STM32W108HB datasheet(161/179 Pages) STMICROELECTRONICS

Part #	STM32W108HB

Description	High-performance, IEEE 802.15.4 wireless system-on-chip

PDF	179 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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161 / 179 page

STM32W108CB, STM32W108HB

Electrical characteristics

Doc ID 16252 Rev 2

161/179

12.4

Clock frequencies

12.4.1

High frequency internal clock characteristics

12.4.2

High frequency external clock characteristics

Table 33.

High-frequency RC oscillator specification

Parameter

Test conditions

Min

Typ

Max

Unit

Frequency at reset

MHz

Frequency Steps

0.5

MHz

Duty cycle

Supply dependence

Change in supply = 0.1 V

Test at supply changes: 1.8 V

to 1.7 V

Table 34.

High-frequency crystal oscillator specification

Parameter

Test conditions

Min

Typ

Max

Unit

Frequency

MHz

Accuracy

-40

+40

ppm

Duty cycle

Phase noise (at 100 kHz offset)

-120

dBc/Hz

Start-up time at max bias

Start up time at optimal bias

Current consumption

200

300

µA

Current consumption at max bias

Crystal with high ESR

100

– Load capacitance

– Crystal Capacitance

– Crystal power dissipation

200

µW

Crystal with low ESR

– Load capacitance

– Crystal Capacitance

– Crystal power dissipation

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