STM32WB55 datasheet(126/193 Pages) STMICROELECTRONICS

Part #	STM32WB55

Description	Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5.2 and 802.15.4 radio solution

PDF	193 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Electrical characteristics

STM32WB55xx STM32WB35xx

126/193

DS11929 Rev 11

IDD(MSI)(6)

MSI oscillator

power

consumption

MSI and



PLL mode

Range 0

0.6

µA

Range 1

0.8

1.2

Range 2

1.2

1.7

Range 3

1.9

2.5

Range 4

4.7

Range 5

6.5

Range 6

Range 7

18.5

Range 8

Range 9

110

Range 10

110

130

Range 11

155

190

1. Guaranteed by characterization results.

2. This is a deviation for an individual part once the initial frequency has been measured.

3. Sampling mode means Low-power run/Low-power sleep modes with Temperature sensor disable.

4. Average period of MSI at 48 MHz is compared to a real 48 MHz clock over 28 cycles. It includes frequency tolerance + jitter

of MSI at 48 MHz clock.

5. Only accumulated jitter of MSI at 48 MHz is extracted over 28 cycles.



For next transition: min. and max. jitter of 2 consecutive frame of 28 cycles of the MSI at 48 MHz, for 1000 captures over



28 cycles.



For paired transitions: min. and max. jitter of 2 consecutive frame of 56 cycles of the MSI at 48 MHz, for 1000 captures over

56 cycles.

6. Guaranteed by design.

Table 60. MSI oscillator characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

STM32WB55 Datasheet(PDF) 126 Page - STMicroelectronics

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