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LQFP144 데이터시트(PDF) 91 Page - STMicroelectronics

부품명 LQFP144
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LQFP144 데이터시트(HTML) 91 Page - 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)
C
C
T
Fast external crystal
oscillator consumption
——
2
3
mA
tFXOSCSU
C
C
T
Fast external crystal
oscillator start-up time
fOSC = 4 MHz,
OSCILLATOR_MARGIN =
0
——
6
ms
fOSC = 16 MHz,
OSCILLATOR_MARGIN =
1
——
1.8
VIH
S
R
P
Input high level CMOS
(Schmitt Trigger)
Oscillator bypass mode
0.65VDD
—
VDD + 0.
4
V
VIL
S
R
P
Input low level CMOS
(Schmitt Trigger)
Oscillator bypass mode
0.4
—
0.35VDD
V
1.
VDD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified.
2.
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
C
Parameter
Conditions(1)
Value
Unit
Min
Typ
Max
OSC32K_XTAL
OSC32K_EXTAL
DEVICE
C2
C1
OSC32K_XTAL
OSC32K_EXTAL
RP
DEVICE
Note: OSC32_XTAL/OSC32_EXTAL must not be directly used to drive external circuits



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