For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

25

HMC1035LP6GE

v02.0614

HigH Performance, +3.3 V clock generator

25 - 2500 mHz

1.9.3

Declaration of lock:

the lock Detect Flag on lD_sDo except when a serial port read is requested, in which case the pin reverts temporar-

ily to the serial Data out pin, and returns to the lock Detect Flag after the read is completed.

1.9.4

reg 07h lock Detect register

(Default 00014Dh)

Bit

Type

Name

Width

Default

Description

[2:0]

r/W

lkd_wincnt_max

3

5d

lock detect window

sets the number of consecutive counts of divided VCo

that must land inside the lock Detect Window to declare

loCk

0: 5

1: 32

2: 96

3: 256

4: 512

5: 2048

6: 8192

7: 65535

[3]

r/W

enable Internal lock Detect

1

1

1: enabled

[5:4]

r/W

reserved

2

0

reserved

[6]

r/W

lock Detect Window type

1

1

lock Detection Window timer selection

1: Digital programmable timer

0: analog one shot, nominal 10 ns window

[9:7]

r/W

lD Digital Window duration

3

2

0 lock Detection - Digital Window Duration

0: 1/2 cycle

1: 1 cycle

2: 2 cycles

3: 4 cycles

4: 8 cycles

5: 16 cycles

6: 32 cycles

7: 64 cycles

[11:10]

r/W

lD Digital timer Frequency

Control

2

0

lock Detect Digital timer Frequency Control “00” fastest,

“11” slowest

[12]

r/W

reserved

1

0

reserved

[13]

r/W

reserved

1

0

reserved

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rights of third parties that may result from its use. Specifications subject to change without notice. No

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Application Support: Phone: 1-800-ANALOG-D