EnOcean STM 300 Manuel utilisateur

USER MANUAL V1.30

EnOcean GmbH

Kolpingring 18a

82041 Oberhaching

Germany

Phone +49.89.67 34 689-0

Fax +49.89.67 34 689-50

info@enocean.com

www.enocean.com

Subject to modifications

STM 300 / STM 300C User Manual V1.30

March 4, 2011 2:06 PM

Page 1/40

Patent protected:

WO98/36395, DE 100 25 561, DE 101 50 128,

WO 2004/051591, DE 103 01 678 A1, DE 10309334,

WO 04/109236, WO 05/096482, WO 02/095707,

US 6,747,573, US 7,019,241

Observe precautions! Electrostatic sensitive devices!

Scavenger Transceiver Module

STM 300 / STM 300C

March 4, 2011

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USER MANUAL V1.30

STM 300 / STM 300C

REVISION HISTORY

The following major modifications and improvements have been made to the first version of

this document:

No Major Changes

1.01 Tape running direction added in 3.8

1.10 Application note for multiple digital inputs with WAKE functionality added.

1.20 Error corrected in 3.5.1. and 4.1: Maximum gain of external antenna at 50 Ohm

output RF_50 is 0 dBi!

1.25 Charging circuit in 3.1 corrected; remarks added regarding use of IOVDD in 2.3.

Parameters of A/D converter corrected and specified in more detail in 2.3.2

1.26 Optional resolution at ADIO0, ADIO1, ADIO2 corrected in 2.3. Detailed description

in 2.9.1 was correct!

1.30 New improved application note in 3.1, which avoids deep dischar

e of the lon

term storage.

Published by EnOcean GmbH, Kolpingring 18a, 82041 Oberhaching, Germany

www.enocean.com, info@enocean.com, phone ++49 (89) 6734 6890

Important!

This information describes the type of component and shall not be considered as assured characteris-

tics. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications

are subject to change without notice. For the latest product specifications, refer to the EnOcean web-

site: http://www.enocean.com.

As far as patents or other rights of third parties are concerned, liability is only assumed for modules,

not for the described applications, processes and circuits.

EnOcean does not assume responsibility for use of modules described and limits its liability to the

replacement of modules determined to be defective due to workmanship. Devices or systems contain-

ing RF components must meet the essential requirements of the local legal authorities.

The modules must not be used in any relation with equipment that supports, directly or indirectly,

human health or life or with applications that can result in danger for people, animals or real value.

Components of the modules are considered and should be disposed of as hazardous waste. Local

government regulations are to be observed.

Packing: Please use the recycling operators known to you.

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USER MANUAL V1.30

STM 300 / STM 300C

TABLE OF CONTENT

1GENERAL DESCRIPTION .................................................................................4

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

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

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

1.4 Environmental conditions................................................................................6

1.5 Ordering Information .....................................................................................6

2FUNCTIONAL DESCRIPTION ............................................................................7

2.1 Simplified firmware flow chart and block diagram ..............................................7

2.2 Hardware pin out...........................................................................................8

2.3 Pin description and operational characteristics...................................................9

2.3.1 GPIO supply voltage.................................................................................10

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

2.4 Absolute maximum ratings (non operating) ....................................................13

2.5 Maximum ratings (operating) ........................................................................13

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

2.7 Charge control output (CCO).........................................................................14

2.8 Configuration ..............................................................................................15

2.8.1 Configuration via pins...............................................................................15

2.8.2 Configuration via programming interface ....................................................16

2.9 Radio telegram............................................................................................17

2.9.1 Normal operation.....................................................................................17

2.9.2 Teach-in telegram....................................................................................18

2.10 Transmit timing ......................................................................................18

2.11 Energy consumption................................................................................19

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

3.1 How to connect an energy harvester and energy storage..................................20

3.2 Using the SCO pin........................................................................................22

3.3 Using the WAKE pins....................................................................................22

3.4 Using RVDD ................................................................................................23

3.5 Antenna options ..........................................................................................24

3.5.1 Overview ................................................................................................24

3.5.2 Whip antenna..........................................................................................25

3.5.3 Chip antenna...........................................................................................26

3.5.4 Splatch antenna ......................................................................................28

3.5.5 Helical antenna........................................................................................29

3.6 Layout recommendations for foot pattern .......................................................30

3.7 Soldering information...................................................................................33

3.8 Tape & Reel specification ..............................................................................34

3.9 Transmission range......................................................................................35

4AGENCY CERTIFICATIONS ............................................................................36

4.1 CE Approval ................................................................................................36

4.2 FCC (United States) certification ....................................................................37

4.3 IC (Industry Canada) certification ..................................................................40

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USER MANUAL V1.30

STM 300 / STM 300C

1GENERAL DESCRIPTION

1.1 Basic functionality

The extremely power saving RF transmitter

module STM 300 of EnOcean enables the

realization of wireless and maintenance free

sensors and actuators such as room operat-

ing panels, motion sensors or valve actua-

tors for heating control.

Power supply is provided by an external en-

ergy harvester, e.g. a small solar cell (e.g.

