User's Manual

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Table Of Contents

USER MANUA

V0.6

STM 31X / STM 31XC

TABLE OF CONTENT

GENERAL DESCRIPTION................................................................................. 4

1.1

Basic functionality ......................................................................................... 4

1.2

Technical data .............................................................................................. 5

1.3

Physical dimensions....................................................................................... 5

1.4

Environmental conditions ............................................................................... 7

1.5

Ordering Information ..................................................................................... 7

2 FUNCTIONAL DESCRIPTION............................................................................ 8

2.1

Simplified firmware flow chart and block diagram.............................................. 8

2.2

Pin out......................................................................................................... 9

2.3

Pin description and operational characteristics ................................................ 10

2.3.1

Interface supply voltage........................................................................... 11

2.3.2

Analog and digital inputs .......................................................................... 12

2.4

Absolute maximum ratings (non operating) .................................................... 12

2.5

Maximum ratings (operating)........................................................................ 12

2.6

Power management and voltage regulators .................................................... 13

2.7

Configuration.............................................................................................. 13

2.7.1

Configuration via pins .............................................................................. 13

2.7.2

Configuration via serial interface ............................................................... 15

2.8

Radio telegram ........................................................................................... 16

2.8.1

Normal operation .................................................................................... 16

2.8.2

Teach-in telegram ................................................................................... 17

2.9

Transmit timing .......................................................................................... 17

2.10

Charging circuitry ................................................................................... 18

2.11

Energy consumption ............................................................................... 18

3 APPLICATIONS INFORMATION ...................................................................... 20

3.1

Using the WAKE pins ................................................................................... 20

3.2

Antenna options.......................................................................................... 22

3.2.1

Whip antenna (STM 310, STM 310C, STM 312, STM 312C) ........................... 22

3.2.2

Helical antenna (STM 311, STM 311C) ....................................................... 23

3.3

Transmission range ..................................................................................... 24

4 AGENCY CERTIFICATIONS ............................................................................ 25

4.1

CE Approval................................................................................................ 25

4.2

FCC (United States) certification ................................................................... 26

4.3

IC (Industry Canada) certification.................................................................. 28