MLX75030 Datasheet, PDF (34/72 Pages) Melexis Microelectronic Systems – Universal ActiveLight Sensor Interface

MLX75030 Universal ActiveLight Sensor Interface
Datasheet
The table below shows the Output Data Frame when all measurements are selected :
Data
Byte
Number
Byte 3
Byte 4
Byte 5
Output Data Frame Contents
Temperature (8 MSB)
Temperature (8 LSB)
Ambient light channel C measurement (8 MSB)
Byte 6
Ambient light channel C measurement (8 LSB)
Byte 7
Ambient light channel D measurement (8 MSB)
Byte 8
Byte 9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Ambient light channel D measurement (8 LSB)
not used
not used
DC measurement of IR channel A, before the active light burst measurement
(8 MSB)
DC measurement of IR channel A, before the active light burst measurement
(8 LSB)
DC measurement of IR channel B, before the active light burst measurement
(8 MSB)
DC measurement of IR channel B, before the active light burst measurement
(8 LSB)
Byte 15
Active light burst measurement of IR channel A (8 MSB)
Byte 16
Active light burst measurement of IR channel A (8 LSB)
Byte 17
Active light burst measurement of IR channel B (8 MSB)
Byte 18
Byte 19
Byte 20
Byte 21
Byte 22
Byte 23
Active light burst measurement of IR channel B (8 LSB)
DC measurement of IR channel A, after the active light burst measurement (8
MSB)
DC measurement of IR channel A, after the active light burst measurement (8
LSB)
DC measurement of IR channel B, after the active light burst measurement (8
MSB)
DC measurement of IR channel B, after the active light burst measurement (8
LSB)
CRC (8 bit)
Table 16 : SM Output Data Frame
Comments
Depends on M6
Depends on M6
Depends on M5
+ on EN_CH_C
Depends on M5
+ on EN_CH_C
Depends on M5
+ on EN_CH_D
Depends on M5
+ on EN_CH_D
Depends on M4
Depends on M4
Depends on M4
Depends on M4
Depends on M1
+ LED selection
depends on M3/M2
Depends on M1
+ LED selection
depends on M3/M2
Depends on M0
+ LED selection
depends on M3/M2
Depends on M0
+ LED selection
depends on M3/M2
Depends on M4
Depends on M4
Depends on M4
Depends on M4
Output always
When certain measurements are disabled, the corresponding data bytes are omitted from the Output Data Frame.
REVISION 005 – DECEMBER 2013
3901075030
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