EnOcean ECS 3x0) or a thermal harvester.

An energy storage device can be connected

externally to bridge periods with no supply

from the energy harvester. A voltage limiter avoids damaging of the module when the sup-

ply from the energy harvester gets too high. The module provides a user configurable cyclic

wake up. After wake up a radio telegram (input data, unique 32 bit sensor ID, checksum)

will be transmitted in case of a change of any digital input value compared to the last send-

ing or in case of a significant change of measured analogue values (different input sensitivi-

ties can be selected). In case of no relevant input change a redundant retransmission signal

is sent after a user configurable number of wake-ups to announce all current values. In

addition a wake up can be triggered externally.

Features with built-in firmware

3 A/D converter inputs

4 digital inputs

Configurable wake-up and transmission cycle

Wake-up via Wake pins

Voltage limiter

Threshold detector

Application notes for calculation of energy budgets and management of external energy

storages

Product variants

STM 300/300C: SMD mountable module for use with external antenna (868/315 MHz)

Features accessible via API

Using the Dolphin API library it is possible to write custom firmware for the module.

STM 300 / STM 300C is in-system programmable. The API provides:

Integrated 16 MHz 8051 CPU with 32 KB FLASH and 2 kB SRAM

Receiver functionality

Various power down and sleep modes down to typ. 0.2 µA current consumption

Up to 16 configurable I/Os

10 bit ADC, 8 bit DAC

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USER MANUAL V1.30

STM 300 / STM 300C

1.2 Technical data

ntenna External whip or 50 antenna mountable

Fre

uenc

315.0 MHz (STM 300C)/868.3 MHz (STM 300)

Radio Standard EnOcean 868 MHz/315 MHz

Data rate/Modulation t

e 125 kbps/ASK

Receiver Sensitivit

(

at 25 °C) receiver available only via API, typ. –96 dBm1(868MHz)

typ. -98 dBm1(315MHz)

Conducted Out

ut Power typ. 5 dBm

Power Su

2.1 V–4.5 V, 2.6 V needed for start-up

Current Consum

tion Deep Sleep mode : typ. 0.2 µA

Transmit mode: typ. 24 mA, max. 33 mA

Receive mode (available via API only): typ. 33 mA, max. 43 mA

ut Channels 4x digital input, 2x WAKE input , 3x analog input

Resolution: 3x 8 bit or 1x 10 bit, 1x 8 bit, 1x 6 bit

Radio Re

ulations R&TTE EN 300 220 (STM 300)

FCC CFR-47 Part 15 (STM 300C)

1.3 Physical dimensions

STM 300 / STM 300C (pads on bottom side of PCB!)

1@ 0.1% telegram error rate (based on 3 transmitted sub-telegrams)

PCB dimensions STM 300/STM 300C: 22x19x3.1 mm

Weight 1.9 g

Unless otherwise specified dimensions are in mm.

Tolerances:

PCB outline dimensions ±0.2 mm

All other tolerances ±0.1 mm

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USER MANUAL V1.30

STM 300 / STM 300C

1.4 Environmental conditions

Operating temperature -25 °C … +85 °C

Storage temperature -40 °C … +85 °C

Storage temperature in tape & reel package -20 °C … +50 °C

Humidity 0% … 93% r.h., non-condensing

1.5 Ordering Information

Type Ordering Code Frequency

STM 300 S3001-D300 868.3 MHz

STM 300C S3031-D300 315.0 MHz

Suited solar cells (for technical details please refer to the ECS3x0 data sheet):

Type Ordering Code Size

ECS 300 S3005-D305 35.0×12.8×1.1 mm

ECS 310 S3005-D310 50.0×20.0×1.1 mm

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USER MANUAL V1.30

STM 300 / STM 300C

2FUNCTIONAL DESCRIPTION

2.1 Simplified firmware flow chart and block diagram

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USER MANUAL V1.30

STM 300 / STM 300C

2.2 Hardware pin out

The figure above shows the pin out of the STM 300 hardware. The pins are named accord-

ing to the naming of the EO3000I chip to simplify usage of the DOLPHIN API.

The table in section 2.3 shows the translation of hardware pins to a naming that fits the

functionality of the built-in firmware. When writing own firmware based on the DOLPHIN

API please refer to the Dolphin Core Description and use this manual only for information

regarding the module hardware, such as pin out, layout recommendations, charging cir-

cuitry, antenna options, and approvals.

