参数资料
型号: SAX-XC878CM-13FFI5V
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, RISC MICROCONTROLLER, PQFP64
封装: PLASTIC, TQFP-64
文件页数: 104/141页
文件大小: 2385K
代理商: SAX-XC878CM-13FFI5V
XC878CLM
Functional Description
Data Sheet
58
V1.1, 2009-08
3.4
Interrupt System
The XC800 Core supports one non-maskable interrupt (NMI) and 14 maskable interrupt
requests. In addition to the standard interrupt functions supported by the core, e.g.,
configurable interrupt priority and interrupt masking, the XC878 interrupt system
provides extended interrupt support capabilities such as the mapping of each interrupt
vector to several interrupt sources to increase the number of interrupt sources
supported, and additional status registers for detecting and determining the interrupt
source.
3.4.1
Interrupt Source
Figure 11 to Figure 15 give a general overview of the interrupt sources and nodes, and
their corresponding control and status flags.
Figure 11
Non-Maskable Interrupt Request Sources
0073
H
NMIWDT
NMICON.0
WDT Overflow
>=1
Non
Maskable
Interrupt
NMIPLL
NMICON.1
PLL Loss of Clock
NMIFLASH
Flash Timer Overflow
FNMIWDT
NMIISR.0
FNMIPLL
NMIISR.1
FNMIFLASH
NMIISR.2
NMIVDDP
NMICON.5
VDDP Pre-Warning
FNMIVDDP
NMIISR.5
NMIECC
NMICON.6
Flash ECC Error
FNMIECC
NMIISR.6
NMICON.2
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