Hardware modifications are listed in
:
Table 32.
Hardware configuration for SDRAM
Pin name
Signal name
Setting
SDRAM
PF0
FMC_A0
R339
ON
OCSPI2_IO0
R98
OFF
PF1
FMC_A1
R335
ON
OCSPI2_IO1
R89
OFF
PF2
FMC_A2
R331
ON
OCSPI2_IO2
R82
OFF
PF3
FMC_A3
R74
ON
OCSPI2_IO3
R75
OFF
PG0
FMC_A10
R73
ON
OCSPI2_IO4
R76
OFF
PG1
FMC_A11
R333
ON
OCSPI2_IO5
R77
OFF
PF4
FMC_A4
R66
ON
OCSPI2_CLK
R319
OFF
PF5
FMC_A5
R65
ON
OCSPI2_NCLK
R318
OFF
PG15
FMC_SDNCAS
R352
ON
OCSPI2_DQS
R354
OFF
1. The default setting is in bold.
2. Remove to avoid stub if necessary.
7.7
Octo-SPI NOR Flash 1
7.7.1
Description
One 512-Mbit Octo-SPI NOR Flash Macronix MX25LM51245GXDI00 is connected to OCSPI1 interface of
STM32H7B3LIH6QU on the STM32H7B3I-EVAL Evaluation board.
7.7.2
Operating voltage
STM32H7B3LIH6QU OCSPI1 interface can only be at 3.3 V on this board. Make sure to supply 3.3 V on
VDDMMC (Refer to
7.7.3
Limitations and hardware configuration
Limitations with secondary function: SDIO2.
UM2662
Octo-SPI NOR Flash 1
UM2662
-
Rev 1
page 38/95