V_OUT

AD_2

AD_1

AD_0

DI_3

DI_2

DI_1

DI_0

GNDGND

CW_1

CW_0

WAKE0

CP_1CP_0

LED

LRN

VDD RF_50

RF_WHIP

VDDLIM

UVDD

IOVDD

RESET

CCO

BALUN

Presence Signal

(every 100th,

every 10th,

every cyclic wake-up

or SW defined)

Spontaneous

wake-up

Cyclic Wake-up

(every 1s ,10s , 100s,

or SW defined)

A/D

Digital

Inputs

Power management Micro

Controller

RF Transceiver

868.3 MHz (STM300)

315.0 MHz (STM300C)

DOLPHIN

EO3000I

16MHz Oscillator

DVDD

SCO

EO3000I

Antenna

balun

XTAL

16MHz

STM300 – TOP VIEW

DVDD

IOVDD

SCSEDIO0

PROG_EN

SCLKDIO1

WSDADIO2

RSDADIO3

GND

UVDD

WXIDIO

WXODIO

WAKE1

RESET

WAKE0

GND

ADIO0

ADIO1

ADIO2

ADIO3

ADIO4

ADIO5

ADIO6

ADIO7

GND

RVDD

GND

RF_50

RF_WHIP

VDDLIM

VDD

GND

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USER MANUAL V1.30

STM 300 / STM 300C

2.3 Pin description and operational characteristics

STM 300

Hardware

Symbol

STM 300

Firmware

Symbol

Function Characteristics

GND GND Ground connection Must be connected to GND

VDD VDD Supply voltage 2.1 V – 4.5 V; Start-up voltage: 2.6 V

Maximum ripple: see 2.6

RVDD

V_OUT

RF supply voltage

regulator output

1.8 V. Output current: max. 10 mA.

See 3.4!

Supply for external circuitry, available

while not in deep sleep mode.

DVDD

Digital supply volt-

age regulator out-

put

1.8 V. Output current: max. 5 mA

Supply for external circuitry, available

while not in deep sleep mode.

UVDD

Ultra low power

supply voltage

regulator output

Not for supply of external circuitry!

For use with WAKE pins, see section 3.3.

Max. 1 µA output current!

VDDLIM

Supply voltage

limiter input

Limitation voltage: 4.5 V

Maximum shunting current: 50 mA

IOVDD

GPIO supply volt-

age

Must be connected to desired interface

supply voltage as specified in 2.5, e.g. to

DVDD. See also 2.3.1

RESET

Reset input

Programming I/F

Active high reset (1.8 V)

Connect external 10 kpull-down.

PROG_EN

Programming I/F HIGH: programming mode active

LOW: operating mode

Digital input, connect external 10 kpull-

down.

ADIO0

AD_0

Analog input Input read ~2 ms after wake-up.

Resolution 8 bit (default) or 10 bit.

See also 2.3.2.

ADIO1 AD_1 Analog input Input read ~2 ms after wake-up.

Resolution 8 bit (default) or 6 bit.

See also 2.3.2.

ADIO2 AD_2 Analog input Input read ~2 ms after wake-up.

Resolution 8 bit.

See also 2.3.2.

ADIO3 DI_0 Digital input Input read ~2 ms after wake-up.

See also 2.3.2.

ADIO4

DI_1

Digital input Input read ~2 ms after wake-up.

See also 2.3.2.

ADIO5 DI_2 Digital input Input read ~2 ms after wake-up.

See also 2.3.2.

ADIO6 DI_3 Digital input Input read ~2 ms after wake-up.

See also 2.3.2.

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USER MANUAL V1.30

STM 300 / STM 300C

ADIO7 LED Transmission

indicator LED

Max. output current:

2 mA @ IOVDD=3.3 V

0.65 mA @ IOVDD=1.8 V

Programming I/F

SCSEDIO0 CW_1

Encoding input for

wake-up cycle

Leave open or connect to GND

Programming I/F

SCLKDIO1

CW_0 Encoding input for

wake-up cycle

Leave open or connect to GND

Programming I/F

WSDADIO2

CP_1 Encoding input for

retransmission

Leave open or connect to GND

Programming I/F

RSDADIO3

CP_0 Encoding input for

retransmission

Leave open or connect to GND

Programming I/F

WXIDIO SCO Sensor control Digital output, max. current 15 µA

HIGH ~x ms before analog inputs are read

(x=0…508 ms; default 2 ms.)

LOW at wake-up and after reading of

analog inputs

Polarity can be inverted, delay time can be

programmed, see 2.8.2.

WXODIO CCO Charge control Max output current 15 µA

See 2.7 for description of behaviour.

WAKE0 WAKE0 Wake input Change of logic state leads to wake-up and

transmission of a telegram. See also 3.3.

WAKE1 LRN LRN input Change of logic state to LOW leads to

wake-up and transmission of teach-in tele-

gram if a manufacturer code is pro-

grammed. See also 2.9.2 and 3.3.

RF_WHIP RF_WHIP RF output Output for whip antenna

RF_50 RF_50 RF output 50 Ohm output for external antenna

2.3.1 GPIO supply voltage

For digital communication with other circuitry (peripherals) the digital I/O configured pins

of the mixed signal sensor interface (ADIO0 to ADIO7) and the pins of the programming

interface (SCSEDIO0, SCLKDIO1, WSDADIO2, RSDADIO3) may be operated from supply

voltages different from DVDD. Therefore an interface supply voltage pin IOVDD is available

which can be connected either to DVDD or to an external supply within the tolerated volt-

age range of IOVDD. Please note that the wristwatch XTAL I/Os WXIDIO and WXODIO are

always supplied from UVDD.

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