Регистры Allwinner H616
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PG_EINT_CTL
9.6.4. PG External Interrupt Control Register - адрес: 0x300b2d0 (смещение: 0x02D0)

Контроллер портов ввода-вывода (GPIO): список регистров

31 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 16
15 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 00

  Unused

Bits 31 : 20

  EINT19_CTL

Bit 19
R/W
0x0

External INT19 Enable
0: Disable
1: Enable

  EINT18_CTL

Bit 18
R/W
0x0

External INT18 Enable
0: Disable
1: Enable

  EINT17_CTL

Bit 17
R/W
0x0

External INT17 Enable
0: Disable
1: Enable

  EINT16_CTL

Bit 16
R/W
0x0

External INT16 Enable
0: Disable
1: Enable

  EINT15_CTL

Bit 15
R/W
0x0

External INT15 Enable
0: Disable
1: Enable

  EINT14_CTL

Bit 14
R/W
0x0

External INT14 Enable
0: Disable
1: Enable

  EINT13_CTL

Bit 13
R/W
0x0

External INT13 Enable
0: Disable
1: Enable

  EINT12_CTL

Bit 12
R/W
0x0

External INT12 Enable
0: Disable
1: Enable

  EINT11_CTL

Bit 11
R/W
0x0

External INT11 Enable
0: Disable
1: Enable

  EINT10_CTL

Bit 10
R/W
0x0

External INT10 Enable
0: Disable
1: Enable

  EINT9_CTL

Bit 9
R/W
0x0

External INT9 Enable
0: Disable
1: Enable

  EINT8_CTL

Bit 8
R/W
0x0

External INT8 Enable
0: Disable
1: Enable

  EINT7_CTL

Bit 7
R/W
0x0

External INT7 Enable
0: Disable
1: Enable

  EINT6_CTL

Bit 6
R/W
0x0

External INT6 Enable
0: Disable
1: Enable

  EINT5_CTL

Bit 5
R/W
0x0

External INT5 Enable
0: Disable
1: Enable

  EINT4_CTL

Bit 4
R/W
0x0

External INT4 Enable
0: Disable
1: Enable

  EINT3_CTL

Bit 3
R/W
0x0

External INT3 Enable
0: Disable
1: Enable

  EINT2_CTL

Bit 2
R/W
0x0

External INT2 Enable
0: Disable
1: Enable

  EINT1_CTL

Bit 1
R/W
0x0

External INT1 Enable
0: Disable
1: Enable

  EINT0_CTL

Bit 0
R/W
0x0

External INT0 Enable
0: Disable
1: Enable

Команда U-Boot для чтения регистра

md 300b2d0 1

Bit fields structure 

typedef union  pg_eint_ctl
{
  struct
  {
   unsigned eint0_ctl : 1;
   unsigned eint1_ctl : 1;
   unsigned eint2_ctl : 1;
   unsigned eint3_ctl : 1;
   unsigned eint4_ctl : 1;
   unsigned eint5_ctl : 1;
   unsigned eint6_ctl : 1;
   unsigned eint7_ctl : 1;
   unsigned eint8_ctl : 1;
   unsigned eint9_ctl : 1;
   unsigned eint10_ctl : 1;
   unsigned eint11_ctl : 1;
   unsigned eint12_ctl : 1;
   unsigned eint13_ctl : 1;
   unsigned eint14_ctl : 1;
   unsigned eint15_ctl : 1;
   unsigned eint16_ctl : 1;
   unsigned eint17_ctl : 1;
   unsigned eint18_ctl : 1;
   unsigned eint19_ctl : 1;
   unsigned unused0 : 12;
  } b;
   unsigned long w;
} PG_EINT_CTL
Allwinner H616 Manual