STM32L475VC datasheet(179/193 Pages) STMICROELECTRONICS

部件名	STM32L475VC

功能描述	Ultra-low-power ARM Cortex-M4 32-bit MCUFPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio

PDF	193 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

179 / 193 page

DocID027692 Rev 2

179/193

STM32L475xx

Electrical characteristics

181

Table 94. Synchronous multiplexed NOR/PSRAM read timings(1)(2)

1. CL = 30 pF.

2. Guaranteed by characterization results.

Symbol

Parameter

Min

Max

Unit

tw(CLK)

FMC_CLK period

2THCLK-1

td(CLKL-NExL) FMC_CLK low to FMC_NEx low (x=0..2)

td(CLKH_NExH) FMC_CLK high to FMC_NEx high (x= 0…2)

THCLK+0.5

td(CLKL-NADVL) FMC_CLK low to FMC_NADV low

2.5

td(CLKL-NADVH) FMC_CLK low to FMC_NADV high

td(CLKL-AV)

FMC_CLK low to FMC_Ax valid (x=16…25)

3.5

td(CLKH-AIV)

FMC_CLK high to FMC_Ax invalid (x=16…25)

THCLK

td(CLKL-NOEL) FMC_CLK low to FMC_NOE low

1.5

td(CLKH-NOEH) FMC_CLK high to FMC_NOE high

THCLK+1

td(CLKL-ADV)

FMC_CLK low to FMC_AD[15:0] valid

td(CLKL-ADIV)

FMC_CLK low to FMC_AD[15:0] invalid

tsu(ADV-CLKH) FMC_A/D[15:0] valid data before FMC_CLK high

th(CLKH-ADV)

FMC_A/D[15:0] valid data after FMC_CLK high

2.5

tsu(NWAIT-CLKH) FMC_NWAIT valid before FMC_CLK high

th(CLKH-NWAIT) FMC_NWAIT valid after FMC_CLK high

STM32L475VC 数据表(PDF) 179 Page - STMicroelectronics

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