Computime CTL3573A ZigBee Module User Manual USER manual

ZigBee-Ready RF Transceiver Module

(IEEE 802.15.4)

CTL3570/1/2/3

The reproduction of this datasheet is NOT allowed without approval of Computime Limited. All information and data

contained in this datasheet are subject to change without notice. This publication supersedes and replaces all information

previously supplied. Computime has no responsibility to the consequence of using the information described in this

document.

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

Revision

Rev. Date

(DD-MM-YYYY)

History

1 18-09-2011

First Release

2 04-11-2011 Update Pin assignment

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

Table of Contents

1. General Description...................................................................................................................................... 0

2. Applications .................................................................................................................................................. 0

3. Features ....................................................................................................................................................... 0

4. Absolute Maximum Ratings.......................................................................................................................... 1

5. Recommended Operating Conditions .......................................................................................................... 1

6. Electrical Specifications................................................................................................................................ 1

7. Typical application block .............................................................................................................................. 3

8. Pin Assignment............................................................................................................................................. 3

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

10. Block Diagram......................................................................................................................................... 11

11. RF Frequency Detail............................................................................................................................... 13

12. PCB Layout Recommendations.............................................................................................................. 13

13. Mechanical Dimensions.......................................................................................................................... 14

14. Modules Differentia................................................................................................................................. 15

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

1. General Description

The CTL357x RF Transceiver Module is compact surface mounted Module specially designed for

Ember ZigBee™ protocol stack for wireless networks, EmberZNet, based on IEEE 802.15.4

standard in the 2.4GHz world-wide ISM band. The complete module is only 32.4 x 25.4 x 4.1 mm. It

integrated a 2.4GHz, IEEE 802.15.4-2003 compliant transceiver with a 32-bit network processor

(ARM Cortex-M3 Processor). It contains embedded Flash and integrated RAM for program and data

storage. It utilizes the non-intrusive SIF module for powerful software debugging and programming

of the network processor.

2. Applications

Home

automation &

building control

Home

appliances &

alarms

Monitoring of

remote

systems

Security

systems &

lighting

controls

Sensor data

capture in

embedded

networks

3. Features

 Complete ZigBee-ready module with integrated PCB antenna

 Integrated IEEE 802.15.4 PHY and MAC layer

 Non-intrusive debug interface (SIF)

 SPI interface for communication and controlled by the Host using the EmberZNet Serial Protocol

(EZSP)

 Internal RC oscillator for timer

 High performance direct sequence spread spectrum (DSSS) RF transceiver

 16 channels in the 2.4 GHz ISM band

 On-chip regulator for 2.1-3.6V operation , three sleep low power modes

 32-bit ARM® Cortex™-M3 processor

 192KB FLASH ROM and 12KB RAM (EM357 internal) ,8Mb off chip Flash memory

(CTL3571&CTL3573)

 +5dBm transmission power (Boost mode up to +8dBm)

 -98dBm excellent reception sensitivity. (Boost mode -101dBm)

 Small footprint: 32.4 x 25.4 x 4.1 mm

 Extremely low Deep Sleep Current.

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

4. Absolute Maximum Ratings

Parameter Test Conditions Min. Max. Unit

Regulator input voltage (VDD_PADS) -0.3 +3.6 V

RF Input Power

(for max level for correct packet reception)

RX signal into a lossless balun +15 dBm

Voltage on any GPIO (PA[7:0], PB[7:0],

PC[7:0]), SWCLK, nRESET,

VREG_OUT

-0.3 VDD_PADS

+0.3

V

Voltage on any GPIO pin (PA4, PA5, PB5,

PB6, PB7, PC1), when used as an input to the

general purpose ADC with the low voltage

range selected

-0.3 2.0 V

Voltage on OSCA, OSCB, NC -0.3 VDD_PADSA

+0.3

V

Storage temperature -40 +140 °C

5. Recommended Operating Conditions

Parameter Test Conditions Min. Typ. Max. Unit

Regulator input voltage (VDD_PADS) 2.7 3.6①V

Operating temperature range 0 +70②°C

6. Electrical Specifications

T=25℃, VCC = 3.0V, Fo =2450MHZ, if nothing else stated.

