CC2640R2_LAUNCHXL_NVSCC26XX0 和 CC2640R2_LAUNCHXL_NVSSPI25X0有什么区别吗？

/*!
 *  @def    CC2640R2_LAUNCHXL_NVSName
 *  @brief  Enum of NVS names
 */
typedef enum CC2640R2_LAUNCHXL_NVSName {
#ifndef Board_EXCLUDE_NVS_INTERNAL_FLASH
    CC2640R2_LAUNCHXL_NVSCC26XX0 = 0,
#endif
#ifndef Board_EXCLUDE_NVS_EXTERNAL_FLASH
    CC2640R2_LAUNCHXL_NVSSPI25X0,
#endif

    CC2640R2_LAUNCHXL_NVSCOUNT
} CC2640R2_LAUNCHXL_NVSName;