參數(shù)資料
型號： XC888LM
廠商： INFINEON TECHNOLOGIES AG
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù)： 60/119頁
文件大小： 895K
代理商： XC888LM
XC886/888CLM
Functional Description
Data Sheet
Prelimary
56
V0.1, 2006-02
3.4.3
Each interrupt source, except for NMI, can be individually programmed to one of the four
possible priority levels. The NMI has the highest priority and supersedes all other
interrupts. Two pairs of interrupt priority registers (IP and IPH, IP1 and IPH1) are
available to program the priority level of each non-NMI interrupt vector.
A low-priority interrupt can be interrupted by a high-priority interrupt, but not by another
interrupt of the same or lower priority. Further, an interrupt of the highest priority cannot
be interrupted by any other interrupt source.
If two or more requests of different priority levels are received simultaneously, the
request of the highest priority is serviced first. If requests of the same priority are
received simultaneously, then an internal polling sequence determines which request is
serviced first. Thus, within each priority level, there is a second priority structure
determined by the polling sequence shown in
Table 21
.
Interrupt Priority
Table 21
Source
Non-Maskable Interrupt (NMI)
External Interrupt 0
Timer 0 Interrupt
External Interrupt 1
Timer 1 Interrupt
UART Interrupt
Timer 2
,
UART Fractional Divider, MCAN, LIN
Interrupt
ADC, MCAN Interrupt
SSC Interrupt
External Interrupt 2, Timer 21, UART1, UART1
Fractional Divider, MDU, CORDIC Interrupt
External Interrupt [6:3], MCAN Interrupt
CCU6 Interrupt Node Pointer 0, MCAN interrupt 11
CCU6 Interrupt Node Pointer 1, MCAN Interrupt 12
CCU6 Interrupt Node Pointer 2, MCAN Interrupt 13
CCU6 Interrupt Node Pointer 3, MCAN Interrupt 14
Priority Structure within Interrupt Level
Level
(highest)
1
2
3
4
5
6
7
8
9
10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XC888LM6FFA5VACKXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 8-bit XC800 8051 CISC 24KB Flash 2.5V/5V 64-Pin TQFP 制造商:Infineon Technologies AG 功能描述:8 BIT FLASH - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 8BIT FLASH 64-LQFP
XC888LM6FFI3V3ACFXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 8-BIT XC800 8051 CISC 24KB FLASH 2.5V/3.3V 64-PIN TQFP 制造商:Infineon Technologies AG 功能描述:8 BIT FLASH - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 8BIT 32KB FLASH 64TQFP
XC888LM8FFI5VACFXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 8-BIT XC800 8051 CISC 32KB FLASH 2.5V/5V 64-PIN TQFP 制造商:Infineon Technologies AG 功能描述:8 BIT FLASH - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 8BIT FLASH 64-LQFP
XC88915TFN100 制造商:Motorola Inc 功能描述:
XC88916DW55 制造商:Motorola Inc 功能描述:
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