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AN2784 датащи(PDF) 28 Page - STMicroelectronics

номер детали AN2784
подробное описание детали  Using the high-density STM32F10xxx FSMC peripheral to drive external memories
PDF  31 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2784 датащи(HTML) 28 Page - STMicroelectronics

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STM32F10xxx FSMC configuration in 100-pin packages
AN2784
28/31
Doc ID 14779 Rev 4
5
STM32F10xxx FSMC configuration in 100-pin
packages
The FSMC is present in devices delivered in both 144-pin and 100-pin packages. For
devices in 100-pin packages, however, only some FSMC banks can be used because not all
pins are available.
5.1
Interfacing the FSMC with a NAND Flash memory
In devices that come in 100-pin packages, only Bank2 can be used to interface the FSMC
with an 8-/16-bit NAND Flash memory. This is because the NCE3 pin is not available in
these packages.
Likewise, no interrupt can be used because the two interrupt pins INT2 and INT3 are not
available in 100-pin packages.
Table 9 shows how to connect an 8-/16-bit NAND Flash memory to the FSMC peripheral of
devices delivered in 100-pin packages.
Table 9.
NAND Flash memory connection to the FSMC
8-/16-bit NAND memory pins
FSMC pins
100-pin package
E
NCE2/NCE3
NCE2
R
NOE
NOE
W
NWE
NWE
AL
A17
A17
CL
A16
A16
R/B
NWAIT/INT2/INT3
NWAIT
I/O0-I/O7
D0-D7
D0-D7
I/O8-I/O15
D8-D15
D8-D15



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