Syscfg External Interrupt Configuration Register 2; (Syscfg_Exticr2); (Syscfg_Exticr3) - ST STM32F207 Series Reference Manual

RM0033
Bits 31:16
Bits 15:0 EXTIx[3:0]: EXTI x configuration (x = 0 to 3)
7.2.4

SYSCFG external interrupt configuration register 2

(SYSCFG_EXTICR2)

Address offset: 0x0C
Reset value: 0x0000
31 30 29
15 14 13
EXTI7[3:0]
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Bits 31:16
Bits 15:0 EXTIx[3:0]: EXTI x configuration (x = 4 to 7)
7.2.5 SYSCFG external interrupt configuration register 3

(SYSCFG_EXTICR3)

Address offset: 0x10
Reset value: 0x0000
31 30 29
15 14 13
EXTI11[3:0]
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Reserved
These bits are written by software to select the source input for the EXTIx external interrupt.
0000: PA[x] pin
0001: PB[x] pin
0010: PC[x] pin
0011: PD[x] pin
0100: PE[x] pin
0101: PF[C] pin
0110: PG[x] pin
0111: PH[x] pin
1000: PI[x] pin
28 27 26 25
12 11 10 9
EXTI6[3:0]
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Reserved
These bits are written by software to select the source input for the EXTIx external interrupt.
0000: PA[x] pin
0001: PB[x] pin
0010: PC[x] pin
0011: PD[x] pin
0100: PE[x] pin
0101: PF[x] pin
0110: PG[x] pin
0111: PH[x] pin
1000: PI[x] pin
28 27 26 25
12 11 10 9
EXTI10[3:0]
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System configuration controller (SYSCFG)
24 23 22
Reserved
8 7 6
EXTI5[3:0]
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24 23 22
Reserved
8 7 6
EXTI9[3:0]
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RM0033 Rev 9
21 20 19 18
5 4 3 2
EXTI4[3:0]
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21 20 19 18
5 4 3 2
EXTI8[3:0]
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17 16
1 0
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17 16
1 0
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