Parameter Condition / Note Min Typ. Max Unit

Operating frequency Programmable in 5MHz steps, 5 MHz

steps for IEEE 802.15.4 compliance 2.4 2.5 GHz

Number of channels For IEEE 802.15.4 compliance 16

Channel spacing For IEEE 802.15.4 compliance 5 MHz

Input/output impedance 50 Ohm

Frequency stability +/-40 ppm

Transmit power Programmable from firmware -55 8 dBm

① Regulator input voltage from 2.1 to 3.6V for module CTL3570 and CTL3572.

② Operationg temperature range from -40 to 85°C for module CTL3570 and CTL3572.

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

Parameter Condition / Note Min Typ. Max Unit

Sensitivity

PER = 1% PER, 20byte packet

defined by IEEE 802.15.4 Boost

mode

-98 dBm

Adjacent channel rejection +/-5 MHz IEEE 802.15.4 compliance at -82

dBm 35/35 dB

Adjacent channel rejection +/-10 MHz IEEE 802.15.4 compliance at -82

dBm 40/40 dB

Co-channel rejection -6 dB

Supply voltage 2.7 3.6 ③ V

Max RX sensitivity (normal mode) 28 mA

Current consumption,

RX mode Max RX sensitivity (boost mode) 30 mA

Current consumption,

TX mode 42 mA

Deep sleep current 5.0④ μA

Flash Memory 192⑤ KB

MCU clock frequency 24 MHz

③ Supply voltage from 2.1 to 3.6V for module CTL3570 and CTL3572.

④ Deep sleep current less than 8 uA for module CTL3571 and CTL3573.

⑤ Only CTL3571 and CTL3573 have 8Mb off chip flash memory on the RF module.

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

7. Typical application block

Figure 1: Example of application circuit

8. Pin Assignment

Figure 2: CTL357x pin assignment

CTL357x

RF Module

VDD_PADS=2.7- 3.6V

Debug and

programming

interface

HOST

MCU

NREST

PTI_EN

PTI-DATA

SIF_CLK

SIF-MISO

SIF-MOSI

NSIF_LOAD

SDBG

LINK_ACTIVITY

8Mb flash

24MHz

32.768kHz

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

9. Pin Description

Pin# CTL3570 CTL3571 CTL3572 CTL3573 Direction Description

1 JTCK JTCK JTCK JTCK I

JTAG clock input from

debugger

SWCLK SWCLK SWCLK SWCLK I/O

Serial Wire Clock input/output

with debugger

PC2 PC2 PC2 PC2 I/O

Digital I/O Enable with

GPIO_DBGCFG[5]

JTDO JTDO JTDO JTDO O

JTAG data out to debugger

2

SWO SWO SWO SWO O

Serial Wire Output

asynchronous trace output to

PC3 PC3 PC3 PC3 I/O

Digital I/O Enable with

GPIO_DBGCFG[5]

3

JTDI JTDI JTDI JTDI I

JTAG data in from debugger

PC4 PC4 PC4 PC4 I/O

Digital I/O Either Enable with

GPIO_DBGCFG[5]

JTMS JTMS JTMS JTMS I

JTAG mode select from

debugger

4

SWDIO SWDIO SWDIO SWDIO I/O

Serial Wire bidirectional data

to/from debugger

PC0 PC0 PC0 PC0

I/O High

current

Digital I/O Either Enable with

GPIO_DBGCFG[5]

