HMC1197LP7FE datasheet(44/57 Pages) AD

44 / 57 page

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

HMC1197LP7FE

v03.0314

Wideband direct Quadrature Modulator

w/ Fractional-n Pll & Vco, 100 - 4000 MHz

2.15

reg 0Fh GPo register

BIT

TYPE

NAME

Width

Default

DESCRIPTION

[4:0]

R/W

GPO

Select signal to be output to SDO pin when enabled

DEFAULT LOCK DETECT

0: Data from Reg0F[5]

1: Lock Detect Output

2. Lock Detect Trigger

3: Lock Detect Window Output

4: Ring Osc Test

5. Pullup Hard from CSP

6. PullDN hard from CSP

7. Reserved

8: Reference Buffer Output

9: Ref Divider Output

10: VCO divider Output

11. Modulator Clock from VCO divider

12. Auxiliary Clock

13. Aux SPI Clock

14. Aux SPI Enable

15. Aux SPI Data Out

16. PD DN

17. PD UP

18. SD3 Clock Delay

19. SD3 Core Clock

20. AutoStrobe Integer Write

21. Autostrobe Frac Write

22. Autostrobe Aux SPI

23. SPI Latch Enable

24. VCO Divider Sync Reset

25. Seed Load Strobe

26.-29 Not Used

30. SPI Output Buffer En

31. Soft RSTB

[5]

R/W

GPO Test Data

1 - GPO Test Data when GPO_Select = 0

[6]

R/W

Prevent Automux SDO

1- Outputs GPO data only

0- Automuxes between SDO and GPO data

[7]

R/W

Reserved

[8]

R/W

Disable PFET

Program to 1 if external pull-ups are used on the SDO line

(Prevents conflicts on the SPI bus)

[9]

R/W

Disable NFET

Program to 1 if external pull-downs are used on the SDO line

(Prevents conflicts on the SPI bus)

[23:10]

R/W

Reserved

2.16

reg 10h tuning register deFault 80 h

BIT

TYPE

NAME

Width

Default

DESCRIPTION

[7:0]

VCO Tune Curve

16d

10h

VCO selection resulting from AutoCalibration.

0- maximum frequency

‘1111 1111’b- minimum frequency

[8]

VCO Tuning Busy

Indicates if the VCO tuning is in process

1- Busy

0- Not Busy

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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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Trademarks and registered trademarks are the property of their respective owners.

For price, delivery, and to place orders: Analog Devices, Inc.,

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106

Phone: 781-329-4700 • Order online at www.analog.com

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

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