mlx90609 Melexis Company, mlx90609 Datasheet - Page 13
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mlx90609
Manufacturer Part Number
mlx90609
Description
Angular Rate Sensor
Manufacturer
Melexis Company
Datasheet
1.MLX90609.pdf
(22 pages)
Bit15
Bit15
There are three SPI commands that are used to control embedded ADC of the MLX90609: STATR,
ADCC and ADCR.
•
Every instruction sent to the MLX90609 has an answer. If the MLX90609 is not able to accept the
instruction a refusal answer will be transmitted out. This answer has a unique format which is
shown in the
understand a possible reason for the instruction rejection.
Bit15
•
• • • •
• • • •
390109060901
Rev 008
Bit15
AD10…AD0
0
0
1
0
5.3.1 ADC Instructions and Answers
The Refusal Answer
Command of the Status Reading (STATR)
Command of the ADC Control (ADCC)
Command of the ADC Reading (ADCR)
Bit 7
Bit 7
Bit 7
1
1
1
Bit14
Bit14
Bit14
OPC
Bit14
X
X
X
Table 9. Format of the ADCC command (The answer is the same as for the STATR command)
Bit13
Bit13
EOC
EOC
Bit13
EOC
Bit13
A result of the AD-conversion. These bits are valid only when EOC bit is set.
EOC
Table
Bit 6
Bit 6
Bit 6
0
0
0
Bit12
Bit12
Bit12
7. The refusal answer is the only one that has a set MSB. The other bits help to
Bit12
X
X
X
X
Bit11
Bit11
Bit11
AD10
X
X
Bit11
X
Bit 5
Bit 5
Bit 5
0
0
0
Bit10
Bit10
BUSY
Bit10
X
Table 8. Format of the STATR command
X
Table 10. Format of the ADCR command
Bit10
AD9
Table 7. Refusal answer format
Bit 9
Bit 9
X
X
Bit 9
Bit 9
AD8
X
Bit 4
Bit 4
Bit 4
0
Bit 8
1
Bit 8
0
Page 13 of 22
Refusal answer
X
X
Bit 8
Angular Rate Sensor (Standard version)
Bit 8
AD7
X
Instruction
Instruction
Instruction
Answer
Answer
Answer
Bit 7
Bit 7
X
X
Bit 7
Bit 7
AD6
X
CHAN
Bit 3
Bit 3
Bit 3
1
Bit 6
Bit 6
0
X
X
Bit 6
Bit 6
AD5
X
MLX90609
Bit 5
Bit 5
X
X
Bit 5
Bit 5
AD4
X
ADEN
Bit 2
Bit 2
Bit 2
Bit 4
Bit 4
0
0
X
X
Bit 4
Bit 4
AD3
X
CHAN
CHAN
Bit 3
Bit 3
Bit 3
Bit 3
AD2
X
Bit 1
Bit 1
Bit 1
0
0
0
ADEN
ADEN
Bit 2
Bit 2
Bit 2
Bit 2
AD1
X
Data Sheet
February/08
Bit 1
Bit 1
Bit 1
Bit 1
AD0
X
X
X
Bit 0
Bit 0
Bit 0
0
0
0
Bit 0
Bit 0
Bit 0
Bit 0
X
X
X
0