Datasheet

AD9633 Data Sheet
Rev. 0 | Page 36 of 40
Addr
(Hex)
Parameter
Name
Bit 7
(MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
Bit 0
(LSB)
Default
Value
(Hex) Comments
0x21 Serial output
data control
(global)
LVDS
output
LSB
first
SDR/DDR one-lane/two-lane,
bitwise/bytewise[6:4]
000 = SDR two-lane, bitwise
001 = SDR two-lane, bytewise
010 = DDR two-lane, bitwise
011 = DDR two-lane, bytewise
100 = DDR one-lane
Open Select 2×
frame
Serial output
number of bits
10 = 12 bits
11 = 10 bits
0x32 Serial stream
control. Default
causes MSB first
and the native
bit stream.
0x22 Serial channel
status (local)
Open Open Open Open Open Open Channel
output
reset
Channel
power-
down
0x00 Used to power
down individual
sections of a
converter.
0x100 Resolution/
sample rate
override
Open Resolution/
sample rate
override
enable
Resolution
10 = 12 bits
11 = 10 bits
Open Sample rate
000 = 20 MSPS
001 = 40 MSPS
010 = 50 MSPS
011 = 65 MSPS
100 = 80 MSPS
101 = 105 MSPS
110 = 125 MSPS
0x00 Resolution/
sample rate
override
(requires
transfer
register,
0xFF).
0x101 User I/O Control 2 Open Open Open Open Open Open Open SDIO
pull-
down
0x00 Disables SDIO
pull-down.
0x102 User I/O Control 3 Open Open Open Open VCM
power-
down
Open Open Open 0x00 VCM control.
0x109 Sync Open Open Open Open Open Open Sync
next
only
Enable
sync
0x00