ADN2813

Rev. 0 | Page 11 of 28

Table 6. Internal Register Map1

Reg.

Name

R/W

Address

D7

D6

D5

D4

D3

D2

D1

D0

FREQ0

R

0x0

MSB

LSB

FREQ1

R

0x1

MSB

LSB

FREQ2

R

0x2

0

MSB

LSB

RATE

R

0x3

COARSE_RD[8] MSB

Coarse Data Rate Readback

COARSE_RD[1]

MISC

R

0x4

x

x

LOS

Status

Static

LOL

LOL

Status

Data Rate

Measure

Complete

x

COARSE_RD[0] LSB

CTRLA

W

0x8

Measure

Data Rate

Lock to

Reference

CTRLB

W

0x9

Config.

LOL

Reset

MISC[4]

System

Reset

0

Reset

MISC[2]

0

0

0

CTRLC

W

0x11

0

0

0

0

0

Config. LOS

SQUELCH

Mode

Output Boost

Table 7. Miscellaneous Register, MISC

LOS Status

Static LOL

LOL Status

Data Rate Measurement

Complete

Coarse Rate

Readback LSB

D7

D6

D5

D4

D3

D2

D1

D0

x

x

0 = No loss of signal

0 = Waiting for next LOL

0 = Locked

0 = Measuring data rate

x

COARSE_RD[0]

1 = Loss of signal

1 = Static LOL until reset

1 = Acquiring

1 = Measurement complete

Table 8. Control Register, CTRLA1

Measure Data Rate

Lock to Reference

D7

D6

D5

D4

D3

D2

D1

D0

0

0

10 MHz to 20 MHz

0

0

0

0

1

Set to 1 to measure data rate

0 = Lock to input data

0

1

20 MHz to 40 MHz

0

0

0

1

2

1 = Lock to reference clock

1

0

40 MHz to 80 MHz

0

0

1

0

4

1

1

80 MHz to 160 MHz

n

1

0

0

0

256

REF

is the divided down reference referred to the 10 MHz to 20 MHz band (see the Reference Clock (Optional) section).

Table 9. Control Register, CTRLB

Config LOL

Reset MISC[4]

System Reset

Reset MISC[2]

D7

D6

D5

D4

D3

D2

D1

D0

0 = LOL pin normal operation

1 = LOL pin is static LOL

Write a 1 followed by

0 to reset MISC[4]

Write a 1 followed by 0

to reset ADN2813

Set

to 0

Write a 1 followed by 0

to reset MISC[2]

Set

to 0

Set

to 0

Set

to 0

Table 10. Control Register, CTRLC

Config. LOS

SQUELCH Mode

Output Boost

D7

D6

D5

D4

D3

D2

D1

D0

0 = Active high LOS

0 = SQUELCH CLK and DATA

0 = Default output swing

Set to 0

Set to 0

Set to 0

Set to 0

Set to 0

1 = Active low LOS

1 = SQUELCH CLK or DATA

1 = Boost output swing