STM32U545NET3QTR datasheet(247/283 Pages) STMICROELECTRONICS

部件名	STM32U545NET3QTR

功能描述	Ultra-low-power Arm® Cortex®-M33 MCUTrustZone®FPU,240 DMIPS, 512 KB flash memory, 274 KB SRAM, crypto

PDF	283 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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247 / 283 page

DS14216 Rev 1

247/283

STM32U545xx

Electrical characteristics

258

Figure 50. PSSI receive timing diagram

5.3.31

Timer characteristics

The parameters given in the following tables are specified by design, not tested in

production.

Refer to Section 5.3.14: I/O port characteristics for details on the input/output alternate

function characteristics (output compare, input capture, external clock, PWM output).

MSv63436V1

ts(DATA)

CKPOL=0

CKPOL=1

PSSI D[15:0]

(input)

th(DATA)

tw(PDCKL)

tw(PDCKH)

tc(PDCK)

tf(PDCK)

Invalid data IN

Valid data IN

DEPOL=0

DEPOL=1

RDYPOL=0

RDYPOL=1

Invalid data IN

tr(PDCK)

ts(DE)

th(DE)

tv(RDY)

tho(RDY)

Table 123. TIMx(1) characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

tres(TIM)

Timer resolution time

-1

tTIMxCLK

fTIMxCLK = 160 MHz

6.25

fEXT

Timer external clock frequency on

CH1 to CH4

-0

fTIMxCLK/2

MHz

fTIMxCLK = 160 MHz

ResTIM

Timer resolution

TIMx (except TIM2/3/4/5)

bit

TIM2/3/4/5

tCOUNTER 16-bit counter clock period

65536

tTIMxCLK

fTIMxCLK = 160 MHz

0.007

409.6

µs

tMAX_COUNT

Maximum possible count with

32-bit counter

65536 × 65536 tTIMxCLK

fTIMxCLK = 160 MHz

26.843

1. TIMx, is used as a general term in which x stands for 1,2,3,4,5,6,7,8,15,16 or 17.

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