Data Sheet

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Part No. : LTR-559ALS-01
BNS-OD-FC002/A4
Optical Sensor
LTR-559ALS-01
PS_CONTR Register (0x81)
The PS_CONTR register controls the PS operation modes. The PS sensor can be set to either standby mode or active
mode. At either of these modes, the I
2
C circuitry is always active. The default mode after power up is standby mode. During
standby mode, there is no PS measurement performed but I
2
C communication is allowed to enable read/write to all the
registers.
PS Saturation Indicator Enable bit is used for enabling the saturation indicator in Bit 7 of PS_DATA register (0x8E).
Field
Bits
Default
Type
Description
Reserved
7:6
00
--
--
MUST write to 00
PS Saturation
Indicator
Enable
5
0
RW
0
Saturation indicator disable
1
Saturation indicator enable
Reserved
4:2
000
--
--
Must be 0
PS Mode
1:0
00
RW
00
Stand-by mode (default)
01
10
Active mode
11
0x81
PS_CONTR (default = 0x00)
B7
B6
B5
B4
B3
B2
B1
B0
Reserved
PS
Saturation
Indicator
Enable
Reserved
PS Mode