u-blox ZED-F9P Interface Description - Manual
Advance Information
Preface
1 Document Overview
The Interface Description is a reference describing the messages used by the u-blox receiver and is organized by
the specific NMEA, UBX, and RTCM messages.
2 Firmware and Protocol Versions
The protocol version defines a set of messages that are applicable across various u-blox products. Each
firmware used by a u-blox receiver supports a specific protocol version, which is not configurable.
The following sections will explain how to decode the shown information to get the firmware and the protocol
version.
2.1 How to Determine the Version and the Location of the Firmware
The u-blox receiver can run a firmware from two different locations:
• Internal ROM
• External Flash memory
The location and the version of the currently running firmware can be found in the boot screen or in the UBX-
MON-VER message.
For firmware supporting Protocol Version 24 and above:
• Boot screen, Protocol Version 24 and above
• UBX-MON-VER, Protocol Version 24 and above
2.1.1 Decoding the Boot Screen (for Protocol Version 24 and Above)
Boot screen for a u-blox receiver running from Flash:
Possible lines in the boot screen and their meanings:
Entry Description
u-blox AG - www.u-blox.com Start of the boot screen
HW UBX 9 00190000 Hardware version of the u-blox receiver (u-blox 9 receiver)
EXT CORE 1.00 (61ce84) Firmware version 1.00 running from Flash (revision number)
ROM BASE Underlying firmware version in ROM (revision number)
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