Micrel, Inc.

MICRF600/MICRF600Z

July 2006

2

M9999-082505

Contents

General Description ................................................................................................................................................................ 1

Features .................................................................................................................................................................................. 1

Applications ............................................................................................................................................................................. 1

Contents .................................................................................................................................................................................. 2

RadioWire

® RF Module Selection Guide................................................................................................................................. 3

Ordering Information ............................................................................................................................................................... 3

Block Diagram......................................................................................................................................................................... 3

Pin Configuration..................................................................................................................................................................... 4

Pin Description ........................................................................................................................................................................ 4

Absolute Maximum Ratings

(1) ................................................................................................................................................. 5

Operating Ratings

(2) ................................................................................................................................................................ 5

Electrical Characteristics......................................................................................................................................................... 5

Programming........................................................................................................................................................................... 7

General ............................................................................................................................................................................... 7

Writing to the Control Registers in MICRF600 ................................................................................................................... 8

Writing to a Single Register ................................................................................................................................................ 8

Writing to All Registers ....................................................................................................................................................... 8

Writing to n Registers Having Incremental Addresses ....................................................................................................... 9

Reading from the Control Registers in MICRF600 ............................................................................................................. 9

Reading n Registers from MICRF600................................................................................................................................. 9

Programming Interface Timing.............................................................................................................................................. 10

Power on Reset ................................................................................................................................................................ 11

Programming Summary.................................................................................................................................................... 11

Frequency Synthesizer ......................................................................................................................................................... 12

Crystal Oscillator (XCO) ................................................................................................................................................... 12

VCO .................................................................................................................................................................................. 12

Lock Detect ....................................................................................................................................................................... 13

Modes of Operation............................................................................................................................................................... 13

Transceiver Sync/Non-Synchronous Mode ...................................................................................................................... 14

Data Interface ................................................................................................................................................................... 14

Receiver ................................................................................................................................................................................ 14

Front End .......................................................................................................................................................................... 15

Sallen-Key Filters.............................................................................................................................................................. 15

Switched Capacitor Filter.................................................................................................................................................. 15

RSSI.................................................................................................................................................................................. 15

FEE ................................................................................................................................................................................... 16

Bit Synchronizer................................................................................................................................................................ 16

Transmitter ............................................................................................................................................................................ 18

Power Amplifier................................................................................................................................................................. 18

Frequency Modulation ...................................................................................................................................................... 18

Using the XCO-tune Bits ....................................................................................................................................................... 18

Application Circuit Illustration ................................................................................................................................................ 19

Assembling the MICRF600 ................................................................................................................................................... 19

Recommended Reflow Temperature Profile .................................................................................................................... 19

Shock/Vibration during Reflow.......................................................................................................................................... 19

Handassembling the MICRF600....................................................................................................................................... 19

Layout.................................................................................................................................................................................... 20

Recommended Land Pattern............................................................................................................................................ 20

Layout Considerations ...................................................................................................................................................... 20

Package Dimensions ............................................................................................................................................................ 21

Tape Dimensions .................................................................................................................................................................. 21