STM32WB55VCQ6TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32WB55VCQ6TR

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 96. SAI characteristics(1)

Symbol

Parameter

Conditions

Min Max Unit

fMCLK

SAI main clock output

-

Master transmitter

2.7 V ≤ VDD ≤ 3.6 V

Voltage Range 1

-

50

- 23.5

Master transmitter

1.65 V ≤ VDD ≤ 3.6 V

Voltage Range 1

-

16

Master receiver

Voltage Range 1

fCK

SAI clock frequency(2) Slave transmitter

2.7 V ≤ VDD ≤ 3.6 V

Voltage Range 1

-

16

MHz

-

26

Slave transmitter

1.65 V ≤ VDD ≤ 3.6 V

Voltage Range 1

-

20

Slave receiver

Voltage Range 1

-

32

Voltage Range 2

-

8

tv(FS)

FS valid time

Master mode

2.7 V ≤ VDD ≤ 3.6 V

Master mode

1.65 V ≤ VDD ≤ 3.6 V

-

21

-

30

th(FS)

FS hold time

Master mode

10

-

tsu(FS)

FS setup time

Slave mode

1.5

-

th(FS)

FS hold time

Slave mode

2.5

-

tsu(SD_A_MR) Data input setup time Master receiver

tsu(SD_B_SR)

Slave receiver

1

-

1.5

-

th(SD_A_MR) Data input hold time

th(SD_B_SR)

Master receiver

Slave receiver

6.5

-

2.5

-

ns

tv(SD_B_ST)

Data output valid time

Slave transmitter (after enable edge)

2.7 V ≤ VDD ≤ 3.6 V

Slave transmitter (after enable edge)

1.65 V ≤ VDD ≤ 3.6 V

-

-

19

25

th(SD_B_ST) Data output hold time Slave transmitter (after enable edge)

10

-

tv(SD_A_MT)

Data output valid time

Master transmitter (after enable edge)

2.7 V ≤ VDD ≤ 3.6 V

Master transmitter (after enable edge)

1.65 V ≤ VDD ≤ 3.6 V

-

-

18.5

25

th(SD_A_MT) Data output hold time Master transmitter (after enable edge) 10

-

1. Guaranteed by characterization results.

2. APB clock frequency must be at least twice SAI clock frequency.

166/193

DS11929 Rev 10

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