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FXLS93421 Datasheet(PDF) 38 Page - NXP Semiconductors

Part # FXLS93421
Description  Dual channel inertial sensor
PDF  254 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

FXLS93421 Datasheet(HTML) 38 Page - NXP Semiconductors

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NXP Semiconductors
FXLS9xxxx
Dual channel inertial sensor
VBUS_I_L_min ≤ (VBUS_I – VSS) ≤ VBUS_I_H_min, TL ≤ TA ≤ TH, ΔT ≤ 25 °C/min, unless otherwise specified
#
Characteristic
Symbol
Min
Typ
Max
Units
Test
notes
Oscillator Training (Section 11.5.1)
10932
Oscillator Training Time
tOscTrain
—
4
—
ms
7, 8
10942
Oscillator Cycles in Training Time
nOSC_4ms_TYP
—
40000
—
1/fOSC
7, 8
10944
Oscillator Training Window
OscTrainWIN
38000
—
42000
1/fOSC
7, 8
10943
Oscillator Training Adjustment Threshold
OscTrainADJ
–400
—
400
1/fOSC
7, 8
10941
Oscillator Training Step Size
OscTrainRES
250
1/fOSC
7, 8
10946
Quiescent Current Settling Time (Power Applied to Iq = IIDLE ± 2 mA)
tSET
—
—
4
ms
7, 9
BUS_I Micro-cut
10931
Survival Time (BUS_I disconnect without Reset, CBUF=1 µF, Bus with 1
slave)
tBUS_I_MICROCUT
30
—
—
µs
7, 9
10952
Reset Time (BUS_I disconnect time to Reset, CBUF=1 µF, Bus with 1
slave)
tBUS_I_RESET
—
—
1000
µs
7, 9
10953
Survival Time (BUS_I disconnect without Reset, CBUF=470 nF, Bus with
1 slave)
tBUS_I_MICROCUT
15
—
—
µs
7, 9
10954
Reset Time (BUS_I disconnect time to Reset, CBUF=470 nF, Bus with 1
slave)
tBUS_I_RESET
—
—
1000
µs
7, 9
BUS_I Undervoltage Detection Delay
10947
BUS_I < VBUS_I_UV_F to IRESP Deactivation
tBUS_I_POR
—
—
5
µs
7
VBUF Undervoltage Detection Delay
10958
VBUF < VBUF_UV_F to IRESP Deactivation
tVBUF_POR
—
—
5
µs
7
10957
Undervoltage/Overvoltage Recovery Delay
tUVOV_RCV
—
100
—
µs
7
VBUF Capacitor Monitor
36817
DSI Command Start to Capacitor Test
tD_CAPTEST
—
3.0
—
µs
7
36821
PSI5 Synchronous Command Start to Capacitor Test
tP_CAPTEST
—
9.2
—
µs
7
36823
PSI5 Asynchronous Response Start to Capacitor Test
tA_CAPTEST
—
179.2
—
µs
7
36822
Capacitor Test Disconnect Time
tCAPTST_TIME
—
1
—
µs
7
Table 43. Dynamic electrical characteristics - supply and support circuitry...continued
11 Functional description
11.1 User accessible data array
A user accessible data array allows for each device to be customized. The array consists
of an OTP factory programmable block, an OTP user programmable block, and read-
only registers for data and device status. The OTP blocks incorporate independent data
verification.
11.1.1 User accessible data - general device information
Bit
Type
Address
Register
7
6
5
4
3
2
1
0
R
$00
COUNT
COUNT[7:0]
R
$01
DEVSTAT
CH0_ERR
CH1_ERR
COMM_ERR
MEMTEMP_ERR
SUPPLY_ERR
TESTMODE
DEVRES
DEVINIT
R
$02
DEVSTAT1
VBUFUV_ERR
BUSINUV_ERR
VBUFOV_ERR
RESERVED
INTREGA_ERR
INTREG_ERR
INTREGF_ERR
CONT_ERR
R
$03
DEVSTAT2
F_OTP_ERR
U_OTP_ERR
U_RW_ERR
U_W_ACTIVE
TEMP1_ERR
TEMP0_ERR
RESERVED
RESERVED
Table 44. User accessible data - general device information
FXLS9xxxx
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 6 — 8 February 2021
38 / 254



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