NEO-8Q / NEO-M8 - Hardware Integration Manual
UBX-15029985 - R04 Production Information Migration to u-blox 8 / M8 modules
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SPI MISO /
Configuration
Pin. Leave open
if not used.
Power Mode
Configuration
Pin / SPI Clock.
Leave open if
not used.
No difference for DDC. If pin 2 low = SPI chip
select
No difference for DDC. If pin 2 low = SPI clock
No difference for UART. If pin 2 low = SPI MISO
No difference for UART. If pin 2 low = SPI MOSI
Check current in Data Sheet
If on u-blox 6 module this was connected to GND,
no problem to do the same in u-blox M8/8.
Supply voltage
NEO-
6Q/M/P/V/T:
2.7 – 3.6 V
Supply voltage
NEO-8Q / NEO-
M8:
2.7 – 3.6 V
Table 4: Pin-out comparison NEO-6 vs. NEO-8Q and NEO-M8 series
Make sure that the RF path (antenna and filtering) matches that of the GNSS constellations used.
3.3 Software migration
For an overall description of the module software operation, see the u-blox 8 / u-blox M8 Receiver
Description including Protocol Specification [4]
For migration, see the u-blox M8 FW SPG3.01 Migration Guide [9].