EVAL-ADN2804EB AD [Analog Devices], EVAL-ADN2804EB Datasheet - Page 11

• Manufacturer Part Number: EVAL-ADN2804EB
• Description: 622 Mbps Clock and Data Recovery IC with Integrated Limiting Amplifier
• Manufacturer: AD [Analog Devices]

Table 6. Internal Register Map
Reg
Name
FREQ0
FREQ1
FREQ2
MISC
CTRLA
CTRLB
CTRLC
1
Table 7. Miscellaneous Register, MISC
D7
x
Table 8. Control Register, CTRLA
F
D7
0
0
1
1
1
Table 9. Control Register, CTRLB
Config LOL
D7
0 = LOL pin normal operation
1 = LOL pin is static LOL
Table 10. Control Register, CTRLC
D7
Set to 0
All writeable registers default to 0x00.
Where DIV_F
REF
Range
D6
x
D6
0
1
0
1
R/W
R
R
R
R
W
W
W
D6
Set to 0
REF
LOS Status
D5
0 = No loss of signal
1 = Loss of signal
19.44 MHz
38.88 MHz
77.76 MHz
155.52 MHz
is the divided down reference referred to the 10 MHz to 20 MHz band (see the Reference Clock (Optional) section).
Addr
0x4
0x0
0x1
0x2
0x8
0x9
0x11
D5
Set to 0
D7
MSB
MSB
0
x
Config
LOL
0
F
REF
Reset MISC[4]
D6
Write a 1 followed
by 0 to reset MISC[4]
1
D4
Set to 0
range
D6
MSB
x
Reset
MISC[4]
0
1
Static LOL
D4
0 = Waiting for next LOL
1 = Static LOL until reset
Data Rate/Div_F
D5
0
0
0
0
D3
Set to 0
D4
1
1
1
1
D5
LOS status
System
reset
0
D3
0
0
0
0
System Reset
D5
Write a 1 followed by
0 to reset ADN2804
Config LOS
D2
0 = Active high LOS
1 = Active low LOS
REF
Ratio
D2
1
1
1
1
Data rate/DIV_F
D4
Static
LOL
0
0
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LOL Status
D3
0 = Locked
1 = Acquiring
D3
LOL
status
Reset
MISC[2]
0
Measure Data Rate
Set to 1 to measure data rate
D1
REF
ratio
D4
Set to 0
SQUELCH Mode
D1
0 = Squelch data outputs and
clock outputs
1 = Squelch data outputs or
clock outputs
D2
Data rate
measurement
complete
0
Config LOS
Data Rate Measurement Complete
D2
0 = Measuring data rate
1 = Measurement complete
Reset MISC[2]
D3
Write a 1 followed
by 0 to reset MISC[2]
D1
x
Measure data rate
0
SQUELCH mode
Lock to Reference
D0
0 = Lock to input data
1 = Lock to reference clock
D2
Set to 0
Output Boost
D0
0 = Default output swing
1 = Boost output swing
D0
LSB
LSB
LSB
x
Lock to reference
0
Output boost
D1
Set to 0
ADN2804
D1
x
D0
Set to 0
D0
x