ST STM32L0x3 User Manual

RM0367 Rev 7 253/1043
RM0367 General-purpose I/Os (GPIO)
254
9.4.12 GPIO register map
The following table gives the GPIO register map and reset values.
Table 48. GPIO register map and reset values
Offset Register name
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12
11
10
9 8 7 6 5 4 3 2 1 0
0x00
GPIOA_MODER
MODE15[1:0] MODE14[1:0] MODE13[1:0] MODE12[1:0]
MODE11[1:0]
MODE10[1:0]
MODE9[1:0] MODE8[1:0] MODE7[1:0] MODE6[1:0] MODE5[1:0] MODE4[1:0] MODE3[1:0] MODE2[1:0] MODE1[1:0] MODE0[1:0]
Reset value 11101011111111111111110011111111
0x00
GPIOx_MODER
(where x =
B..E, H)
MODE15[1:0] MODE14[1:0] MODE13[1:0] MODE12[1:0]
MODE11[1:0]
MODE10[1:0]
MODE9[1:0] MODE8[1:0] MODE7[1:0] MODE6[1:0] MODE5[1:0] MODE4[1:0] MODE3[1:0] MODE2[1:0] MODE1[1:0] MODE0[1:0]
Reset value 11111111111111111111111111111111
0x00
GPIOx_MODER
(where x =
C..K)
MODER15[1:0] MODER14[1:0] MODER13[1:0] MODER12[1:0]
MODER11[1:0]
MODER10[1:0]
MODER9[1:0] MODER8[1:0] MODER7[1:0] MODER6[1:0] MODER5[1:0] MODER4[1:0] MODER3[1:0] MODER2[1:0]
MODER[1:0]
MODER0[1:0]
Reset value 11111111111111111111111111111111
0x04
GPIOx_OTYPER
(where x = A..E,H)
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
OT15 OT14 OT13 OT12
OT11
OT10
OT9 OT8 OT7 OT6 OT5 OT4 OT3 OT2 OT1 OT0
Reset value 0000000000000000
0x08
GPIOA_OSPEEDR
OSPEED15[1:0] OSPEED14[1:0] OSPEED13[1:0] OSPEED12[1:0]
OSPEED11[1:0]
OSPEED10[1:0]
OSPEED9[1:0] OSPEED8[1:0] OSPEED7[1:0] OSPEED6[1:0] OSPEED5[1:0] OSPEED4[1:0] OSPEED3[1:0] OSPEED2[1:0] OSPEED1[1:0] OSPEED0[1:0]
Reset value 00001100000000000000000000000000
0x08
GPIOx_OSPEEDR
(where x = B..E,H)
OSPEED15[1:0] OSPEED14[1:0] OSPEED13[1:0] OSPEED12[1:0]
OSPEED11[1:0]
OSPEED10[1:0]
OSPEED9[1:0] OSPEED8[1:0] OSPEED7[1:0] OSPEED6[1:0] OSPEED5[1:0] OSPEED4[1:0] OSPEED3[1:0] OSPEED2[1:0] OSPEED1[1:0] OSPEED0[1:0]
Reset value 00000000000000000000000000000000
0x0C
GPIOA_PUPDR
PUPD15[1:0] PUPD14[1:0] PUPD13[1:0] PUPD12[1:0]
PUPD11[1:0]
PUPD10[1:0]
PUPD9[1:0] PUPD8[1:0] PUPD7[1:0] PUPD6[1:0] PUPD5[1:0] PUPD4[1:0] PUPD3[1:0] PUPD2[1:0] PUPD1[1:0] PUPD0[1:0]
Reset value 00100100000000000000000000000000
0x10
GPIOx_IDR
(where x = A..E,H)
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
ID15 ID14 ID13 ID12
ID11
ID10
ID9 ID8 ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0
Reset value xxxxxxxxxxxxxxxx
0x14
GPIOx_ODR
(where x = A..E,H)
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
OD15 OD14 OD13 OD12
OD11
OD10
OD9 OD8 OD7 OD6 OD5 OD4 OD3 OD2 OD1 OD0
Reset value 0000000000000000
0x18
GPIOx_BSRR
(where x = A..E,H)
BR15 BR14 BR13 BR12
BR11
BR10
BR9 BR8 BR7 BR6 BR5 BR4 BR3 BR2 BR1 BR0
BS15 BS14 BS13 BS12
BS11
BS10
BS9 BS8 BS7 BS6 BS5 BS4 BS3 BS2 BS1 BS0
Reset value 00000000000000000000000000000000
0x1C
GPIOx_LCKR
(where x = A..E,H)
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
LCKK
LCK15 LCK14 LCK13 LCK12
LCK11
LCK10
LCK9 LCK8 LCK7 LCK6 LCK5 LCK4 LCK3 LCK2 LCK1 LCK0
Reset value 00000000000000000

ST STM32L0x3 Specifications

General

Brand	ST
Model	STM32L0x3
Category	Microcontrollers
Language	English