STM32F302XD datasheet(106/168 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F302xD STM32F302xE

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DocID026900 Rev 4

Figure 31. PC Card/CompactFlash controller waveforms for attribute memory

write access

1. Only data bits 0...7 are driven (bits 8...15 remains Hi-Z).

Table 58. Switching characteristics for PC Card/CF read and write cycles in I/O

space(1)

1. Based on characterization, not tested in production.

Symbol

Parameter

Min

Max

Unit

tw(NIOWR)

FMC_NIOWR low width

8THCLK-0.5

tv(NIOWR-D)

FMC_NIOWR low to FMC_D[15:0] valid

5.5

th(NIOWR-D)

FMC_NIOWR high to FMC_D[15:0]

invalid

4THCLK-0.5

td(NCE4_1-NIOWR) FMC_NCE4_1 low to FMC_NIOWR valid

5THCLK+1

th(NCEx-NIOWR)

FMC_NCEx high to FMC_NIOWR invalid 4THCLK+0.5

td(NIORD-NCEx)

FMC_NCEx low to FMC_NIORD valid

5THCLK

th(NCEx-NIORD)

FMC_NCEx high to FMC_NIORD) valid

6THCLK+2

tw(NIORD)

FMC_NIORD low width

8THCLK-1

8THCLK+1

tsu(D-NIORD)

FMC_D[15:0] valid before FMC_NIORD

high

THCLK+2

td(NIORD-D)

FMC_D[15:0] valid after FMC_NIORD

high

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