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ACM Data Sheet - November 7, 2013 - Version 1.3 Revision 3
Table of Contents
1 Overview.......................................................................................................................................................3
1.1 Description............................................................................................................................................3
1.2 Benefits.................................................................................................................................................3
1.3 Features................................................................................................................................................4
2 Hardware.......................................................................................................................................................4
2.1 Space Requirements.............................................................................................................................4
2.2 Pinout....................................................................................................................................................5
2.3 Electrical Characteristics......................................................................................................................8
2.4 UART Configuration..............................................................................................................................9
2.5 Antenna...............................................................................................................................................10
3 External Flash and SPI - Usage and Requirements...................................................................................10
4 SKU Nomenclature.....................................................................................................................................11
5 Label Nomenclature....................................................................................................................................11
6 ACM Development Kits and Additional Documentation.............................................................................11
7 FCC NOTICE...............................................................................................................................................12
8 IC NOTICE...................................................................................................................................................12
9 Document Information.................................................................................................................................13
9.1 Document Versioning..........................................................................................................................13
9.2 Revision History...................................................................................................................................14
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ACM Data Sheet - November 7, 2013 - Version 1.3 Revision 3
1 Overview
The ACM (“Arrayent Connect Module”, “ACM”, or “Module” for short) is a family of surface-mount modules
for enabling consumer products to communicate wirelessly to the Arrayent Connect Platform, a global
Platform-as-a-Service (PaaS) for connected products.
1.1 Description
The ACM is physically composed of an integrated crystal, internal voltage regulator, matching circuitry,
and filtering. The ACM is based on the CC1110 SoC from Texas Instruments. It measures 0.75 by 0.885
inches and is intended for use as a surface-mount module to be soldered on to the PCB of a consumer
product.
The ACM's energy-aware algorithms support long battery life. When powered by three AA batteries, the
ACM by itself can sustain power for over twelve months.
The ACM has received regulatory approval for modular devices in the United States (FCC), Canada (IC),
and Europe (ETSI).
1.2 Benefits
The ACM has been optimized to connect low-cost consumer products to the Arrayent Connect Platform.
Benefits include:
• Fast time to market
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ACM Data Sheet - November 7, 2013 - Version 1.3 Revision 3
• Low-power consumption: 2.2uA when sleeping, 165uA when operating normally
• Minimal RF and computer networking experience necessary
• 100% RF-tested in production
• Easy to implement on a two-layer PCB
• Supports whole-house coverage (line of sight range: 150 meters, 10 dBm power output)
• FCC 15.247a2 / 15.249, IC RSS-201 certified
• Compliant with ETSI EN 300 328
1.3 Features
Features of the ACM include:
• 2.3V to 5.5V input
• Three antenna options: external coaxial antenna, wire antenna via through-hole antenna port, and
PCB antenna via ACM pin (PCB antenna option will require additional FCC certification testing)
• Efficient UART interface
• Operates in unlicensed ISM bands (915 MHz in United States, 868MHz in European Union)
2 Hardware
This chapter describes the various hardware requirements and characteristics of the ACM.
2.1 Space Requirements
The ACM is designed to be surface-mounted on a carrier board. The ACM requires 0.75 by 0.855 inches
of space on your carrier board.
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ACM Data Sheet - November 7, 2013 - Version 1.3 Revision 3
2.2 Pinout
The main interface between the ACM and the Client MCU are the electrical pins of the ACM.
If a pin is not noted in the table below, then it should be considered reserved for internal use and should
not be connected to the circuit of the carrier board.
In the table below, direction is from the perspective of the ACM (input = client MCU ACM, output = →
ACM client MCU).→
Pin # Required Function Direction Description
1-7, 14,
23, 34-
36, 37,
x ACM Ground Connected to carrier board ground. Best practice is
to connect all pins to ground. At minimum, customer
should connect one ground from each corner to
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