JRST JRST JRST JRST I JTAG reset input from debugger

IRQD IRQD IRQD IRQD I

Default external interrupt source

D

5

TRACEDATA1 TRACEDATA1 TRACEDATA1 TRACEDATA1 O Synchronous CPU trace data bit

1

PB7 PB7 PB7 PB7

I/OHigh

current

Digital I/O

6

ADC2 ADC2 ADC2 ADC2 Analog

ADC input 2

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

IRQC IRQC IRQC IRQC I

Default external interrupt source

C

TIM1C2 TIM1C2 TIM1C2 TIM1C2 O Timer 1 channel 2 output

TIM1C2 TIM1C2 TIM1C2 TIM1C2 I Timer 1 channel 2 input

PB6 PB6 PB6 PB6

I/O High

current

Digital I/O

ADC1 ADC1 ADC1 ADC1 Analog

ADC input 1

IRQB IRQB IRQB IRQB I

External interrupt source B

TIM1C1 TIM1C1 TIM1C1 TIM1C1 O Timer 1 channel 1 output

7

TIM1C1 TIM1C1 TIM1C1 TIM1C1 I Timer 1 channel 1 input

Pin# CTL3570 CTL3571 CTL3572 CTL3573 Direction Description

PA7 PA7 PA7 PA7

I/O High

current

Digital I/O Disable REG_EN

with GPIO_DBGCFG [4]

TIM1C4 TIM1C4 TIM1C4 TIM1C4 O Timer 1 channel 4 output

TIM1C4 TIM1C4 TIM1C4 TIM1C4 I Timer 1 channel 4 input

8

REG_EN REG_EN REG_EN REG_EN O External regulator open drain

output

PC1 PC1 PC1 PC1 I/O Digital I/O

ADC3 ADC3 ADC3 ADC3

Analog ADC input 3

SWO SWO SWO SWO O

Serial Wire Output

asynchronous trace output to

9

TRACEDATA0 TRACEDATA0 TRACEDATA0 TRACEDATA0 O Synchronous CPU trace data

bit 0

10 GND GND GND GND

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

PB3 PB3 PB3 PB3 I/O

Digital I/O

TIM2C3 TIM2C3 TIM2C3 TIM2C3 O Timer 2 channel 3 output

TIM2C3 TIM2C3 TIM2C3 TIM2C3 I Timer 2 channel 3 input

SC1nCTS SC1nCTS SC1nCTS SC1nCTS I UART CTS handshake of

Serial Controller 1

SC1SCLK SC1SCLK SC1SCLK SC1SCLK O SPI master clock of serial

Controller 1

11

SC1SCLK SC1SCLK SC1SCLK SC1SCLK I SPI slave clock of serial

Controller 1

12 GND GND GND GND

PC6 PC6 I/O Digital I/O

OSC32B OSC32B I/O 32.768KHz crystal oscillator

13

NTX_ACTIVE NTX_ACTIVE O Inverted TX_ACTIVE signal

PC7 PC7 I/O

Digital I/O

OSC32A OSC32A I/O 32.768KHz crystal oscillator

14

OSC32_EXT OSC32_EXT I Digital 32.768KHz clock input

source

15 PC5 PC5 PC5 PC5 I/O Digital I/O

16 VDD_PADS VDD_PADS VDD_PADS VDD_PADS Power Pads supply(2.1-3.6V)

17 nRESET nRESET nRESET nRESET I Active low chip reset(internal

pull-up)

