DocID018909 Rev 11
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RM0090
System configuration controller (SYSCFG)
303
9.3.8
SYSCFG register maps for STM32F42xxx and STM32F43xxx
The following table gives the SYSCFG register map and the reset values.
for the register boundary addresses.
Table 41. SYSCFG register map and reset values (STM32F42xxx and STM32F43xxx)
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
Reserved
SWP_
FMC
Reserved
FB_MODE
Reserved
MEM_
MODE
Reset value
0 0
0
x
x
x
0x04
SYSCFG_PMC
Reserved
M
II_
RM
II
_
S
E
L
Reserved
ADC3DC2
ADC2DC2
ADC1DC2
Reserved
Reset value
0
0 0 0
0x08
SYSCFG_EXTICR1
Reserved
EXTI3[3:0]
EXTI2[3:0]
EXTI1[3:0]
EXTI0[3:0]
Reset value
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0x0C
SYSCFG_EXTICR2
Reserved
EXTI7[3:0]
EXTI6[3:0]
EXTI5[3:0]
EXTI4[3:0]
Reset value
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0x10
SYSCFG_EXTICR3
Reserved
EXTI11[3:0]
EXTI10[3:0]
EXTI9[3:0]
EXTI8[3:0]
Reset value
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0x14
SYSCFG_EXTICR4
Reserved
EXTI15[3:0]
EXTI14[3:0]
EXTI13[3:0]
EXTI12[3:0]
Reset value
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0x20
SYSCFG_CMPCR
Reserved
READY
Reserved
CMP_P
D
Reset value
0
0