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IMX93CEC Datasheet(PDF) 20 Page - NXP Semiconductors

Part # IMX93CEC
Description  i.MX 93 Applications Processors Data Sheet for Commercial Products
PDF  123 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

IMX93CEC Datasheet(HTML) 20 Page - NXP Semiconductors

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Table 16 shows the maximum frequency of external clock.
Table 16. Audio external clock frequency
Parameter Description
Symbol
Low drive
mode
Nominal mode
Overdrive
mode
Unit
EXT_CLK maximum frequency
fext_clk[1]
133
200
200
MHz
[1] Audio EXT_CLK signal muxed on either pin SD2_VSELECT or PDM_BIT_STREAM1.
Table 17 shows the external input clock for OSC32K.
Table 17. RTC_OSC
Symbol
Min
Typ
Max
Unit
Frequency
f
—
32.768
—
kHz
RTC_XTALI
VIH
0.9 x NVCC_BBSM_1P8
—
NVCC_BBSIM_1P8
V
VIL
0
—
0.1 x NVCC_BBSM_1P8
V
Duty cycle
45
—
55
%
For the case where an external clock is desired to be the source of the 32.768 kHz clock, the RTC_XTALI pin may be driven with
the RTC_XTALO pin disconnected.
4.1.6.2 On-chip oscillators
An external 24 MHz crystal is used in conjunction with the integrated amplifier to form a crystal oscillator that is used as the
reference clock for all frequency synthesis on the processor.Â
Table 18. 24M quartz specifications[1]
Symbol
Parameter Description
Min
Typ
Max
Unit
fXTAL
Frequency
—
24
—
MHz
CLOAD
Cload
—
12
—
pF
DL
Drive level
—
—
100
µW
ESR
ESR
—
—
120
Ω
[1] An external 24 MHz crystal is used in conjunction with the integrated amplifier to form a crystal oscillator that is used as the reference clock for all frequency
synthesis on the processor.
Table 19 shows 32K oscillator specifications.
Table 19. 32.768 kHZ quartz specifications
Symbol
Parameter Description
Min
Typ
Max
Unit
fXTAL
Frequency (crystal mode) [1]
—
32.768
—
kHz
CLOAD
Cload
—
12.5
—
pF
ESR
ESR
—
—
90
KΩ
NXP Semiconductors
IMX93CEC
i.MX 93 Applications Processors Data Sheet for Commercial Products
IMX93CEC
All information provided in this document is subject to legal disclaimers.
© 2026 NXP B.V. All rights reserved.
Product data sheet
Rev. 7 — 12 February 2026
Document feedback
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