STM32H7 datasheet(157/357 Pages) STMICROELECTRONICS

Part #	STM32H7

Description	32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces

PDF	357 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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157 / 357 page

DS12110 Rev 10

157/357

STM32H742xI/G STM32H743xI/G

Electrical characteristics (rev Y)

320

Table 75. Synchronous multiplexed PSRAM write timings(1)

Symbol

Parameter

Min

Max

Unit

tw(CLK)

FMC_CLK period

2Tfmc_ker_ck − 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)

Tfmc_ker_ck + 0.5

td(CLKL-NADVL)

FMC_CLK low to FMC_NADV low

1.5

td(CLKL-NADVH)

FMC_CLK low to FMC_NADV high

td(CLKL-AV)

FMC_CLK low to FMC_Ax valid (x=16…25)

td(CLKH-AIV)

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

Tfmc_ker_ck

td(CLKL-NWEL)

FMC_CLK low to FMC_NWE low

1.5

t(CLKH-NWEH)

FMC_CLK high to FMC_NWE high

Tfmc_ker_ck + 0.5

td(CLKL-ADV)

FMC_CLK low to FMC_AD[15:0] valid

2.5

td(CLKL-ADIV)

FMC_CLK low to FMC_AD[15:0] invalid

td(CLKL-DATA)

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

2.5

td(CLKL-NBLL)

FMC_CLK low to FMC_NBL low

td(CLKH-NBLH)

FMC_CLK high to FMC_NBL high

Tfmc_ker_ck + 0.5

tsu(NWAIT-CLKH)

FMC_NWAIT valid before FMC_CLK high

th(CLKH-NWAIT)

FMC_NWAIT valid after FMC_CLK high

1. Guaranteed by characterization results.

STM32H7 Datasheet(PDF) 157 Page - STMicroelectronics

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