Pin# CTL3570 CTL3571 CTL3572 CTL3573 Direction Description

18 PA0 PA0 PA0 PA0 I/O Digital I/O

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

TIM2C1 TIM2C1 TIM2C1 TIM2C1 O Timer 2 channel 1 output

TIM2C1 TIM2C1 TIM2C1 TIM2C1 I Timer 2 channel 1 input

SC2MOSI SC2MOSI SC2MOSI SC2MOSI O SPI master data out of serial controller

2

SC2MOSI SC2MOSI SC2MOSI SC2MOSI I SPI slave data in of serial controller 2

SI SI I Serial data in for 8Mb flash⑥

PA1 PA1 PA1 PA1 I/O Digital I/O

TIM2C3 TIM2C3 TIM2C3 TIM2C3 O Timer 2 channel 3 output

TIM2C3 TIM2C3 TIM2C3 TIM2C3 I Timer 2 channel 3 input

SC2SDA SC2SDA SC2SDA SC2SDA I/O TWI data of serial controller 2

SC2MISO SC2MISO SC2MISO SC2MISO O SPI slave data out of serial controller 2

SC2MISO SC2MISO SC2MISO SC2MISO I SPI master data in of serial controller 2

19

SO SO O Serial data out of 8Mb flash

PA2 PA2 PA2 PA2 I/O Digital I/O

TIM2C4 TIM2C4 TIM2C4 TIM2C4 O Timer 2 channel 4 output

TIM2C4 TIM2C4 TIM2C4 TIM2C4 I Timer 2 channel 4 input

SC2SCL SC2SCL SC2SCL SC2SCL I/O TWI clock of serial controller 2

20

SC2SCLK SC2SCLK SC2SCLK SC2SCLK O SPI master clock of serial controller 2

⑥ The SI,SO,SCK and CE# on the module pin18,19,20 and 23 are connected to the off chip 8Mbit SPI Serial

Flash(SST25VF080B).Details information about the flash memory ,refers to its datasheet. It applys to the module

CTL3571 and CTL3573.

