AD9548SLASHPCBZ datasheet(92/112 Pages) AD

92 / 112 page

AD9548

Rev. 0 | Page 92 of 112

Table 117. Lock Detectors—Profile 3

Address

Bits

Bit Name

Description

06DB

[7:0]

Phase lock threshold

(in picoseconds)

Phase lock threshold, Bits[7:0]

06DC

[7:0]

Phase lock threshold, Bits[15:8]

06DD

[7:0]

Phase lock fill rate

Phase lock fill rate, Bits[7:0]

06DE

[7:0]

Phase lock drain rate

Phase lock drain rate, Bits[7:0]

06DF

[7:0]

Frequency lock thresh-

old (in picoseconds)

Frequency lock threshold, Bits[7:0]

06E0

[7:0]

Frequency lock threshold, Bits[15:8]

06E1

[7:0]

Frequency lock threshold, Bits[23:16]

06E2

[7:0]

Frequency lock fill rate

Frequency lock fill rate, Bits[7:0]

06E3

[7:0]

Frequency lock drain

rate

Frequency lock drain rate, Bits[7:0]

06E4 to 06FF

[7:0]

Unused

Profile 4 (Register 0700 to Register 0731) is identical to Profile 0 (Register 0600 to Register0631).

Profile 5 (Register 0732 to Register 077F) is identical to Profile 1 (Register 0632 to Register 067F).

Profile 6 (Register 0780 to Register 07B1) is identical to Profile 2 (Register 0680 to Register 06B1).

Profile 7 (Register 07B2 to Register 07FF) is identical to Profile 3 (Register 06B2 to Register 06FF).

OPERATIONAL CONTROLS (REGISTER 0A00 TO REGISTER 0A10)

Table 118. General Power-Down

Address

Bits

Bit Name

Description

0A00

[7]

Reset sans reg map

Reset internal hardware but retain programmed register values.

0 (default) = normal operation.

1 = reset.

[6]

Unused

[5]

SYSCLK power-down

Place SYSCLK input and PLL in deep sleep mode.

0 (default) = normal operation.

1 = power-down.

[4]

Reference power-

down

Place reference clock inputs in deep sleep mode.

0 (default) = normal operation.

1 = power-down.

[3]

TDC power-down

Place the time-to-digital converter in deep sleep mode.

0 (default) = normal operation.

1 = power-down.

[2]

DAC power-down

Place the DAC in deep sleep mode.

0 (default) = normal operation.

1 = power-down.

[1]

Dist power-down

Place the clock distribution outputs in deep sleep mode.

0 (default) = normal operation.

1 = power-down.

[0]

Full power-down

Place the entire device in deep sleep mode.

0 (default) = normal operation.

1 = power-down.

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