User Manual

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ATZB-S1-256-3-0-C ZigBit 2.4GHz Single chip Wireless Module [DATASHEET]

42191AWIRELESS10/2013

4.1 Handling Instructions

The ZigBit Modules are fixed with an EMI Shield to ensure compliance to Emission and Immunity rules. This shield is

galvanic and NOT air tight. So cleaning of the module with IPA / other similar agents is not advised. Humidity protection

coating (conformal) will cause deviated RF behavior and coating material being trapped inside EMI Shield. So this

should be avoided. For products requiring conformal coating, it is advised to suitably mask the ZigBit before applying

the coating to rest of the ZigBit carrier board. To protect ZigBit from humidity, the housing of the product should ensure

suitable Ingress Protection standards are complied with.

The MS-147 connector should never be exposed to Varnish / similar conformal coating material which will affect

electrical connection on the surfaces of connector.

The in-built chip antenna has been tuned for the particular design

4.2 General Recommendations

 Metal enclosure should not be used. Using low profile enclosure might also affect antenna tuning

 Placing high profile components next to antenna should be avoided

 Having holes/vias punched around the periphery of the board eliminates parasitic radiation from the board edges

also distorting antenna pattern

 ZigBit module should not be placed next to consumer electronics which might interfere with ZigBit's RF frequency

band

5. Persistence Memory

A dedicated memory space is allocated to store product specific information and called the Persistence Memory. The

organization of the persistence memory is as follows:

Table 5-1. Persistence Memory

Data

Size

Structure Revision

2 bytes

MAC address

(1)

8 bytes

Board information overall

49 bytes

Board information – PCBA Name

30 bytes

Board information – PCBA Serial number

10 bytes

Board information – PCBA Atmel Part Number

8 bytes

Board information – PCBA Revision

1 byte

Xtal Calibration Value

1 byte

Reserved

7 bytes

Reserved

4 bytes

CRC

1 byte

Note: 1 The MAC address stored inside the MCU is a uniquely assigned ID for each ZigBit and owned by Atmel.

User of the ZigBit application can use this unique MAC ID to address the ZigBit in end-applications. The MAC ID

can be read from the ZigBit using the Performance Analyzer Application that can be downloaded from