STM32F302XD datasheet(103/168 Pages) STMICROELECTRONICS

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DocID026900 Rev 4

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STM32F302xD STM32F302xE

Electrical characteristics

146

Table 57. Switching characteristics for PC Card/CF read and write cycles

in attribute/common space(1)

1. Based on characterization, not tested in production.

Symbol

Parameter

Min

Max

Unit

tv(NCEx-A)

FMC_Ncex low to FMC_Ay valid

th(NCEx_AI)

FMC_NCEx high to FMC_Ax invalid

2.5

td(NREG-NCEx)

FMC_NCEx low to FMC_NREG valid

th(NCEx-NREG)

FMC_NCEx high to FMC_NREG invalid

td(NCEx-NWE)

FMC_NCEx low to FMC_NWE low

5THCLK+2

tw(NWE)

FMC_NWE low width

8THCLK

8THCLK+0.5

td(NWE_NCEx)

FMC_NWE high to FMC_NCEx high

5THCLK-1

tv (NWE-D)

FMC_NWE low to FMC_D[15:0] valid

th (NWE-D)

FMC_NWE high to FMC_D[15:0] invalid

4THCLK-1

td (D-NWE)

FMC_D[15:0] valid before FMC_NWE

high

13THCLK-3

td(NCEx-NOE)

FMC_NCEx low to FMC_NOE low

5THCLK+2

tw(NOE)

FMC_NOE low width

8THCLK-1

8THCLK+2

td(NOE_NCEx)

FMC_NOE high to FMC_NCEx high

5THCLK-1

tsu (D-NOE)

FMC_D[15:0] valid data before

FMC_NOE high

THCLK+2

th(NOE-D)

FMC_N0E high to FMC_D[15:0] invalid

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