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 

STM32WB55xx STM32WB35xx

Electrical characteristics

Table 88. LCD controller characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max Unit

V44

Segment/Common highest level voltage

-

VLCD

-

V34

Segment/Common 3/4 level voltage

-

3/4 VLCD

-

V23

Segment/Common 2/3 level voltage

-

2/3 VLCD

-

V12

Segment/Common 1/2 level voltage

-

1/2 VLCD

-

V

V13

Segment/Common 1/3 level voltage

-

1/3 VLCD

-

V14

Segment/Common 1/4 level voltage

-

1/4 VLCD

-

V0

Segment/Common lowest level voltage

-

0

-

1. Guaranteed by design.

2. LCD enabled with 3 V internal step-up active, 1/8 duty, 1/4 bias, division ratio = 64, all pixels active, no LCD connected.

6.3.27 Timer characteristics

The parameters given in the following tables are guaranteed by design. Refer to

Section 6.3.17 for details on the input/output alternate function characteristics (output

compare, input capture, external clock, PWM output).

Table 89. TIMx(1) characteristics

Symbol

Parameter

Conditions

Min

Max

tres(TIM)

fEXT

ResTIM

Timer resolution time

Timer external clock frequency

on CH1 to CH4

Timer resolution

-

fTIMxCLK = 64 MHz

-

fTIMxCLK = 64 MHz

TIM1, TIM16, TIM17

TIM2

tCOUNTER

tMAX_COUNT

16-bit counter clock period

Maximum possible count with

32-bit counter

-

fTIMxCLK = 64 MHz

-

fTIMxCLK = 64 MHz

1. TIMx, is used as a general term where x stands for 1, 2, 16 or 17.

1

15.625

0

0

-

-

1

0.015625

-

-

-

-

fTIMxCLK/2

40

16

32

65536

1024

65536 × 65536

67.10

Unit

tTIMxCLK

ns

MHz

bit

tTIMxCLK

µs

tTIMxCLK

s

DS11929 Rev 10

157/193

169

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