STM32H7 datasheet(269/357 Pages) STMICROELECTRONICS

부품명	STM32H7

상세설명	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%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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269 / 357 page

DS12110 Rev 10

269/357

STM32H742xI/G STM32H743xI/G

Electrical characteristics (rev V)

320

Figure 87. NAND controller waveforms for common memory write access

Table 175. Switching characteristics for NAND flash read cycles(1)

1. Guaranteed by characterization results.

Symbol

Parameter

Min

Max

Unit

tw(N0E)

FMC_NOE low width

4Tfmc_ker_ck – 0.5

4Tfmc_ker_ck+0.5

tsu(D-NOE)

FMC_D[15-0] valid data before

FMC_NOE high

th(NOE-D)

FMC_D[15-0] valid data after

FMC_NOE high

td(ALE-NOE) FMC_ALE valid before FMC_NOE low

3Tfmc_ker_ck +1

th(NOE-ALE) FMC_NWE high to FMC_ALE invalid

4Tfmc_ker_ck –2

Table 176. Switching characteristics for NAND flash write cycles(1)

1. Guaranteed by characterization results.

Symbol

Parameter

Min

Max

Unit

tw(NWE)

FMC_NWE low width

4Tfmc_ker_ck – 0.5

4Tfmc_ker_ck +0.5

tv(NWE-D)

FMC_NWE low to FMC_D[15-0]

valid

th(NWE-D)

FMC_NWE high to FMC_D[15-0]

invalid

2Tfmc_ker_ck – 0.5

td(D-NWE)

FMC_D[15-0] valid before

FMC_NWE high

5Tfmc_ker_ck – 1

td(ALE-NWE)

FMC_ALE valid before FMC_NWE

low

-3Tfmc_ker_ck +0.5

th(NWE-ALE)

FMC_NWE high to FMC_ALE

invalid

2Tfmc_ker_ck – 1

MS32770V1

tw(NWE)

th(NWE-D)

tv(NWE-D)

FMC_NWE

FMC_N OE

FMC_D[15:0]

td(D-NWE)

ALE (FMC_A17)

CLE (FMC_A16)

FMC_NCEx

td(ALE-NOE)

th(NOE-ALE)

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