STM32F334X4 datasheet(69/115 Pages) STMICROELECTRONICS

Part #	STM32F334X4

Description	ARMCortex-M4 32b MCUFPU,up to 64KB Flash,16KB SRAM, 2 ADCs,3 DACs,3 comp.,op-amp, 217ps 10-ch (HRTIM1)

PDF	115 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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STM32F334x4 STM32F334x6 STM32F334x8

Electrical characteristics

100

Figure 17. HSI oscillator accuracy characterization results for soldered parts

Low-speed internal (LSI) RC oscillator

6.3.9

PLL characteristics

The parameters given in Table 42 are derived from tests performed under ambient

temperature and supply voltage conditions summarized in Table 19.

Table 41. LSI oscillator characteristics(1)

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)

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 42. PLL characteristics

Symbol

Parameter

Value

Unit

Min.

Typ.

Max.

fPLL_IN

PLL input clock(1)

1. Take care of using the appropriate multiplier factors so as to have PLL input clock values compatible with

the range defined by fPLL_OUT.

1(2)

-24(2)

MHz

PLL input clock duty cycle

40(2)

-60(2)

fPLL_OUT

PLL multiplier output clock

16(2)

-72

MHz

tLOCK

PLL lock time

200(2)

µs

Jitter

Cycle-to-cycle jitter

300(2)

2. Guaranteed by design, not tested in production.

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