STM32L412R8I6XXX datasheet(163/192 Pages) STMICROELECTRONICS

部件名	STM32L412R8I6XXX

功能描述	Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 128KB Flash, 40KB SRAM, analog, ext. SMPS

PDF	192 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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163 / 192 page

DS12469 Rev 8

163/192

STM32L412xx

Electrical characteristics

164

Table 92. QUADSPI characteristics in DDR mode(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

FCK

1/t(CK)

Quad SPI clock

frequency

1.71 < VDD < 3.6 V, CLOAD = 20 pF

Voltage Range 1

MHz

2 < VDD < 3.6 V, CLOAD = 20 pF

Voltage Range 1

1.71 < VDD < 3.6 V, CLOAD = 15 pF

Voltage Range 1

1.71 < VDD < 3.6 V CLOAD = 20 pF

Voltage Range 2

tw(CKH)

Quad SPI clock high

and low time

fAHBCLK = 48 MHz, presc=0

t(CK)/2-2

t(CK)/2

tw(CKL)

t(CK)/2

t(CK)/2+2

tsr(IN)

Data input setup time

on rising edge

Voltage Range 1

Voltage Range 2

3.5

tsf(IN)

Data input setup time

on falling edge

Voltage Range 1

Voltage Range 2

1.5

thr(IN)

Data input hold time

on rising edge

Voltage Range 1

Voltage Range 2

6.5

thf(IN)

Data input hold time

on falling edge

Voltage Range 1

5.5

Voltage Range 2

5.5

tvr(OUT)

Data output valid time

on rising edge

Voltage Range 1

55.5

Voltage Range 2

9.5

tvf(OUT)

Data output valid time

on falling edge

Voltage Range 1

58.5

Voltage Range 2

thr(OUT)

Data output hold time

on rising edge

Voltage Range 1

3.5

Voltage Range 2

thf(OUT)

Data output hold time

on falling edge

Voltage Range 1

3.5

Voltage Range 2

1. Guaranteed by characterization results.

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