STM32WB55CGU6ATR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32WB55CGU6ATR

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

STMicroelectronics 

Electrical characteristics

STM32WB55xx STM32WB35xx

Table 93. SPI characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max Unit

Master mode

1.65 < VDD < 3.6 V

32

Voltage Range 1

Master transmitter mode

1.65 < VDD < 3.6 V

32

Voltage Range 1

Slave receiver mode

fSCK

1/tc(SCK)

SPI clock frequency

1.65 < VDD < 3.6 V

Voltage Range 1

-

Slave mode transmitter/full duplex

2.7 < VDD < 3.6 V

Voltage Range 1

32

-

MHz

32(2)

Slave mode transmitter/full duplex

1.65 < VDD < 3.6 V

Voltage Range 1

20.5(2)

Voltage Range 2

8

tsu(NSS) NSS setup time

Slave mode, SPI prescaler = 2

th(NSS) NSS hold time

Slave mode, SPI prescaler = 2

tw(SCKH)

tw(SCKL)

SCK high and low time

Master mode

tsu(MI)

tsu(SI)

Data input setup time

Master mode

Slave mode

th(MI)

th(SI)

Data input hold time

Master mode

Slave mode

ta(SO)

Data output access time

Slave mode

tdis(SO) Data output disable time

Slave mode 2.7 < VDD < 3.6 V

Voltage Range 1

4xTPCLK

2xTPCLK

TPCLK - 1.5

1.5

1

5

1

9

9

-

-

TPCLK

-

-

-

-

-

-

-

-

-

TPCLK + 1

-

-

-

ns

-

34

16

-

14.5

15.5

tv(SO) Data output valid time

Slave mode 1.65 < VDD < 3.6 V

Voltage Range 1

-

15.5

24

Slave mode 1.65 < VDD < 3.6 V

Voltage Range 2

-

19.5

26

ns

tv(MO)

Master mode (after enable edge)

-

th(SO) Data output hold time

Slave mode (after enable edge)

8

th(MO)

Master mode (after enable edge)

1

2.5

3

-

-

-

-

1. Guaranteed by characterization results.

2.

Maximum frequency in Slave transmitter mode is determined by the

or high phase preceding the SCK sampling edge. This value can be

saucmhieovfetdv(SwOh)eanndthtesuS(MPII),cwomhicmhuhnaicsattoesfitwinithtoaSmCaKsltoewr

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

160/193

DS11929 Rev 10

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