Microhard Systems P900 - Revision History

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Revision History
Revision Description Initials Date
1.0 Draft PEH Mar 2013
1.1 Firmware v1.0 PEH Sept 2013
1.2 Official Release. Firmware v1.0. Added PTP, PMP Modes PEH Sept 2013
1.21 Added Pad Landing and Solder Mask/Paste diagrams, expanded Mesh
description, modified pins descriptions, added AT command firmware
upgrade, misc formatting corrections.
PEH Sept 2013
1.22 Misc Corrections PEH Feb 2014
1.3 Added RS485 Support (S142). Firmware required v1.06. PEH July 2014
1.4 Update for firmware v1.09 SG/PEH Dec 2014
1.5 Update for firmware v1.10—Added link rate 57.6 kbps, minor bugs
fixed. Added register S225 - Compression (must be set to zero for com-
patibility with older versions).
SG/PEH Jan 2015
1.6 Update for firmware v1.11 - Added link rate 115.2 kbps. Added AT&S3
to enable RS485 driver.
PEH Jan 2015
1.7 Update for firmware v1.14 - Removed AT&S3, Added AT&K1 to use
CTS to control the Transmitter of RS485 driver chip.
PEH Aug 2015
1.8 Added P900-ENC drawings, connectors and LED descriptions PEH Sept 2015
1.81 Added P900-ENC Optional mounting Bracket. Misc updates. PEH Oct 2015
1.8.2 Modified description of S232. PEH Jan 2016
1.8.3 Updated Enclosed DB9 RS232/485 Pins. PEH Feb 2016
1.8.4 Added S159, S177 for AES Encryption PEH Feb 2016
1.8.5 Pin corrections PEH Feb 2016
1.8.6 Added MST reflow and baking instructions, misc corrections. PEH June 2016
1.8.7 Added Pico-MHX Adapter Board PEH June 2016