MLX75030 Datasheet, PDF (28/72 Pages) Melexis Microelectronic Systems – Universal ActiveLight Sensor Interface

MLX75030 Universal ActiveLight Sensor Interface
Datasheet
Status flag
Bit 7 (MSB)
Bit 6..5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
Status when bit is set
Previous Command was invalid
Power State:
11 = (reserved)
10 = Normal Running Mode
01 = Stand-by State
00 = Sleep State
Sleep Request was sent
Standby Request was sent
Device is in TestMode
Internal Oscillator is enabled (Standby Mode or
Normal Running Mode)
Critical Error occurred
Status when bit is clear
Previous Command was valid
No Sleep Request available
No Standby Request available
Device is not in TestMode
Internal Oscillator is shut down (Sleep
Mode)
No Error is detected
Table 12 : Internal Status Flags as given in the Data1 Byte
Table 13 : Instruction set of the Active light sensor summarizes the instruction set of the sensor.
A detailed explanation of these different commands is given in Section 7.2.2.
Symbol Command Description Control1 Byte Control2 Byte Control3 Byte
NOP
CR
RSLP
CSLP
RSTBY
CSTBY
NRM
SM
SD
RO
WR
RR
Idle Command
Chip Reset
Request Sleep
Confirm Sleep
Request Standby
Confirm Standby
Normal Running Mode
Start Measurement
Start Diagnostics
Start Read-Out
Write Register
Read Register
0000 0000
1111 0000
1110 0001
1010 0011
1110 0010
1010 0110
1110 0100
1101 R₂R₁R₀T
1011 0000
1100 0011
1000 0111
1000 1110
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
M₆..M₃ M₂M₁M₀P
M₆..M₃ M₂M₁M₀P
0000 0000
D₇..D₀
A₃..A₀ 0000
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
A₃..A₀ P₁P₀00
0000 0000
Table 13 : Instruction set of the Active light sensor
Besides the above instruction set, there are some test commands available for production test purposes.
To prevent unintentional access into these test modes, it requires multiple commands before the actual test mode is
entered.
REVISION 005 – DECEMBER 2013
3901075030
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