SPC56ECxx datasheet(80/123 Pages) STMICROELECTRONICS

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Electrical Characteristics

SPC564Bxx-SPC56ECxx

80/123

DocID17478 Rev 9

3.13

Slow external crystal oscillator (32 kHz) electrical

characteristics

The device provides a low power oscillator/resonator driver.

Figure 12. Crystal oscillator and resonator connection scheme

Note:

OSC32K_XTAL/OSC32K_EXTAL must not be directly used to drive external circuits.

VIH

SR P

Input high level

CMOS



(Schmitt Trigger)

Oscillator bypass mode

0.65VDD_

HV_A

—VDD_HV_A + 0.4

VIL

SR P

Input low level

CMOS



(Schmitt Trigger)

Oscillator bypass mode

0.3

—

0.35VDD_HV_A

VDD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified.

All values need to be confirmed during device validation.

Based on ATE Cz

Stated values take into account only analog module consumption but not the digital contributor (clock tree and enabled

peripherals).

Table 36. Fast external crystal oscillator (4 to 40 MHz) electrical characteristics (continued)

Symbol

Parameter

Conditions(1)

Value(2)

Unit

Min

Typ

Max

OSC32K_XTAL

OSC32K_EXTAL

DEVICE

OSC32K_XTAL

OSC32K_EXTAL

DEVICE

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