Maxim Integrated MAX32664 - Page 27

Maxim Integrated Page 27 of 52
HOST COMMAND
MAX32664
FAMILY NAME
DESCRIPTION
FAMILY
BYTE
INDEX
BYTE
WRITE BYTES
RESPONSE BYTES
Algorithm
Configuration
MaximFast
algorithm: Set the
MaximFast SpO
2
coefficients.
(MAX32664GWEA)
0x50
0x02
0x0B, four bytes signed
integer A, four bytes signed
integer B, four bytes signed
integer C (32-bit integers
which are the coefficients
times 100,000)
The MAXREFDES220#
without the cover glass uses
the following coefficients as
the default values:
A = 159584
B = -3465966
C = 11268987
-
Algorithm
Configuration
WHRM algorithm:
Enable automatic
exposure control
(AEC) algorithm.
(MAX32664GWEB)
0x50
0x02
0x0B, 0x00: Disable
0x0B, 0x01: Enable
-
Algorithm
Configuration
WHRM algorithm:
Enable skin contact
detection (SCD)
algorithm.
(MAX32664GWEB)
0x50
0x02
0x0C, 0x00: Disable
0x0C, 0x01: Enable
-
Algorithm
Configuration
WHRM algorithm: Set
adjusted target photo
detector (PD) current
period in seconds.
(MAX32664GWEB)
0x50
0x02
0x0D, MSB, LSB (unsigned 16-
bit integer)
-
Algorithm
Configuration
WHRM algorithm: Set
SCD debounce
window.
(MAX32664GWEB)
0x50
0x02
0x0E, MSB, LSB (unsigned 16-
bit integer)
-
Algorithm
Configuration
WHRM algorithm: Set
motion magnitude
threshold in 0.1g.
(MAX32664GWEB)
0x50
0x02
0x0F, MSB, LSB (unsigned 16-
bit integer)
-
Algorithm
Configuration
WHRM algorithm: Set
the minimum PD
current in 0.1mA.
(MAX32664GWEB)
0x50
0x02
0x10, MSB, LSB (unsigned 16-
bit integer)
-
Algorithm
Configuration
WHRM algorithm:
Configure the source
of the PPG signal for
the PD.
(MAX32664GWEB)
0x50
0x02
0x11, 0x01: PD1
0x11, 0x02: PD2
0x11, 0x03: PD1 and PD2
-
Algorithm
Configuration
Blood Pressure
Trending (BPT)
algorithm: Set if the
user is on blood
pressure medication.
(MAX32664GWED)
0x50
0x04
0x00, 0x00: Not using blood
pressure (BP) medication
0x00, 0x01: Using BP
medication
-