STM32F4 的 4K backup sram如何当做eeprom使用？

a-410805

手册上是这么写的。
The backup domain includes 4Kbytes of backup SRAM accessible only from the CPU, and
 mode
address in 32-bit, 16-bit or 8-bit mode. Its content is retained even in Standby or V
BAT
when the low power backup regulator is enabled. It can be considered as an internal
 is always present.
EEPROM when VBAT is always present.
我如何才能把变量定义到这4K  SRAM

火雷达

IAR有预定义命令，能够直接把变量定位到地址，可以看看IAR的文档，keil也有的。

zhliu2005

看stm32的手册，没看到有讲Backup sram的具体地址分配