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FXLS93421 Datasheet(PDF) 182 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) 182 Page - NXP Semiconductors

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NXP Semiconductors
FXLS9xxxx
Dual channel inertial sensor
D1
D2
...
D32
ID11
D11
ID12
D12
...
ID1k
D1k
ID21
D21
ID22
D22
...
ID2k
D2k
...
ID321 D321 ID322 D322
...
ID32k D32k
Repeat k times
Repeat k times
...
Repeat k times
Table 265. PSI5 initialization phase 2 data transmission order
The Initialization phase 2 time is calculated using Equation 17.
(17)
Where:
TransNibble
 
k
Data Fields
tS-S
=
 
=
=
=
# of Transmissions per Data Nibble
2: 1 for ID, and 1 for Data
The repetition rate for the data fields
32 data fields or 48 data fields (if INIT2_EXT is set)
Sync Pulse Period
13.4.2.1 PSI5 initialization phase 2 data transmissions
In PSI5 initialization phase 2, the device transmits a sequence of sensor specific
configuration and serial number information. The transmission data is in conformance
with the PSI5[5] specification, and AKLV27[3]. Unique data content is transmitted for each
channel. The data content and transmission format is shown in Table 267 and Table 268.
Table 266 shows the phase 2 timing for different operating modes. Times are calculated
using the equation in Section 13.4.2.
Operating mode
Repetition rate (k)
# of transmissions
Nominal phase 2 time
Asynchronous Mode (228 µs)
8
512
116.7 ms
Synchronous Mode (500 µs)
4
256
128.0 ms
Table 266. Initialization phase 2 time
PSI5
field ID #
PSI5
nibble ID #
Page
address
PSI5 nibble address
Register address
PSI5 description
Value
F1
D1
0000
USERDATA_0[3:0]
User Specific Data
User
F2
D2, D3
0001, 0010
NA
Number of Data Blocks: 32: INIT2_EXT = 0, 48:
INIT2_EXT = 1
0010 0000
or
0011 0000
F3
D4, D5
0011, 0100
USERDATA_1[3:0], USERDATA_1[7:4]
User Specific Data
User
F4
D6, D7
0101, 0110
USERDATA_2[3:0], USERDATA_2[7:4]
User Specific Data
User
D8
0111
USERDATA_3[3:0]
User Specific Data
User
F5
D9
1000
USERDATA_3[7:4]
User Specific Data
User
D10
1001
USERDATA_4[3:0]
User Specific Data
User
F6
D11
1010
USERDATA_4[7:4]
User Specific Data
User
D12
1011
USERDATA_5[3:0]
User Specific Data
User
D13
1100
USERDATA_5[7:4]
User Specific Data
User
F7
D14
1101
USERDATA_6[3:0]
User Specific Data
User
D15
1110
USERDATA_7[3:0]
User Specific Data
User
D16
0
1111
USERDATA_7[7:4]
User Specific Data
User
D17
0000
USERDATA_8[3:0]
User Specific Data
User
F8
D18
1
0001
USERDATA_8[7:4]
User Specific Data
User
Table 267. Channel 0 PSI5 initialization phase 2 data
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
182 / 254



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