CD00237391 datasheet(133/177 Pages) STMICROELECTRONICS

Nome de Peças	CD00237391

Descrição Electrónicos	ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM

PDF	177 Pages

Scroll/Zoom	100%

Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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133 / 177 page

STM32F20xxx

Electrical characteristics

Doc ID 15818 Rev 9

133/177

PC Card/CompactFlash controller waveforms and timings

Figure 62 through Figure 67 represent synchronous waveforms together with Table 78 and

Table 79 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 62.

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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