Chip configuration

  Radio frequency channel

6 channels RF input. Each channel can be configured

  Baseband channel

288

  processor

Integrated dual-core high-performance processor

  memorizer

PSRAM 64Mb, flash 64Mb

  clock

10MHz/26MHz Input clock Optional

  Chip interface

The seven-channel UART supports common baud rates and flexible configuration of data, parity, and stop bits

2-channel SPI master, maximum speed 80M

1 SPI slave with a maximum speed of 50M

1 channel I2C, supporting standard, fast and high-speed modes

The two-channel CAN supports CAN 2.0B and CAN FD

1 10/100M Ethernet MAC with external RMII PHY

1 RTC interface, supporting external 32.768kHz crystals

1 Indicates the EVENT interface

1 PPS interface

Performance index

  Pick up the star frequency

BDS

B1I/B2I/B3I/B1C/B2a/B2b

GPS

L1 /L2C/L5

GLONASS

L1/L2

Galileo

E1/E5a/E5b

   Update rate

Raw data

10Hz

5 Hz(pen integrated navigation)

RTK positioning

10Hz

5 Hz(pen integrated navigation)

Combined positioning

-

100 Hz(pen integrated navigation)

  Single point positioning accuracy

plane

≤1.5m(1σ)

elevation

≤3.0m (1σ)

  DGNSS accuracy

plane

≤3m+10ppm(RMS)

elevation

≤0.6m+1.0ppm(RMS)

  RTK accuracy

plane

≤1cm+1.0ppm(1σ)

elevation

≤2cm+1.0ppm(1σ)

  Combined navigation estimation accuracy（1km or 2min）

2%×distance traveled

  Timing accuracy

≤20ns(RMS)

  1PPS second pulse

Width of rising edge

≤10ns

Pulse width

20µs±200ns，configurable

  Velocity measurement accuracy

                                                          ≤0.05m/s(RMS)

  Cold start time

                                                          ≤35s

  Hot start time

                                                          ≤5s

  Recapture time

                                                          ≤1s

  RTK initialization time

                                                          (<10km baseline)

Physical characteristics

  dimension

                                                          7 mm×7mm×1.2mm

  encapsulation

                                                          LFBGA

Environmental index

  Operating temperature

                                                          -40℃~+85℃