Intelyt orporated ICHIMEV20 Wireless radio module using 802.15.4 User Manual iCHIMEQuickStartManual Rev2

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iControl Incorporated
http://www.iControl‐Inc.com
iCHIME Module
Operating Manual
Background.
The iCHIME is 2.4GHz bi‐directional radio transceiver. A User may configure the device to operate as a
Radio Frequency Identification Device (RFID) to support tracking shipping containers in a worldwide
supply chain using the Marine Asset Tag Tracking System (MATTS) communication protocol. An iCHIME
module utilizes a low power, wireless, radio operating in the 2.4 GHz band as its primary mode of
communication. The wireless radio operates in compliance with IEEE Standard 802.15.4‐2006. The
iCHIME utilizes the same radio, processor, and User interface software as iControl’s iTAG module. The
iCHIME also supports the same command list as iControl’s iTAG module. The iCHIME is User
configurable to periodically transmit the iCHIME’s status using a data interface available via the User
connector. The module may operate as stand alone device or may be used as a radio transceiver for
devices that communicate data as a part of a larger system.
The User interface for the module is a twenty (20) pin connector on the bottom of the module.
iTAG Repeater for
iCHIME modules
iCHIME Reader utilizing an
Internal iCHIME Module
iCHIME Module
Figure 1 iCHIME and Related Devices
iControl Incorporated
http://www.iControl‐Inc.com
iCHIME Radio Operation.
The iCHIME is controlled via a serial port interface (RS232 UART) for initial configuration and checkout.
All commands for controlling the iCHIME radio are identified in the iTAG Command List. Once a User as
completed the initial iCHIME configuration, complete control and operation of the iCHIME can be
accomplished through the radio interface using the same commands available in the iTAG Command
List.
The radio in the iCHIME is normally operated in a power saving mode with the receiver periodically
enabled and “listening” for commands or data requests. A key element to the power saving mode is
the principle of “tag‐talks‐last”. In this mode, battery power is conserved by only responding to
messages that are sent directly to the specific iCHIME MAC address or mutual broadcast address. For a
majority of iCHIME operation, the iCHIME is in a deep power saving mode (~98% of the time). The
iCHIME will only transmit when it receives a properly encrypted message while its receiver is active.
The encrypted message directed to the iCHIME may include information about which channel the
iCHIME uses for further transmissions. Once, the communication parameters are exchanged, there will
typically be a period a several seconds of active radio transmission as the iCHIME relays data. The data
transmitted may either be security data destined for government servers, and/or commercial data
destined for the end customer. This data may originate from internal flash storage or it may be received
and relayed from another compatible device.
Other Features.
In addition to the wireless radio, the iCHIME provides other features for system integration.
1. Two RS‐232 serial UARTs are available for the User to communicate to the module from
secondary systems to transmit data via the radio transceiver. The User has complete control for
setting the baud rate, data interval and packet format for data transmission.
2. The iCHIME hosts eight channels of 13 bit resolution Analog to Digital conversion. These inputs
can be used to monitor external sensors attached to the iCHIME (temperature, pressure,
vibration, etc.) . The iCHIME user interface includes command and data handling support to
issue alarms or automate behavior based on thresholds for these input.
3. There is an onboard temperature sensor integrated with iCHIME. The default iCHIME data
packet includes the temperature data.
iControl Incorporated
http://www.iControl‐Inc.com
Functional Block Diagram.
The iCHIME module integrates a low power microprocessor and a 2.4Ghz radio . The iCHIME module
also includes a software User interface for radio control and data transmission. Additionally, the
iCHIME can retrieve User data via the two serial UARTs or provide up to 8 channels of analog to digital
data.
Note: Please note that the iCHIME uses the same command list as the iTAG command list . For iCHIME
command and control, please refer to the iTAG Command List for a complete description of commands
that control the iCHIME module.
The iCHIME module is equipped with an integrated trace antenna rated at 3.0 dBi. Most embedded
mobile applications will utilize the integral antenna provided with the iCHIME module.
Optionally, a micro coax connector may be utilized to connect external antenna to the iCHIME module.
iControl can provide iCHIME modules with external antenna connectors that are certified and licensed
for external antenna operations.
