JAJSE27 October 2017 MSP432E401Y
PRODUCTION DATA.
PARAMETER | MIN | NOM | MAX | UNIT | |
---|---|---|---|---|---|
fHIBXOSC(1) | Parallel resonance frequency | 32.768 | kHz | ||
C1, C2 | External load capacitance on XOSC0, XOSC1 pins (2) | 12 | 24 | pF | |
CPKG | Device package stray shunt capacitance (2) | 0.5 | pF | ||
CPCB | PCB stray shunt capacitance (2) | 0.5 | pF | ||
CSHUNT | Total shunt capacitance (2) | 4 | pF | ||
ESR | Crystal effective series resistance, OSCDRV = 0 (3) | 50 | kΩ | ||
Crystal effective series resistance, OSCDRV = 1 (3) | 75 | ||||
DL | Oscillator output drive level | 0.25 | µW | ||
tSTART | Oscillator start-up time, when using a crystal (5) | 600 | 1500 (4) | ms | |
VIH | CMOS input high level, when using an external oscillator with VSupply > 3.3 V | 2.64 | V | ||
CMOS input high level, when using an external oscillator with 1.8 V ≤ VSupply ≤ 3.3 V | 0.8 × VSupply | ||||
VIL(6) | CMOS input low level, when using an external oscillator with 1.8 V ≤ VSupply ≤ 3.63 V | 0.2 × VSupply | V | ||
VHYS(6) | CMOS input buffer hysteresis, when using an external oscillator with 1.8 V ≤ VSupply ≤ 3.63 V | 360 | 960 | 1390 | mV |
DCHIBOSC_EXT | External single-ended (bypass) reference duty cycle | 30% | 70% |
Choose the load capacitors added on the board, C1 and C2, such that Equation 3 is satisfied (see Table 5-10 for typical values).
where
Table 5-11 lists the characteristics of the Hibernation module low-frequency oscillator.