern Sample3[15:0] is the word that is compared
with Data Sample 3 captured at the input interface by the
falling edge of DCI.
Set DAC SPI select = 0 to configure Port A.
Set DAC SPI select = 1 to configure Port B.
SED_S3_H
3F
7:0
SED Compare
Pattern
Sample3[15:8]
Compare Pattern Sample3[15:0] is the word that is compared
with Data Sample 3 captured at the input interface by the
falling edge of DCI.
Set DAC SPI select = 0 to configure Port A.
Set DAC SPI select = 1 to configure Port B.