ISL29038 Datasheet, PDF (9/15 Pages) Xicor Inc. – Low Power Ambient Light and Proximity Sensor with Enhanced Infrared Rejection

ISL29038
TABLE 1. ISL29038 CONFIGURATION AND CONTROL REGISTERS (Continued)
ADDRESS
POWER-ON REGISTER BIT
(HEX) REGISTER NAME DEFAULT ACCESS FIELDS
FUNCTION
NAME/VALUE
FUNCTION
RO
[7]
PROX_INT_FLG Proximity Interrupt Flag
[1]
Proximity Interrupt Event
[0]
No Proximity Interrupt Event
RW
[6:5]
PROX_PRST
Proximity Interrupt Reporting Persistency
[00]
INT after 1 Proximity Flag Event
[01]
INT after 2 Consecutive Proximity Flag Event
[10]
INT after 4 Consecutive Proximity Flag Event
[11]
INT after 8 Consecutive Proximity Flag Event
RO
[4]
PWR_FAIL
Power Failure (Brown-out) Alarm
[1]
Brown-Out Detected
[0]
Normal Operation
RO
[3]
ALS_INT_FLG
Ambient Light Sensor Interrupt Flag
[1]
ALS Interrupt Flag Event
[0]
No ALS Interrupt Flag Event
RW
[2:1]
ALS_INT_PRST ALS Interrupt Reporting Persistency
[00]
INT after 1 ALS Flag Event
[01]
INT after 2 Consecutive ALS Flag Event
[10]
INT after 4 Consecutive ALS Flag Event
[11]
INT after 8 Consecutive ALS Flag Event
RW
[0]
INT_CFG
Interrupt Output (Pin) Configuration
[1]
Interrupt if ALS and PROX Event
[0]
Interrupt if ALS or PROX Event
0x05
PROX_INT_TL 0x00
RW
[7:0]
PROX_INT_TL
Proximity Interrupt LOW threshold
0x06
PROX_INT_TH 0xFF
RW
[7:0]
PROX_INT_TH
Proximity Interrupt HIGH threshold
0x07
ALS_INT_TL
0x00
RW
[7:0]
ALS_INT_TL1
ALS Interrupt LOW threshold bit[11:4]
0x08
ALS_INT_TLH 0x0F
RW
[7:0]
ALS Interrupt LOW/HIGH threshold bits
[7:4]
ALS_INT_TL0
ALS Interrupt LOW threshold bit[3:0]
[3:0]
ALS_INT_TH1
ALS Interrupt HIGH threshold bit[11:8]
0x09
ALS_INT_TH
0xFF
RW
[7:0]
ALS_INT_TH0
ALS Interrupt HIGH threshold bit[7:0]
0x0A
PROX_DATA
RO
[7:0]
PROX_DATA
Proximity Data (Unsigned Binary)
0x0B
ALS_DATA_HB
RO
[7:0]
ALS_DATA_HB
ALS Data HIGH Byte
[7:4]
Set to 0000
[3:0]
ALS Data Bit[11:8]
0x0C
ALS_DATA_LB
RO
[7:0]
ALS_DATA_LB
ALS Data Bit[7:0]
0x0D
PROX_AMBIR
RO
[7:0]
PROX_AMBIR
Proximity Mode Ambient IR Measurement
[7:1]
Proximity Mode Ambient IR Component
RO
[0]
PROX_WASH
Proximity Washout Status
[1]
Proximity Washout Detected
[0]
Normal Proximity Operation
0x0E
Config3
0x00
[7:0]
SoftReset
Software Reset
0x38
Initiate Soft Reset
0x00
Normal operation
9
FN7851.0
October 12, 2012