Data Sheet

Register Maps and Descriptions
REGISTER B7 B6 B5 B4 B3 B2 B1 B0
REG
ADDR
POR
STATE
R/W
STATUS
Interrupt
Status 1
A_FULL
DATA_
RDY
ALC_
OVF
PROX_
INT
PWR_
RDY
0x00 0X00 R
Interrupt
Status 2
DIE_TEMP
_RDY
0x01 0x00 R
Interrupt
Enable 1
A_FULL_
EN
DATA_
RDY_EN
ALC_
OVF_EN
PROX_
INT_EN
0x02 0X00 R/W
Interrupt
Enable 2
DIE_TEMP
_RDY_EN
0x03 0x00 R/W
FIFO
FIFO Write
Pointer
FIFO_WR_PTR[4:0] 0x04 0x00 R/W
Overow
Counter
OVF_COUNTER[4:0] 0x05 0x00 R/W
FIFO Read
Pointer
FIFO_RD_PTR[4:0] 0x06 0x00 R/W
FIFO Data
Register
FIFO_DATA[7:0] 0x07 0x00 R/W
CONFIGURATION
FIFO
Conguration
SMP_AVE[2:0]
FIFO_
ROLL
OVER_EN
FIFO_A_FULL[3:0] 0x08 0x00 R/W
Mode
Conguration
SHDN RESET MODE[2:0] 0x09 0x00 R/W
SpO
2
Conguration
0
(Reserved)
ADC_RGE
[1:0]
SR[2:0] LED_PW[1:0] 0x0A 0x00 R/W
RESERVED 0x0B 0x00 R/W
LED Pulse
Amplitude
LED1_PA[7:0] 0x0C 0x00 R/W
LED2_PA[7:0] 0x0D 0x00 R/W
LED3_PA[7:0] 0x0E 0x00 R/W
RESERVED 0x0F 0x00 R/W
Proximity Mode
LED Pulse
Amplitude
PILOT_PA[7:0] 0x10 0x00 R/W
Multi-LED
Mode Control
Registers
SLOT2[2:0] SLOT1[2:0] 0x11 0x00 R/W
SLOT4[2:0] SLOT3[2:0] 0x12 0x00 R/W
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Maxim Integrated │ 11
MAX30105 High-Sensitivity Optical Sensor
for Smoke Detection Applications