NOTE: Users may not modify the antenna or it’s connection in anyway or risk violating radio law.
Figure 2 iCHIME Block Diagram
iControl Incorporated
http://www.iControl‐Inc.com
Absolute Maximum Ratings.
Under no circumstances must the absolute maximum ratings giving in this table be violated. Stress
exceeding one or more of the limiting values may cause permanent damage to the device.
Parameter
Min
Max
Supply Voltage
-0.3
6.0
Voltage on any digital pin
-0.3
3.6
10
dBm
Input RF level
Units Condition
Storage temperature range
-50
150
Operating ambient temperature
-40
85
All supply pins must have same voltage
Figure 3 Maximum Ratings
iControl Incorporated
http://www.iControl‐Inc.com
General Characteristics.
iControl Incorporated
http://www.iControl‐Inc.com
iCHIME Radio Specification (Transmit).
iControl Incorporated
http://www.iControl‐Inc.com
iCHIME Radio Specification (Receive).
iControl Incorporated
http://www.iControl‐Inc.com
OEM Installation Instruction:
An OEM integrator utilizes the 2x10 x2mm pin header connector on the bottom of the iCHIME. To
apply power, utilize serial data, and connect to analog interfaces, the OEM must provide a 2x10 x
2mm pin socket on their integrating electronics.
Interface Specification.
The interface diagram noted below is for the mating connector on the User’s electronics. All interfaces
to the radio are buffered to prevent User interface electronics from interfering with the operation of the
radio.
(Top View) Users Mating Connector for
iCHIME Module
PIN
10
11
12
13
14
15
16
17
18
19
20
Name
GND
Analog 7
Analog 4
Analog 6
Analog 5
VIN
TXDB
RXDB
TXDA
RXDA
P1_1
P1_0
P2_0
PBReset
P2_2
P2_1
Analog 3
Analog 0
Analog 2
Analog 1
Type
PWR
PWR
Output
Input
Output
Input
I/O
I/O
I/O
Input
I/O
I/O
Description
Ground
Analog Channel 7 (0-3.3 V input)
Analog Channel 4 (0-3.3 V input)
Analog Channel 6 (0-3.3 V input)
Analog Channel 5 (0-3.3 V input)
3.3-6.0 V input
Serial Port B transmit output (0-3.3V)
Serial Port B receive input (0-3.3V)
Serial Port A transmit output (0-3.3V)
Serial Port A receive input (0-3.3V)
General Purpose I/O (0-3.3 V input)
General Purpose I/O (0-3.3 V input)
General Purpose I/O (0-3.3 V input)
Reset Pin, Active low, if not used keep float
General Purpose I/O (0-3.3 V input)
General Purpose I/O (0-3.3 V input)
Analog Channel 3 (0-3.3 V input)
Analog Channel 0 (0-3.3 V input)
Analog Channel 2 (0-3.3 V input)
Analog Channel 2 (0-3.3 V input)
iControl Incorporated
http://www.iControl‐Inc.com
Module Mechanical Specification.
The iCHIME module is manufactured on a 0.062” thick FR4 PCB substrate. There are four 0.10”
mounting holes which may be used to secure the module in an enclosure or to mount on a host
motherboard. All radio components are integrated under a mechanically secure, tamperproof RF
shield.
iCHIME Module Mechanical Dimensions (in inches)
iControl Incorporated
http://www.iControl‐Inc.com
Module Unique Address Identification.
Each iCHIME module is assigned a unique 8 byte MAC address by iControl Incorporated. The MAC
address is used for radio network address identification. The MAC address can not be modified by the
User and is located in protected flash memory. Figure 5 depicts the communication protocol between
iControl iCHIME and the iGATE reader. The communication protocol utilizes a unique 8 byte MAC
address defined by the IEEE 802.15.4 standard.
In Figure 5,
The iCHIME address is (0x0035A923000000002).
The iGATE address is (0x0035A9230A010203)
Figure 10
iControl Incorporated
http://www.iControl‐Inc.com
FCC Compliance:
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.
Troubleshooting:
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:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
4. Consult the dealer or an experienced radio/TV technician.
Conditions:
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.
Markings:
To satisfy FCC exterior labeling requirements the following text must be placed on the exterior of the
product.
Contains Module FCC ID: FCC ID: W2E‐ICHIMEV20
iControl Incorporated
http://www.iControl‐Inc.com
FCC Warnings:
Modifications: Modifications not expressly approved by the manufacturer could void the user’s
authority to operate the equipment under FCC Rules.
Radio Frequency Exposure:
Notes:
1) For mobile or fixed location transmitters the minimum separation distance is 20cm, even if calculators
indicate the MPE distance is less.
2) This equipment has been evaluated in accordance with the FCC bulletin 56 “Hazards of radio
frequency and electromagnetic fields” and bulletin 65 “ Human exposure to radio frequency and
electromagnetic fields.
3) Safe operation in an uncontrolled environment will result if the following distances from the device
are maintained as a minimum.

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Title                           : Microsoft Word - iCHIMEQuickStartManual Rev2.doc
Author                          : ffuellenbach

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