GigaDevice Semiconductor GD32F3x0 - Port Input Status Register (Gpiox_Istat, X=A

GD32F3x0 User Manual
137
Refer to PUD0[1:0] description
19:18
PUD9[1:0]
Pin 9 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
17:16
PUD8[1:0]
Pin 8 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
15:14
PUD7[1:0]
Pin 7 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
13:12
PUD6[1:0]
Pin 6 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
11:10
PUD5[1:0]
Pin 5 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
9:8
PUD4[1:0]
Pin 4 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
7:6
PUD3[1:0]
Pin 3 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
5:4
PUD2[1:0]
Pin 2 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
3:2
PUD1[1:0]
Pin 1 pull-up or pull-down bits
These bits are set and cleared by software.
Refer to PUD0[1:0] description
1:0
PUD0[1:0]
Pin 0 pull-up or pull-down bits
These bits are set and cleared by software.
00: Floating mode, no pull-up and pull-down (reset value)
01: With pull-up mode
10: With pull-down mode
11: Reserved
7.4.5. Port input status register (GPIOx_ISTAT, x=A..D,F)
Address offset: 0x10
Reset value: 0x0000 XXXX