What is the Device Interface Definition of MEMS North Seeker

Cost-Efficient Triaxial MEMS North Seeker

1.Application Products

ER-MNS-05 Triaxial MEMS North Seeker

ER-MNS-06 Smallest Size Triaxial MEMS North Seeker

2.Data Interface

The data update rate is 200Hz, and the baud rate is 230,400bps. Each frame contains 61 bytes, including 1 start bit (0), 8 data bits, and 1 stop bit (1). The specific data format is shown in the following table:

Table 1 Format of received data frames

Bytes (total 60 bytes)	The data content	added
1 ~ 4	The frame header	EB8055AA
5 ~ 8	X gyro data	A dimensionless numeric quantity FLOAT
9 ~ 12	Y gyro data	A dimensionless numeric quantity FLOAT
13 ~ 16	Z gyro data	A dimensionless numeric quantity FLOAT
17 ~ 20	X plus table data	A dimensionless numeric quantity FLOAT
21 ~ 24	Y plus table data	A dimensionless numeric quantity FLOAT
25 ~ 28	Z plus table data	A dimensionless numeric quantity FLOAT
29 ~ 32	latitude	First low then high, 0.000001°
33 ~ 36	longitude	First low then high, 0.000001°
37 ~ 40	highly	First low then high, 0.000001m
41 ~ 44	counter	First low then high, 10ms
45 ~ 46	Pitching Angle	First low then high, 0.01°
47 ~ 48	roll	First low then high, 0.01°
49 ~ 50	Heading azimuth	First low then high, 0.01°
51 ~ 52	North speed	First low then high, 0.01m/s
53 ~ 54	Day rate	First low then high, 0.01m/s
55 ~ 56	East speed	First low then high, 0.01m/s
57	state	0xA1 aligned, 0xB1 held
58	The frame tail	0x00
59	The frame tail	0xFF
60	The frame tail	0x34
61	And inspection	Sum of all bytes except EB 80 and itself