STM32WB09XE datasheet(55/73 Pages) STMICROELECTRONICS

Part #	STM32WB09XE

Description	Ultra-low power wireless 32-bit MCU Arm®-based Cortex®-M0 with Bluetooth® LE and 2.4 GHz radio solution

PDF	73 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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55 / 73 page

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units

tw(SCKH)

SCK high and low time

Master mode

1 / fPCLK - 1.5

1 / fPCLK

1 / fPCLK+1

tw(SCKL)

1 / fPCLK- 1.5

1 / fPCLK

1 / fPCLK+1

tsu(MI)

Data input set-up time

Master mode

tsu(SI)

Data input set-up time

Slave mode

th(MI)

Data input hold time

Master mode

th(SI)

Data input hold time

Slave mode

ta(SO)

Data output access time

Slave mode

tdis(SO)

Data output disable time

Slave mode

tv(MO)

Data output valid time

Master mode

tv(SO)

Slave mode

th(MO)

Data output hold time

Master mode

th(SO)

Slave mode

1. The maximum frequency in slave transmitter mode is determined by the sum of tv(SO) and tsu(MI), which has to fit SCK low

or high phase preceding the SCK sampling edge. This value can be achieved when the SPI communicates with a master

having tsu(MI) = 0 while duty(SCK) = 50 %.

Figure 14. SPI timing diagram - slave mode and CPHA = 0

STM32WB09xE

Electrical characteristics

DS14210 - Rev 6

page 55/73

STM32WB09XE Datasheet(PDF) 55 Page - STMicroelectronics

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