Datasheet

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MSP432P401R, MSP432P401M
SLAS826 –MARCH 2015 www.ti.com
High-Frequency Crystal Oscillator, HFXT (continued)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
HFXTBYPASS = 1
External clock used as a direct source
45% 55%
to MCLK or HSMCLK with no divider
(DIVM = 0 or DIVHS = 0).
DC
HFXT,
HFXT oscillator logic-level
HFXTBYPASS = 1
SW
square-wave input duty cycle
External clock used as a direct source
to MCLK or HSMCLK with divider
40% 60%
(DIVM > 0 or DIVHS > 0) or not used
as a direct source to MCLK or
HSMCLK.
HFXTBYPASS = 0, HFXTDRIVE =
0, HFFREQ = 0 5000
f
HFXT,HF
= 1 MHz, C
L,eff
= 16 pF
HFXTBYPASS = 0, HFXTDRIVE =
1, HFFREQ = 0 1250
f
HFXT,HF
= 4 MHz, C
L,eff
= 16 pF
HFXTBYPASS = 0, HFXTDRIVE =
1, HFFREQ = 1 750
f
HFXT,HF
= 8 MHz, C
L,eff
= 16 pF
HFXTBYPASS = 0, HFXTDRIVE =
1, HFFREQ = 2 425
f
HFXT,HF
= 16 MHz, C
L,eff
= 16 pF
Oscillation allowance for
OA
HFXT
Ω
HFXT crystals
(3)
HFXTBYPASS = 0, HFXTDRIVE =
1, HFFREQ = 3 275
f
HFXT,HF
= 24 MHz, C
L,eff
= 16 pF
HFXTBYPASS = 0, HFXTDRIVE =
1, HFFREQ = 4 225
f
HFXT,HF
= 32 MHz, C
L,eff
= 16 pF
HFXTBYPASS = 0, HFXTDRIVE =
1, HFFREQ = 5 160
f
HFXT,HF
= 40 MHz, C
L,eff
= 16 pF
HFXTBYPASS = 0, HFXTDRIVE =
1, HFFREQ = 6 140
f
HFXT,HF
= 48 MHz, C
L,eff
= 16 pF
(3) Oscillation allowance is based on a safety factor of 5 for recommended crystals.
32 Specifications Copyright © 2015, Texas Instruments Incorporated
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