ST STM32H7B3I-EVAL User Manual

8 Secondary functions
Functions described in the chapter below have usage limitations with primary functions or with each other. For
further details, Refer to Section 8 Secondary functions for further details.
8.1 SRAM
8.1.1 Description
1Mx16bit SRAM ISSI IS61WV102416BLL-10MLI is connected to bank1 NOR/PSRAM2 of FMC interface and both
8-bit and 16-bit access are allowed by BLN0 and BLN1 connected to BLE and BHE of SRAM respectively.
8.1.2 Operating voltage
STM32H7B3LIH6QU FMC interface (SDRAM, SRAM, and NOR) can only be at 3.3 V on this board. Make sure to
supply 3.3 V on VDDMMC (Refer to Section 6.3.5 ).
8.1.3 Limitations and hardware configuration
Limitations with primary functions: camera (Refer to the jumper configuration in Table 46).
Limitations with secondary functions: OCSPI2.
UM2662
Secondary functions
UM2662 - Rev 1
page 50/95

ST STM32H7B3I-EVAL Specifications

General

Brand	ST
Model	STM32H7B3I-EVAL
Category	Motherboard
Language	English