DWM3000 datasheet(2/24 Pages) ETC1

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DWM3000 Datasheet

Preliminary

Version 0.1

Page 2

Table of Contents

1 OVERVIEW ......................................................4

1.1

DWM3000 FUNCTIONAL DESCRIPTION........... 4

1.2

DWM3000 POWER UP................................ 4

1.3

SPI HOST INTERFACE..................................... 6

1.3.1

SPI Timing Parameters...................... 6

1.3.2

SPI Operating Modes........................ 7

1.3.3

SPI Transaction Formatting .............. 8

1.4

GENERAL PURPOSE INPUT OUTPUT (GPIO)....... 9

1.5

ALWAYS-ON (AON) MEMORY........................ 9

1.6

ONE-TIME PROGRAMMABLE (OTP) MEMORY... 9

1.7

INTERRUPTS AND DEVICE STATUS..................... 9

1.8

MAC.......................................................... 9

2 DWM3000 CALIBRATION .............................10

2.1.1

Crystal Oscillator Trim .................... 10

2.1.2

Transmitter Calibration .................. 10

2.1.3

Antenna Delay Calibration.............. 10

3 DWM3000 PIN CONNECTIONS.....................11

3.1

PIN NUMBERING ........................................ 11

3.2

PIN DESCRIPTIONS ...................................... 11

4 ELECTRICAL SPECIFICATIONS........................14

4.1

NOMINAL OPERATING CONDITIONS ............... 14

4.2

DC CHARACTERISTICS...................................14

4.3

RECEIVER AC CHARACTERISTICS.....................14

4.4

REFERENCE CLOCK AC CHARACTERISTICS.........15

4.4.1

Reference Frequency.......................15

4.5

TRANSMITTER AC CHARACTERISTICS...............15

4.6

ABSOLUTE MAXIMUM RATINGS.....................15

5 APPLICATION INFORMATION.......................16

5.1

APPLICATION BOARD LAYOUT GUIDELINES.......16

5.2

APPLICATION CIRCUIT DIAGRAM ....................17

5.3

GPIO AND SPI I/O INTERNAL PULL UP/DOWN..17

6 PACKAGE INFORMATION..............................18

6.1

MODULE DRAWINGS....................................18

6.2

MODULE LAND PATTERN..............................19

MODULE MARKING INFORMATION.................19

6.3

6.4

MODULE SOLDER PROFILE ............................20

6.5

TAPE AND REEL INFORMATION.......................21

7 GLOSSARY......................................................22

8 DOCUMENT HISTORY....................................23

9 FURTHER INFORMATION..............................24

List of Figures

FIGURE 1: TIMING DIAGRAM FOR COLD START POR........... 5

FIGURE 2 TIMING DIAGRAM FOR WARM START ................. 5

FIGURE 3: SPI TIMING DIAGRAM .................................. 6

FIGURE 4: SPI DETAILED TIMING DIAGRAM .................... 6

FIGURE 5: DW3000 SPIPHA=0 TRANSFER PROTOCOL..... 7

FIGURE 6: DW3000 SPIPHA=1 TRANSFER PROTOCOL..... 7

FIGURE 7: SPI COMMAND FORMATTING......................... 8

FIGURE 8: DWM3000 PIN DIAGRAM.......................... 11

FIGURE 9: DWM3000 APPLICATION BOARD KEEP-OUT

AREAS.............................................................. 16

FIGURE 10: EXAMPLE DWM3000 APPLICATIONCIRCUIT.17

FIGURE 11: SPI AND GPIO PULL UP/DOWN...................17

FIGURE 12: MODULE PACKAGE SIZE (UNITS: MM) ..........18

FIGURE 13: DWM3000 MODULE LAND PATTERN (UNITS:

).................................................................19

FIGURE 14: DWM3000 MODULE MARKING INFORMATION

.......................................................................19

FIGURE 15: DWM3000 MODULE SOLDER PROFILE.......20

FIGURE 16: MODULE CARRIER DIMENSION (UNITS: MM).21

FIGURE 17: MODULE TAPE CARRIER DIMENSION............21

List of Tables

TABLE 1: SPI TIMING PARAMETERS................................ 6

TABLE 2: DWM3000 PIN FUNCTIONS.......................... 11

TABLE 3: EXPLANATION OFABBREVIATIONS................... 13

TABLE 4: DWM3000 OPERATING CONDITIONS............. 14

TABLE 5: DWM3000 DC CHARACTERISTICS................. 14

TABLE 6: DWM3000 RECEIVER AC CHARACTERISTICS.... 14

TABLE 7: DWM3000 REFERENCE CLOCK AC

CHARACTERISTICS............................................... 15

TABLE 8: DWM3000 TRANSMITTER AC CHARACTERISTICS

.......................................................................15

TABLE 9: DWM3000 ABSOLUTE MAXIMUM RATINGS....15

TABLE 10: MODULE WEIGHT .......................................19

TABLE 11: GLOSSARY OFTERMS...................................22

TABLE 12: DOCUMENT HISTORY...................................23

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