CDCM7005

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SCAS793E – JUNE 2005 – REVISED FEBRUARY 2013

Word 3

PIN AFFECTED

BIT

POWER UP

BIT

DESCRIPTION/FUNCTION

NAME

CONDITION

BGA

QFN

0

Register selection

1

1

Register selection

1

2

LOCKW 0

Lock Window

Lock-detect window Bit 0

1

A8

25

3

LOCKW 1

Lock-detect window Bit 1

0

A8

25

4

LOCKC0

Lock Cycles

Number of coherent lock events Bit 0

0

A8

25

5

LOCKC1

Number of coherent lock events Bit 1

1

A8

25

Frequency offset mode only for out-of-lock detection

6

FOFF

Frequency Offset

0

A8

25

7

RES

RESERVED

0

RES

RES

8

RES

RESERVED

0

RES

RES

9

HOLDF

HOLD Function

Enables the frequency hold-over function on [1], off [0]

0

10

RESERVED

0

RES

RES

Triggered by analog PLL lock detect outputs [0] (if

HOLD Trigger

11

HOLDTR

analog PLL Lock signal is set then HOLD is activated;

0

Condition

if analog PLL lock signal is reset then HOLD is de-

activated).

12

RES

RESERVED

0

RES

RES

13

RES

RESERVED

0

RES

RES

14

RES

RESERVED

0

RES

RES

15

RES

RESERVED

0

RES

RES

16

GTME

General Test Mode Enable. Test Mode is only

0

enabled if this bit is set to 1.

17

RES

RESERVED

0

RES

RES

18

RES

RESERVED

0

RES

RES

19

RES

RESERVED

0

RES

RES

20

RES

RESERVED

0

RES

RES

21

RES

RESERVED

0

RES

RES

22

RES

RESERVED

0

RES

RES

23

RES

RESERVED

0

RES

RES

24

RES

RESERVED

0

RES

RES

25

RES

RESERVED

0

RES

RES

26

RES

RESERVED

0

RES

RES

27

RES

RESERVED

0

RES

RES

28

PFDFC

PFD Frequency Control. Data provided to the PFD

0

D8

22

are feed through to the corresponding STATUS

29

RES

RESERVED

0

RES

RES

30

RES

RESERVED

0

RES

RES

31

RES

RESERVED

0

RES

RES

(1)

If Frequency offset mode only for out-of-lock detection is on, the selected lock detect window is valid for lock detect. Independent from

this, out of lock is valid if a frequency offset is detected.

(2)

HOLD function always activated is recommended for test purposes only.

(3)

The maximum frequency for the STATUS_VCXO pin is 100 MHz.

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