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

SC2SCLK SC2SCLK SC2SCLK SC2SCLK I SPI slave clock of serial controller 2

SCK SCK I Clock in for 8Mb flash

PA6 PA6 PA6 PA6 I/O High

current Digital I/O

TIM1C3 TIM1C3 TIM1C3 TIM1C3 O Timer 1 channel 3 output

21

TIM1C3 TIM1C3 TIM1C3 TIM1C3 I Timer 1 channel 3 input

PB4 PB4 PB4 PB4 I/O Digital I/O

TIM2C4 TIM2C4 TIM2C4 TIM2C4 O Timer 2 channel 4 output

TIM2C4 TIM2C4 TIM2C4 TIM2C4 i Timer 2 channel 4 input

SC1nRTS SC1nRTS SC1nRTS SC1nRTS O UART RTS handshake of serial

controller 1

22

SC1nSSEL SC1nSSEL SC1nSSEL SC1nSSEL I SPI slave select of serial controller 1

Pin# CTL3570 CTL3571 CTL3572 CTL3573 Direction Description

PA3 PA3 PA3 PA3 I/O

Digital I/O

SC2Nssel SC2Nssel SC2Nssel SC2Nssel I SPI slave select of serial

controller 2

TRACECLK TRACECLK TRACECLK TRACECLK O Synchronous CPU trace

clock

TIM2C2 TIM2C2 TIM2C2 TIM2C2 O Timer 2 channel 2 output

TIM2C2 TIM2C2 TIM2C2 TIM2C2 I Timer 2 channel 2 input

23

CE# CE# I Chip Enable of 8Mb falsh

24 PA4 PA4 PA4 PA4 I/O

Digital I/O

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

ADC4 ADC4 ADC4 ADC4 Analog ADC input 4

PTI_EN PTI_EN PTI_EN PTI_EN O Frame signal of packet trace

interface

TRACEDATA2 TRACEDATA2 TRACEDATA2 TRACEDATA2 O Synchronous CPU trace data

bit 2

PA5 PA5 PA5 PA5 I/O

Digital I/O

ADC5 ADC5 ADC5 ADC5 Analog ADC input 5

PTI_DATA PTI_DATA PTI_DATA PTI_DATA O Data signal of packet trace

interface

NBOOTMODE NBOOTMODE NBOOTMODE NBOOTMODE I Embedded serial bootloader

activation out of reset

25

TRACEDATA3 TRACEDATA3 TRACEDATA3 TRACEDATA3 O Synchronous CPU trace data

bit 3

PB1 PB1 PB1 PB1 I/O

Digital I/O

SC1MISO SC1MISO SC1MISO SC1MISO O SPI slave data out of serial

controller 1

SC1MOSI SC1MOSI SC1MOSI SC1MOSI O SPI master data out of serial

controller 1

SC1SDA SC1SDA SC1SDA SC1SDA I/O TWI data of serial controller 1

SC1TXD SC1TXD SC1TXD SC1TXD O UART transmit data of serial

controller 1

TIM2C1 TIM2C1 TIM2C1 TIM2C1 O Timer 2 channel 1 output

26

TIM2C1 TIM2C1 TIM2C1 TIM2C1 I Timer 2 channel 1 input

Pin# CTL3570 CTL3571 CTL3572 CTL3573 Direction Description

27 PB2 PB2 PB2 PB2 I/O

Digital I/O

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

SC1MISO SC1MISO SC1MISO SC1MISO I SPI master data in of serial controller 1

SC1MOSI SC1MOSI SC1MOSI SC1MOSI I SPI slave data in of serial controller 1

SC1SCL SC1SCL SC1SCL SC1SCL I/O TWI clock of serial controller 1

SC1RXD SC1RXD SC1RXD SC1RXD I UART receive data of serial controller

1

TIM2C2 TIM2C2 TIM2C2 TIM2C2 O Timer 2 channel 2 output

TIM2C2 TIM2C2 TIM2C2 TIM2C2 I Timer 2 channel 2 input

PB5 PB5 PB5 PB5 I/O

Digital I/O

ADC0 ADC0 ADC0 ADC0 Analog ADC input 0

TIM2CLK TIM2CLK TIM2CLK TIM2CLK I Timer 2 external clock input

28

TIM1CLK TIM1CLK TIM1CLK TIM1CLK I Timer 1 external clock mask input

PB0 PB0 PB0 PB0 I/O

Digital I/O

VREF VREF VREF VREF Analog O ADC reference output

VREF VREF VREF VREF Analog I ADC reference input

IRQA IRQA IRQA IRQA I External interrupt source A

TRACECLK TRACECLK TRACECLK TRACECLK O Synchronous CPU trace clock

TIM1CLK TIM1CLK TIM1CLK TIM1CLK I Timer 1 external clock input

29

TIM2MSK TIM2MSK TIM2MSK TIM2MSK I Timer 2 external clock mask input

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

10. Block Diagram

CTL3570

CTL3571

Integrated antenna

TO HOST

MCU

32 Bit ARM Processor

User

Application

ZigbeeTM

Network

IEEE 802.15.4

MAC

IEEE 802.15.4

RF Transceiver

2.7 – 3.6V

8Mb flash

24MHz

Integrated antenna

TO HOST

MCU

32 Bit ARM Processor

User

Application

ZigbeeTM

Network

IEEE 802.15.4

MAC

IEEE 802.15.4

RF Transceiver

2.1 – 3.6V

24MHz

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

CTL3572

CTL3573

Figure 3: Block Diagram

Integrated antenna

TO HOST

MCU

32 Bit ARM Processor

User

Application

ZigbeeTM

Network

IEEE 802.15.4

MAC

IEEE 802.15.4

RF Transceiver

2.7 – 3.6V

8Mb flash

32.768kHz

24MHz

Integrated antenna

TO HOST

MCU

32 Bit ARM Processor

User

Application

ZigbeeTM

Network

IEEE 802.15.4

MAC

IEEE 802.15.4

RF Transceiver

2.1– 3.6V

32.768kHz

24MHz

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

11. RF Frequency Detail

The following table shows the RF channels as defined by the IEEE 802.15.4 standard.

RF channel Frequency

11 2405MHz

12 2410MHz

13 2415MHz

14 2420MHz

15 2425MHz

16 2430MHz

17 2435MHz

18 2440MHz

19 2445MHz

20 2450MHz

21 2455MHz

22 2460MHz

23 2465MHz

24 2470MHz

25 2475MHz

26 2480MHz

12. PCB Layout Recommendations

Please reference Mechanical Dimensions shown in next section for PCB layout.

The area underneath the module should be covered with solder mask in order to prevent short

circuit on the test pads on the back side of the module. A solid ground plane under the module is

preferred.

As the module integrated with onboard PCB trace antenna, the mounting position of the module will

have great impact on the RF performance. There should not be any trace, ground plane or metal

part underneath or nearby the area of the onboard PCB trace antenna. The figure below shows an

example how the module positioned on the mother PCB.

