Exti Register Map; Table 41. External Interrupt/Event Controller Register Map And Reset Values - ST STM32F423 Reference Manual

Advanced arm-based 32-bit mcus
Hide thumbs Also See for STM32F423:
Table of Contents

Advertisement

RM0430
10.3.7

EXTI register map

Table 41

Table 41. External interrupt/event controller register map and reset values

Offset
Register
EXTI_IMR
0x00
Reset value
EXTI_EMR
0x04
Reset value
EXTI_RTSR
0x08
Reset value
EXTI_FTSR
0x0C
Reset value
EXTI_SWIER
0x10
Reset value
EXTI_PR
0x14
Reset value
Refer to
boundary addresses.
gives the EXTI register map and the reset values.
[23:21]
0
[23:21]
0
[23:21]
0
[23:21]
0
SWIER
[23:21]
0
[23:21]
0
Section 2.2.2: Memory map and register boundary addresses
MR
0
0
0
0
0
0
MR
0
0
0
0
0
0
TR
0
0
0
0
0
0
TR
0
0
0
0
0
0
0
0
0
0
0
0
PR
0
0
0
0
0
0
RM0430 Rev 8
Interrupts and events
MR[18:0]
0
0
0
0
0
0
0
0
0
MR[18:0]
0
0
0
0
0
0
0
0
0
TR[18:0]
0
0
0
0
0
0
0
0
0
TR[18:0]
0
0
0
0
0
0
0
0
0
SWIER[18:0]
0
0
0
0
0
0
0
0
0
PR[18:0]
0
0
0
0
0
0
0
0
0
for the register
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
263/1324
263

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the STM32F423 and is the answer not in the manual?

Table of Contents