Datasheet

Data Sheet AD9613
Rev. C | Page 33 of 36
Addr
(Hex)
Register
Name
Bit 7
(MSB)
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
Bit 0
(LSB)
Default
Value
(Hex)
Default
Notes/
Comments
0x0D Test mode
(local)
User test
mode
control
0 =
continuou
s/repeat
pattern
1 = single
pattern,
then 0s
Open Reset PN
long gen
Reset PN
short gen
Output test mode
0000 = off (default)
0001 = midscale short
0010 = positive FS
0011 = negative FS
0100 = alternating checkerboard
0101 = PN long sequence
0110 = PN short sequence
0111 = one/zero word toggle
1000 = user test mode
1001 to 1110 = unused
1111 = ramp output
0x00 When this
register is
set, the test
data is
placed on
the output
pins in
place of
normal data
0x10
Offset adjust
(local)
Open
Open
Offset adjust in LSBs from +31 to −32
(twos complement format)
0x00
0x14 Output mode Open Open Open Output
enable bar
(local)
Open Output invert
(local)
1 = normal
(default)
0 = inverted
Output format
00 = offset binary
01 = twos complement
(default)
10 = gray code
11 = reserved
(local)
0x05 Configures
the outputs
and the
format of
the data
0x15 Output Adjust
(Global)
Open Open Open Open LVDS output drive current adjust
0000 = 3.72 mA output drive current
0001 = 3.5 mA output drive current (default)
0010 = 3.30 mA output drive current
0011 = 2.96 mA output drive current
0100 = 2.82 mA output drive current
0101 = 2.57 mA output drive current
0110 = 2.27 mA output drive current
0111 = 2.0 mA output drive current (reduced range)
1000 – 1111 = reserved
0x01
0x16 Clock phase
control
(global)
Invert
DCO clock
Open
Odd/Even
Mode
Output
Enable
0 =
disabled
1 =
enabled
Open Open Open Open Open 0x00
0x17 DCO output
delay (global)
Enable
DCO
clock
delay
Open Open DCO clock delay
[delay = (3100 ps × register value/31 +100)]
00000 = 100 ps
00001 = 200 ps
00010 = 300 ps
…
11110 = 3100 ps
11111 = 3200 ps
0x00
0x18
Input span
select (global)
Open
Open
Open
Full-scale input voltage selection
01111 = 2.087 V p-p
…
00001 = 1.772 V p-p
00000 = 1.75 V p-p (default)
11111 = 1.727 V p-p
…
10000 = 1.383 V p-p
0x00
Full-scale
input
adjustment
in 0.022 V
steps
0x19 User Test
Pattern 1 LSB
(global)
User Test Pattern 1[7:0]
0x00
0x1A User Test
Pattern 1 MSB
(global)
User Test Pattern 1[15:8]
0x00
0x1B User Test
Pattern 2 LSB
(global)
User Test Pattern 2[7:0]
0x00
0x1C User Test
Pattern 2 MSB
(global)
User Test Pattern 2[15:8]
0x00
0x1D User Test
Pattern 3 LSB
(global)
User Test Pattern 3[7:0] 0x00