Maxim Integrated MAX32664A - Algorithm Settings and Configurations; Table 3. Configurations and Settings-Hr;Spo

Maxim Integrated Page 8 of 15
2.2 Algorithm Settings and Configurations
Table 3 shows the settings that are available for the heart rate (HR)/SpO
2
algorithm. To update
the algorithm settings, be sure to send the appropriate commands BEFORE enabling the
algorithm, as shown in Table 8.
Table 3. Configurations and Settings—HR/SpO
2
FAMILY
BYTE
ALGORITHM
INDEX
CONFIGURATION
INDEX
DESCRIPTION
DEFAULT
VALUE
0x50 for
write
0x51 for
read
0x02 0x0B
SpO
2
calibration coefficients*
100,000 (12 bytes comprised of
three 32-bit signed values)
A = 1.5958422
(0x00026f60)
B = -34.659664
(0xffcb1d12)
C = 112.68987
(0x00abf37b)