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Nested vector interrupt controller (NVIC)
Full name and abbreviation description of terms
Table 43 Full name and abbreviation description of terms
Full name in English
English abbreviation
Non Maskable Interrupt
NMI
Introduction
The Cortex-M4 core in the product integrates nested vectored interrupt
controller (NVIC), which is closely coupled with the core, and can handle
exceptions and interrupts and power management control efficiently and with
low delay. Please see
Cortex-M4 Technical Reference Manual
for more
instructions about NVIC.
Main characteristics
85 maskable interrupt channels (excluding 16 Arm
®
Cortex
®
-M4 interrupt
lines)
8 programmable priority levels (use 3-bit interrupt priority level)
Low-delay exception and interrupt processing
Power management control
Realization of system control register
Interrupt and exception vector table
Table 44 APM32F407xExG Interrupt and Exception Vector Table
Exception type
Vector No.
Priority
Vector address
Description
-
-
-
0x0000_0000
Reserved
Reset
-
-3
0x0000_0004
Reset
NMI
-
-2
0x0000_0008
Non-maskable interrupt
HardFault
-
-1
0x0000_000C
Various hardware faults
MemManage
-
Can be set
0x0000_0010
Memory management
BusFault
-
Can be set
0x0000_0014
-
UsageFault
-
Can be set
0x0000_0018
-
-
-
-
0x0000_001C-
0x0000_002B
Reserved