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IMX95CEC Datasheet(PDF) 56 Page - NXP Semiconductors

Part # IMX95CEC
Description  i.MX 95 Applications Processors Data Sheet for Commercial Products
PDF  124 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

IMX95CEC Datasheet(HTML) 56 Page - NXP Semiconductors

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The PDM microphones must meet the setup and hold timing requirements shown in the following table. The "k" factor value in
Table 53 depends on the selected quality mode as shown in Table 54.
Table 53. PDM timing parameters
Parameter
Value
trs, tfs
≤ floor (k x CLKDIV) -1 / PDM_CLK_ROOT rate
[1]
trh, tfh
≥ 0
[1] Depending on K value, user must make sure floor (K x CLKDIV) > 1 to avoid timing problems.
Table 54. K factor value
Quality factor
K factor
High Quality
1/2
Medium Quality, Very Low Quality 0
1
Low Quality, Very Low Quality 1
2
Very Low Quality 2
4
Figure 19 illustrates the timing requirements for the PDM.
PDM_CLK
trs
tfs
PDM_DATAn
Left
Data
High
Impedance
Right
Data
High
Impedance
Left
Data
High
Impedance
Right
Data
Data
Impedance
Data
Impedance
Data
Impedance
Data
trh
tfh
Left
Data
High
Impedance
Right
Data
Right
Data
High
Impedance
High
Impedance
Left
Data
Figure 19. PDM input/output timing requirements
4.9.4 Medium Quality Sound (MQS) electrical specifications
Medium quality sound (MQS) is used to generate medium quality audio via a standard GPIO in the pinmux, allowing the user to
connect stereo speakers or headphones to a power amplifier without an additional DAC chip. Two outputs are asynchronous PWM
pulses and their maximum frequency is 1/32 x mclk_frequency.
NXP Semiconductors
IMX95CEC
i.MX 95 Applications Processors Data Sheet for Commercial Products
IMX95CEC
All information provided in this document is subject to legal disclaimers.
© 2026 NXP B.V. All rights reserved.
Product data sheet
Rev. 8 — 7 April 2026
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