STM32F372CB datasheet(76/128 Pages) STMICROELECTRONICS

部件名	STM32F372CB

功能描述	ARM Cortex-M4F 32b MCUFPU, up to 256KB Flash32KB SRAM timers

PDF	128 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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76 / 128 page

Electrical characteristics

STM32F37x

76/128

Doc ID 022691 Rev 3

Figure 16.

HSI oscillator accuracy characterization results

Low-speed internal (LSI) RC oscillator

6.3.9

PLL characteristics

The parameters given in Table 44 are derived from tests performed under ambient

temperature and supply voltage conditions summarized in Table 22.

Table 43.

LSI oscillator characteristics(1)

VDDA = 3.3 V, TA = –40 to 105 °C unless otherwise specified.

Symbol

Parameter

Min

Typ

Max

Unit

fLSI

Frequency

kHz

tsu(LSI)

(2)

Guaranteed by design, not tested in production.

LSI oscillator startup time

µs

IDD(LSI)

(2)

LSI oscillator power consumption

0.75

1.2

µA

Table 44.

PLL characteristics

Symbol

Parameter

Value

Unit

Min

Typ

Max

fPLL_IN

PLL input clock(1)

1(2)

24(2)

MHz

PLL input clock duty cycle

40(2)

60(2)

fPLL_OUT

PLL multiplier output clock

16(2)

MHz

tLOCK

PLL lock time

200(2)

µs

Jitter

Cycle-to-cycle jitter

300(2)

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