STM32 C語(yǔ)言結(jié)構(gòu)體NVIC_Type寄存器后面六個(gè)組定義是什么作用

ID:140644 · 發(fā)表于 2022-5-15 06:55

typedef struct
{
  __IO uint32_t ISER[8];                   /*!< Offset: 0x000  Interrupt Set Enable Register          */
   uint32_t RESERVED0[24];             /********偏移量：0x000中斷設(shè)置啟用寄存器**********/
  __IO uint32_t ICER[8];                   /*!< Offset: 0x080  Interrupt Clear Enable Register       */
   uint32_t RSERVED1[24];                /********偏移量：0x080中斷清除啟用寄存器**********/
  __IO uint32_t ISPR[8];                   /*!< Offset: 0x100  Interrupt Set Pending Register       */
   uint32_t RESERVED2[24];             /********偏移量：0x100中斷設(shè)置掛起寄存器**********/
  __IO uint32_t ICPR[8];                   /*!< Offset: 0x180  Interrupt Clear Pending Register       */
   uint32_t RESERVED3[24];             /********偏移量：0x180中斷清除掛起寄存器**********/
  __IO uint32_t IABR[8];                   /*!< Offset: 0x200  Interrupt Active bit Register          */
   uint32_t RESERVED4[56];             /********偏移量：0x200中斷活動(dòng)位寄存器**********/
  __IO uint8_t  IP[240];                   /*!< Offset: 0x300  Interrupt Priority Register (8Bit wide) */
   uint32_t RESERVED5[644];             /********偏移量：0x300中斷優(yōu)先級(jí)寄存器（8位寬）**********/
  __O  uint32_t STIR;                      /*!< Offset: 0xE00  Software Trigger Interrupt Register    */
}  NVIC_Type;                               /********偏移量：0xE00軟件觸發(fā)中斷寄存器**********/

一    uint32_t RESERVED0[24];

二    uint32_t RSERVED1[24];

三    uint32_t RESERVED2[24];

四    uint32_t RESERVED3[24];

五    uint32_t RESERVED4[56];

六    uint32_t RESERVED5[644];