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| 型号： | SAK-XC2232N-40F80L |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封装： | 0.50 MM PITCH, GREEN, PLASTIC, LQFP-64 |
| 文件页数： | 41/110页 |
| 文件大小： | 1601K |
| 代理商： | SAK-XC2232N-40F80L |
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XC2232N, XC2234N, XC2236N, XC2238N
XC2000 Family / Value Line
Functional Description
Data Sheet
36
V1.3, 2010-04
3.5
Interrupt System
The architecture of the XC223xN supports several mechanisms for fast and flexible
response to service requests; these can be generated from various sources internal or
external to the microcontroller. Any of these interrupt requests can be programmed to be
serviced by the Interrupt Controller or by the Peripheral Event Controller (PEC).
Using a standard interrupt service the current program execution is suspended and a
branch to the interrupt vector table is performed. With the PEC just one cycle is ‘stolen’
from the current CPU activity to perform the PEC service. A PEC service implies a single
byte or word data transfer between any two memory locations with an additional
increment of either the PEC source pointer, the destination pointer, or both. An individual
PEC transfer counter is implicitly decremented for each PEC service except when
performing in the continuous transfer mode. When this counter reaches zero, a standard
interrupt is performed to the corresponding source-related vector location. PEC services
are particularly well suited to supporting the transmission or reception of blocks of data.
The XC223xN has eight PEC channels, each with fast interrupt-driven data transfer
capabilities.
With a minimum interrupt response time of 7/11
1) CPU clocks, the XC223xN can react
quickly to the occurrence of non-deterministic events.
Interrupt Nodes and Source Selection
The interrupt system provides 96 physical nodes with separate control register
containing an interrupt request flag, an interrupt enable flag and an interrupt priority bit
field. Most interrupt sources are assigned to a dedicated node. A particular subset of
interrupt sources shares a set of nodes. The source selection can be programmed using
the interrupt source selection (ISSR) registers.
External Request Unit (ERU)
A dedicated External Request Unit (ERU) is provided to route and preprocess selected
on-chip peripheral and external interrupt requests. The ERU features 4 programmable
input channels with event trigger logic (ETL) a routing matrix and 4 output gating units
(OGU). The ETL features rising edge, falling edge, or both edges event detection. The
OGU combines the detected interrupt events and provides filtering capabilities
depending on a programmable pattern match or miss.
Trap Processing
The XC223xN provides efficient mechanisms to identify and process exceptions or error
conditions that arise during run-time, the so-called ‘Hardware Traps’. A hardware trap
causes an immediate system reaction similar to a standard interrupt service (branching
1) Depending if the jump cache is used or not.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SAK-XC2232N-40F80LAA | 制造商:Infineon Technologies AG 功能描述: |
| SAK-XC2234L-20F66L AA | 功能描述:16位微控制器 - MCU 16/32b Sngl Chip MCU 32Bit Perform 66MHz RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| SAK-XC2236N-16F66LAA | 制造商:Infineon Technologies AG 功能描述: |
| SAK-XC2236N-24F40L | 功能描述:16位微控制器 - MCU 16 BIT FLASH RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| SAK-XC2236N-24F40L AA | 功能描述:16位微控制器 - MCU 16-Bit Single-Chip MCU w/32 Bit Perform RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
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