STM32L552CEU6PTR datasheet(299/340 Pages) STMICROELECTRONICS

部件名	STM32L552CEU6PTR

功能描述	Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, SMPS

PDF	340 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

299 / 340 page

DS12737 Rev 6

299/340

STM32L552xx

Electrical characteristics

307

The following table summarizes the parameters measured in DTR mode (no DQS).

Table 147. OCTOSPI(1) characteristics in DTR mode (no DQS)(2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

F(CLK)

OCTOSPI clock

frequency

1.71<VDD<3.6

Voltage ranges 0/1

20 pF

MHz

2.7<VDD<3.6

Voltage ranges 0/1

20 pF

1.71<VDD<3.6

Voltage ranges 0/1

15 pF

1.71<VDD<3.6

Voltage range 2

tw(CKH)

OCTOSPI clock

high and low time

PRESCALER[7:0] =

n = 0,1,3,5

t(CK)/2

-0.5

t(CK)/2+0.5

tw(CKL)

t(CK)/2

-0.5

t(CK)/2+0.5

tw(CKH)

OCTOSPI clock

high and low time

Odd division

PRESCALER[7:0] =

n = 2,4,6,8

(n/2)×t(CK)/(n+1)-

0.5

(n/2)×t(CK)/(n+1)+

0.5

tw(CKL)

(n/2+1)×t(CK)/

(n+1) -0.5

(n/2+1)×t(CK)/

(n+1)+0.5

tsr(IN), tsf(IN)

Data input setup

time

Voltage ranges 0/1

2.5

Voltage range 2

1.5

thr(IN),thf(IN)

Data input hold

time

Voltage ranges 0/1

Voltage range 2

tvr(OUT),

tvf(OUT)

Data output valid

time

Voltage

ranges

0/1

DHQC=0

5.5

7.25

DHQC=1

Pres=1,2

…

Tpclk

+0.5

Tpclk/4

Voltage range 2

DHQC=0

-8

thr(OUT),

thf(OUT)

Data output hold

time

Voltage

ranges

0/1

DHQC=0

DHQC=1

Pres=1,2

…

Tpclk/4

-0.25

Voltage range 2

DHQC=0

1. Values in the table applies to octal and quad SPI mode.

2. Guaranteed by characterization results.

STM32L552CEU6PTR 数据表(PDF) 299 Page - STMicroelectronics

STM32L552CEU6PTR 数据表(HTML) 299 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载

链接网址

STM32L552CEU6PTR 数据表(PDF) 299 Page - STMicroelectronics

STM32L552CEU6PTR 数据表(HTML) 299 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表 下载

链接网址

数据表下载