STM32WB55CEV7 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32WB55CEV7

Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5 and 802.15.4 radio solution

STMicroelectronics 

STM32WB55xx STM32WB35xx

Electrical characteristics

Figure 31. SPI timing diagram - slave mode and CPHA = 0

NSS input

MISO

OUTPUT

(SI)

MOSI

INPUT

MSB OUT

MSB IN

(SI)

BIT6 OUT

BIT1 IN

LSB OUT

LSB IN

Figure 32. SPI timing diagram - slave mode and CPHA = 1

NSS input

tSU(NSS)

CPHA=1

CPOL=0

CPHA=1

CPOL=1

tw(SCKH)

tw(SCKL)

MISO

OUTPUT

MOSI

INPUT

ta(SO)

tsu(SI)

tc(SCK)

tv(SO)

MSB OUT

th(SI)

MSB IN

th(SO)

BIT6 OUT

BIT 1 IN

1. Measurement points are set at CMOS levels: 0.3 VDD and 0.7 VDD.

th(NSS)

tr(SCK)

tf(SCK)

tdis(SO)

LSB OUT

LSB IN

ai14135b

DS11929 Rev 10

161/193

169

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