User's Manual

COMPANY CONFIDENTIAL
35
Revision
Date / Author
Details of Change
Reason for Change
(061312)
2012 / SHs
CX870-3B, 3H, 3I, 3J shaded.
bottom shield, so modules without a bottom
shield are now marked as "NOT TO BE USED
FOR NEW/STANDARD MP DESIGNS" by
shading the rows in the Ordering Guide table for
those modules with no bottom shield.
V2.6
(050812)
May 8, 2012 /
SHs
Removed entries in ‘8MByte NOR’ column for
modules 3A, 3B, 3D, 3DS in Section 4 Ordering
Guide
Correction.
V2.5
(042212)
April 22, 2012
/ SHs
Updated title of Section 7.2.1 Side View of
CX870 Module with Bottom Shield to include
“…except CX870-3JB”
Reflect addition of separate section (7.2.2) for
the CX870-3JB module.
Added Section 7.2.2 Side View of CX870
Module with Bottom Shield part number
CX870-3JB only
CX870-3JB has thinner bottom shield than other
modules.
V2.4
(032312)
March 23,
2012 / SHs
Added IC PIN entry for MIICRS in J3 Low
Density Connector table in Section 8.2.2
Connector PIN Assignments.
CX module uses DM870A.
Changed "MMIICRS" to "MIICRS" in Section
8.2.3 GPIO Assignments.
Correction.
Changed "MMIICRS" to "MIICRS" in J3 Low
Density Connector table in Section 8.2.2
Connector PIN Assignments.
Correction.
Changed "MMIICRS" to "MIICRS" in GPIO table
in Section 8.2.1 Pin Descriptions.
Correction.
Added important note text to Tx Power row in
Section 5.3 WiFi Specification.
To indicate which modules the Tx Power
specifications relate to.
Removed the ‘m’ from "+/-1dBm" in the Tx
Power row in Section 5.3 WiFi Specification.
Correction.
V2.4
(031712)
March 17,
2012 / SHs
In Section 5.3 WiFi Specifications, updated
Transmission Speed entry
Add missing 2Mbps speed.
In Section 4 Ordering Guide, changed all
occurrences of DM870 to DM870A & DM860 to
DM860A
CX module uses DM870A.
In Section 2 Block Diagram, changed all
occurrences of DM870 to DM870A & DM860 to
DM860A
CX module uses DM870A.
In Section 1 Introduction, changed all
occurrences of DM870 to DM870A & DM860 to
DM860A
CX module uses DM870A.
In Section 8.2.1 Pin Descriptions, changed all
occurrences of DM870 to DM870A
CX module uses DM870A.
In the Notes for Section 8.2.1 Pin Descriptions,
changed dat_DM870_16_datasheet.pdf to
DM870A DS rev. 1.3_12-15-11.pdf
CX module uses DM870A.
Changed all occurrences of DM870 to DM870A
throughout the datasheet.
CX module uses DM870A.
Updated J1, J2 & J3 tables in Section 8.2.2
Connector PIN Assignments, changing DM870
to DM870A.
CX module uses DM870A.
Changed "WiFi (on-module PCB diversity)"
column heading to "Internal PCB Diversity
Antennas" in Section 4 Ordering Guide
Improve clarity of meaning.
Added ‘FCC’ to North America in Frequency
Band entry in Section 5.3 WiFi Specification
Specify North American WiFi regulatory
certification body.
Updated TX EVM entry in Section 5.3 WiFi
Specifications
Update values to better reflect actual
performance.
Updated Rx Sensitivity entry in Section 5.3 WiFi
Specifications
Update values to better reflect actual
performance.
Updated Tx Power entry in Section 5.3 WiFi
Specifications
Show test conditions.