LQFP64 datasheet(46/79 Pages) STMICROELECTRONICS

Part #	LQFP64

Description	Low-density access line, ARM-based 32-bit MCU with 16 or 32 KB Flash, 5 timers, ADC and 4 communication interfaces

PDF	79 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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46 / 79 page

Electrical characteristics

STM32F101x4, STM32F101x6

46/79

Doc ID 15058 Rev 5

Figure 21.

Typical application with a 32.768 kHz crystal

5.3.7

Internal clock source characteristics

The parameters given in Table 23 are derived from tests performed under the ambient

temperature and VDD supply voltage conditions summarized in Table 8.

High-speed internal (HSI) RC oscillator

ai14129b

OSC32_OU T

OSC32_IN

fLSE

CL1

STM32F10xxx

32.768 KH z

resonator

Resonator with

integrated capacitors

Bias

controlled

gain

CL2

Table 23.

HSI oscillator characteristics(1)

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

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSI

Frequency

MHz

DuCy(HSI) Duty cycle

ACCHSI

Accuracy of the HSI

oscillator

User-trimmed with the RCC_CR

Refer to application note AN2868 “STM32F10xxx internal RC oscillator (HSI) calibration” available from

the ST website www.st.com.

1(3)

Guaranteed by design, not tested in production.

Factory-

calibrated(4)

Based on characterization, not tested in production.

TA = –40 to 105 °C

–2

2.5

TA = –10 to 85 °C

–1.5

2.2

TA = 0 to 70 °C

–1.3

TA = 25 °C

–1.1

1.8

tsu(HSI)

(4)

HSI oscillator

startup time

µs

IDD(HSI)

(4)

HSI oscillator power

consumption

100

µA

LQFP64 Datasheet(PDF) 46 Page - STMicroelectronics

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