ST STM32L0x3 User Manual

General-purpose I/Os (GPIO) RM0367
248/1043 RM0367 Rev 7
9.4.4 GPIO port pull-up/pull-down register (GPIOx_PUPDR)
(x = A to E and H)
Address offset: 0x0C
Reset value: 0x2400 0000 (for port A)
Reset value: 0x0000 0000 (for the other ports)
9.4.5 GPIO port input data register (GPIOx_IDR)
(x = A to E and H)
Address offset: 0x10
Reset value: 0x0000 XXXX
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PUPD15[1:0] PUPD14[1:0] PUPD13[1:0] PUPD12[1:0] PUPD11[1:0] PUPD10[1:0] PUPD9[1:0] PUPD8[1:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
PUPD7[1:0] PUPD6[1:0] PUPD5[1:0] PUPD4[1:0] PUPD3[1:0] PUPD2[1:0] PUPD1[1:0] PUPD0[1:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:0 PUPD[15:0][1:0]: Port x configuration I/O pin y (y = 15 to 0)
These bits are written by software to configure the I/O pull-up or pull-down
00: No pull-up, pull-down
01: Pull-up
10: Pull-down
11: Reserved
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
ID15 ID14 ID13 ID12 ID11 ID10 ID9 ID8 ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0
rrrrrr r r r r rrrrrr
Bits 31:16 Reserved, must be kept at reset value.
Bits 15:0 ID[15:0]: Port x input data I/O pin y (y = 15 to 0)
These bits are read-only. They contain the input value of the corresponding I/O port.

ST STM32L0x3 Specifications

General

Brand	ST
Model	STM32L0x3
Category	Microcontrollers
Language	English