ST STM32H747I-DISCO - Page 43

UM2411 Schematic diagrams
UM2411 Rev 2 43/61
Figure 27. Quad-SPI Flash memory devices
815
QSPI
MB1248 D.2
1/21/2019
Title:
Size: Reference:
Date: Sheet: of
A4
Revision:
STM32H7-DK
Project:
Twin Quad SPI Flash
QSPI_BK1_IO3
QSPI_BK1_IO1
PF9
PF6
QSPI_BK1_NCS
PG6
C13 100nF
+3V3
+3V3
R15 33
R20 33
QSPI_BK1_IO0
QSPI_BK1_IO2
PD11
PF7
QSPI_CLK
PB2
R2 33
R1 33
R8
10K
QSPI_BK2_IO0
QSPI_BK2_IO1 QSPI_BK2_IO2
QSPI_BK2_IO3
R18 33[N/A]
R19 33[N/A]
R3
33[N/A]
R6
33[N/A]
PG9
PG14
PH2
PH3
C84
100nF
+3V3
CS#
7
DQ1
8
NC
6
NC
5
NC
12
NC
11
Vss
10
W#/Vpp/DQ2
9
HOLD#/DQ3
1
VCC
2
NC
3
CLK
16
DQ0
15
NC
4
NC
13
NC
14
U14
MT25QL512ABB8ESF-0SIT
R135 33
R134 33
R125 33
R124 33
BK2_IO3
NCS2
BK2_IO1
QSPI_CLK
BK2_IO0
BK2_IO2
Two QSPI Flash solution
Twin Quad SPI Flash solutions:
One Twin Quad SPI Fllash U3:MT25TL01GHBB8ESF-0SIT U14:NA
Two Quad SPI Fllash (default) U3:MT25QL512ABB8ESF-0SIT U14:MT25QL512ABB8ESF-0SIT
R3/R6/R18/R19, SB47 ON R124/R125/R134/R135, SB25, C84 OFF
BK2_IO3
BK2_IO0
BK2_IO2BK2_IO1
QSPI_CLK
NCS2
R124/R125/R134/R135, SB25, C84 ON R3/R6/R18/R19, SB47 OFF
CS#
7
DQ1
8
NC
6
NC
5
NC
12
NC
11
Vss
10
W#/Vpp/DQ2
9
HOLD#/DQ3
1
VCC
2
NC
3
CLK
16
DQ0
15
NC
4
NC
13
NC
14
U3
MT25QL512ABB8ESF-0SIT
SB47
SB25