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Maxim Integrated
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2.2 Algorithm Settings and Configurations
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 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)