STM32F217VG datasheet(132/173 Pages) STMICROELECTRONICS

132 / 173 page

Electrical characteristics

STM32F21xxx

132/173

Doc ID 17050 Rev 8

PC Card/CompactFlash controller waveforms and timings

Figure 61 through Figure 66 represent synchronous waveforms together with Table 77 and

Table 78 provides the corresponding timings. The results shown in this table are obtained

with the following FSMC configuration:

●

COM.FSMC_SetupTime = 0x04;

●

COM.FSMC_WaitSetupTime = 0x07;

●

COM.FSMC_HoldSetupTime = 0x04;

●

COM.FSMC_HiZSetupTime = 0x00;

●

ATT.FSMC_SetupTime = 0x04;

●

ATT.FSMC_WaitSetupTime = 0x07;

●

ATT.FSMC_HoldSetupTime = 0x04;

●

ATT.FSMC_HiZSetupTime = 0x00;

●

IO.FSMC_SetupTime = 0x04;

●

IO.FSMC_WaitSetupTime = 0x07;

●

IO.FSMC_HoldSetupTime = 0x04;

●

IO.FSMC_HiZSetupTime = 0x00;

●

TCLRSetupTime = 0;

●

TARSetupTime = 0;

In all timing tables, the THCLK is the HCLK clock period.

Figure 61.

PC Card/CompactFlash controller waveforms for common memory read

access

FSMC_NCE4_2 remains high (inactive during 8-bit access.

FSMC_NWE

tw(NOE)

FSMC_NOE

FSMC_D[15:0]

FSMC_A[10:0]

FSMC_NCE4_2(1)

FSMC_NCE4_1

FSMC_NREG

FSMC_NIOWR

FSMC_NIORD

td(NCE4_1-NOE)

tsu(D-NOE)

th(NOE-D)

tv(NCEx-A)

td(NREG-NCEx)

td(NIORD-NCEx)

th(NCEx-AI)

th(NCEx-NREG)

th(NCEx-NIORD)

th(NCEx-NIOWR)

ai14895b

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