SPC560B64X datasheet(91/133 Pages) STMICROELECTRONICS

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SPC560B54x/6x

Electrical characteristics

132

4.13

Slow external crystal oscillator (32 kHz) electrical

characteristics

The device provides a low power oscillator/resonator driver.

Figure 13. Crystal oscillator and resonator connection scheme

IFXOSC

(2)

Fast external crystal

oscillator consumption

——

tFXOSCSU

Fast external crystal

oscillator start-up time

fOSC = 4 MHz,

OSCILLATOR_MARGIN =

——

fOSC = 16 MHz,

OSCILLATOR_MARGIN =

——

1.8

VIH

Input high level CMOS



(Schmitt Trigger)

Oscillator bypass mode

0.65VDD

—

VDD + 0.

VIL

Input low level CMOS



(Schmitt Trigger)

Oscillator bypass mode

0.4

—

0.35VDD

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

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

peripherals).

Table 38. Fast external crystal oscillator (4 to 16 MHz) electrical characteristics (continued)

Symbol

Parameter

Conditions(1)

Value

Unit

Min

Typ

Max

OSC32K_XTAL

OSC32K_EXTAL

DEVICE

OSC32K_XTAL

OSC32K_EXTAL

DEVICE

Note: OSC32_XTAL/OSC32_EXTAL must not be directly used to drive external circuits

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