45
/
838
Nations Technologies Inc.
Tel
：
+86-755-86309900
：
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
2.3.3
EXTI event mask register (EXTI_EMASK)
Address offset: 0x04
Reset value: 0x0000 0000
Bit field
Name
Description
31:21
Reserved
Reserved, the reset value must be maintained.
20:0
EMASKx
Event mask on line x
0: Event request from line x is masked;
1: Event request from line x is not masked
2.3.4
Rising trigger selection register (EXTI_RT_CFG)
Address offset: 0x08
Reset value: 0x0000 0000
Bit field
Name
Description
31:21
Reserved
Reserved, the reset value must be maintained.
20:0
RT_CFGx
Rising trigger event configuration bit of line x.
0: Rising trigger disabled (interrupts and events) for input line x.
1: Rising trigger enabled (interrupts and events) for input line x.
2.3.5
Falling trigger selection register (EXTI_FT_CFG)
Address offset: 0x0C
Reset value: 0x0000 0000
