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RM0351 System configuration controller (SYSCFG)
285
8.2.11 SYSCFG register map
The following table gives the SYSCFG register map and the reset values.
Refer to Section 2.2.2 on page 67 for the register boundary addresses.
Table 34. SYSCFG register map and reset values
Offset Register
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
SYSCFG_
MEMRMP
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
FB_MODE
Res.
Res.
Res.
Res.
Res.
MEM_
MODE
Reset value 0xxx
0x04
SYSCFG_CFGR1 FPU_IE[5..0]
Res.
Res.
Res.
I2C3_FMP
I2C2_FMP
I2C1_FMP
I2C_PB9_FMP
I2C_PB8_FMP
I2C_PB7_FMP
I2C_PB6_FMP
Res.
Res.
Res.
Res.
Res.
Res.
Res.
BOOSTEN
Res.
Res.
Res.
Res.
Res.
Res.
Res.
FWDIS
Reset value 011111 0000000 0 0001
0x08
SYSCFG_EXTICR1
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
EXTI3
[2:0]
Res.
EXTI2
[2:0]
Res.
EXTI1
[2:0]
Res.
EXTI0
[2:0]
Reset value 0 0 0 0 0 0 0 0 0 0 0 0
0x0C
SYSCFG_EXTICR2
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
EXTI7
[2:0]
Res.
EXTI6
[2:0]
Res.
EXTI5
[2:0]
Res.
EXTI4
[2:0]
Reset value 0 0 0 0 0 0 0 0 0 0 0 0
0x10
SYSCFG_EXTICR3
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
EXTI11
[2:0]
Res.
EXTI10
[2:0]
Res.
EXTI9
[2:0]
Res.
EXTI8
[2:0]
Reset value 0 0 0 0 0 0 0 0 0 0 0 0
0x14
SYSCFG_EXTICR4
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
EXTI15
[2:0]
Res.
EXTI14
[2:0]
Res.
EXTI13
[2:0]
Res.
EXTI12
[2:0]
Reset value 0 0 0 0 0 0 0 0 0 0 0 0
0x18
SYSCFG_SCSR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SRAM2BSY
SRAM2ER
Reset value 00
0x1C
SYSCFG_CFGR2
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SPF
Res.
Res.
Res.
Res.
ECCL
PVDL
SPL
CLL
Reset value 00000
0x20
SYSCFG_SWPR
P31WP
P30WP
P29WP
P28WP
P27WP
P26WP
P25WP
P24WP
P23WP
P22WP
P21WP
P20WP
P19WP
P18WP
P17WP
P16WP
P15WP
P14WP
P13WP
P12WP
P11WP
P10WP
P9WP
P8WP
P7WP
P6WP
P5WP
P4WP
P3WP
P2WP
P1WP
P0WP
Reset value 00000000000000000000000000000000
0x24
SYSCFG_SKR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
KEY
Reset value 00000000
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