Maxim Integrated MAX32664 - Output FIFO Format Definitions

Maxim Integrated Page 35 of 52
Table 76 defines the bit fields of the sensor hub status byte.
Table 67. Sensor Hub Status Byte
BIT
7
6
5
4
3
2
1
0
Field
Reserved
DevBusy
FifoInOverInt
FifoOutOvrInt
DataRdyInt
Err2
Err1
Err0
Table 8, 7 defines the output FIFO format for the Read Output FIFO I
2
C message for
MAX32664GWEA/B/C/D..
Table 87. Output FIFO Format Definitions
SENSOR OR ALGORITHM
SIZE
(BYTES)
DESCRIPTION
MAX30101
(MAX32664GWEA, MAX32664GWED)
3
LED1 value: 24-bit. IR LED count.
3
LED2 value: 24-bit. Red LED count.
3
LED3 value: 24-bit (N/A).
3
LED4 value: 24-bit (N/A).
MAX86140/MAX86141
(MAX32664GWEB)
3
Seq1Data valueLED1 value: 24-bit. Green LED, PD1 count.
3
Seq2Data value: LED2 value: 24-bit (N/A)..
3
Seq3Data value: LED3 value: 24-bit (N/A)..
3
Seq4DataLED4 value: 24-bit. Green LED, PD2 count.
3
Seq5DataLED5 value: 24-bit (N/A)..
3
Seq6DataLED5 value: 24-bit (N/A)..
MAX86141
(MAX32664GWEC)
3
Seq1Data value: 24-bit (N/A).
3
Seq2Data value: 24-bit (N/A).
3
Seq3Data value: 24-bit (N/A).
3
Seq4Data value: 24-bit.Red LED count.
3
Seq5Data value: 24-bit. IR LED count.
3
Seq6Data value: 24-bit (N/A).
MAX30205
(MAX32664GWEB)
2
Temperature value: 16 bits, LSB = 0.00390625°C.
MAX30001
(MAX32664GWEB)MAX30001
3
ECG: 24-bit.
3
R-to-R: 24-bit.
3
BIOZ: 24-bit.
3
PACE: 24-bit.
KX-122 Accelerometer
(MAX32664GWEA, MAX32664GWEB,
MAX32664GWEC)
2
X: 16-bit two's compliment. LSB = 0.001g
2
Y: 16-bit two's compliment. LSB = 0.001g
2
Z: 16-bit two's compliment. LSB = 0.001g
AGC Algorithm
0
No output from algorithm.
AEC Algorithm
0
No output from algorithm.
WHRM/MaximFast
2
Heart Rate (bpm): 16-bit, LSB = 0.1 bpm
1
Confidence level (0 - 100%): 8-bit, LSB = 1%
2
SpO
2
value (0 - 100%): 16-bit, LSB = 0.1%
1
WHRM State Machine Status Codes (signed 8-bit):
0: Success
+1: Not ready
-1: Object detected
-2: Excessive sensor device motion
-3: No object detected
-4: Pressing too hard
-5: Object other than finger detected
-6: Excessive finger motion