GigaDevice Semiconductor GD32F10 Series, User Manual

Page: 169 / 853

GD32F10x User Manual
169
7.5.3.
Port input status register (GPIOx_ISTAT, x=A..G)
Address offset: 0x08
Reset value: 0x0000 XXXX
This register has to be accessed by word (32-bit).
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ISTAT15 ISTAT14 ISTAT13 ISTAT12 ISTAT11 ISTAT10 ISTAT 9 ISTAT 8 ISTAT 7 ISTAT 6 ISTAT 5 ISTAT 4 ISTAT 3 ISTAT 2 ISTAT 1 ISTAT 0
r r r r r r r r r r r r r r r r
Bits Fields Descriptions
31:16 Reserved Must be kept at reset value.
15:0 ISTATy Port input status(y=0..15)
These bits are set and cleared by hardware
0: Input signal low
1: Input signal high
7.5.4.
Port output control register (GPIOx_OCTL, x=A..G)
Address offset: 0x0C
Reset value: 0x0000 0000
This register has to be accessed by word(32-bit).
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OCTL15 OCTL14 OCTL13 OCTL12 OCTL11 OCTL10 OCTL9 OCTL8 OCTL7 OCTL6 OCTL5 OCTL4 OCTL3 OCTL2 OCTL1 OCTL0
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits Fields Descriptions
31:16 Reserved Must be kept at reset value.
15:0 OCTLy Port output control(y=0..15)
These bits are set and cleared by software
0: Pin output low
1: Pin output high