Figure 4: A recommended placement of the module on a main PCB

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

13. Mechanical Dimensions

Figure 5: Mechanical Dimensions of CTL357x

.8

Recommended PCB footprint

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

14. Modules Differentia

Computime Model No. 32kHz Crystal 8Mbit Flash Memory

CTL3570 N N

CTL3571 N Y

CTL3572 Y N

CTL3573 Y Y

FCC STATEMENT

Part 15.19

1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference.

(2) This device must accept any interference received, including interference that may cause undesired

operation.

Part 15.21

2. Changes or modifications not expressly approved by the party responsible for compliance could void the

user's authority to operate the equipment.

Part 15.105

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against

harmful interference in a residential installation.

This equipment generates uses and can radiate radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio communications. However, there is

no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be determined by turning the equipment off and on, the

user is encouraged to try to correct the interference by one or more of the following measures:

　 Reorient or relocate the receiving antenna.

　 Increase the separation between the equipment and receiver.

　 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

　 Consult the dealer or an experienced radio/TV technician for help.

Part 2.1091

For purposes of this section, a mobile device is defined as a transmitting device designed to be used in other

than fixed locations and to generally be used in such a way that a separation distance of at least 20

centimeters is normally maintained between the transmitter's radiating structure(s) and the body of the user or

nearby persons. In this context, the term “fixed location” means that the device is physically secured at one

location and is not able to be easily moved to another location. Transmitting devices designed to be used by

consumers or workers that can be easily re-located, such as wireless devices associated with a personal

computer, are considered to be mobile devices if they meet the 20 centimeter separation requirement.

If the FCC identification number is not visible when the module is installed inside another

device, then the outside of the device into which the module is installed must also display a

label referring to the enclosed module. This exterior label can use wording such as the

following: “Contains Transmitter Module FCC ID: DI2-CTL3573A

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

Canada information:

This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the

following two conditions:

(1) this device may not cause interference, and (2) this device must accept any interference, including

interference that may cause undesired operation of the device.

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de

licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de

brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le

brouillage est susceptible d'en compromettre le fonctionnement.

IC RF warning statement

This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment.

This equipment should be installed and operated with minimum distance 20cm between the radiator &

your body.

If the IC identification number is not visible when the module is installed inside another

device, then the outside of the device into which the module is installed must also display a

label referring to the enclosed module. This exterior label can use wording such as the

following: “Contains Transmitter Module IC: 1700D-CTL3573A

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type

and maximum (or lesser) gain approved for the transmitter by Industry Canada.

To reduce potential radio interference to other users, the antenna type and its gain should be so chosen

that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful

communication.

ZigBee- Ready RF Transceiver Module CTL3570/1/2/3

Contact information

COMPUTIME CORPORATE HQ

17/F, Great Eagle Centre,

23 Harbour Road, Wanchai,

Tel: +852.2260.0300

Fax: +852.2790.3996

e-mail: hq@computime.com

COMPUTIME NORTH AMERICA HQ,

4700 Duke Dr.

Suite 200

Mason OH 45040

USA

Tel: +1(513).398.2579

Fax: +1(513).754.8955

e-mail: na@computime.com

CINCINNATI WIRELESS SOLUTIONS LTD

4700 Duke Dr.

Suite 200

Mason OH 45040

USA

Tel: +1(513).754.8935

Fax: +1(513).754.8955

e-mail: ctws@computime.com

COMPUTIME JAPAN

3-18-9 Roppongi Minatoku,

Tokyo 106-0032,

Japan

Tel: (03).3583.8411

Fax: (03).3583.3799

e-mail: cj@computime.com

About Computime

Founded in 1974, Computime is a global technology, brand and manufacturing company

providing innovative automation and control solutions to customers in commercial, industrial

and consumer markets.

The Company provides technologies and products that save energy and make people's

lives more productive and comfortable.

Computime CTL3573A ZigBee Module User Manual USER manual

Computime Limited ZigBee Module USER manual

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