参数资料
型号: XRM48L950ZWTT
厂商: Texas Instruments
文件页数: 173/176页
文件大小: 0K
描述: MCU 16/32Bit FLASH 3MB 337NFBGA
标准包装: 1
系列: Hercules™ ARM® RM4x
应用: 工业安全,医疗
核心处理器: ARM? Cortex? - R4F
程序存储器类型: 闪存(3MB)
控制器系列: RM4
RAM 容量: 256K x 8
接口: CAN,以太网,I²C,LIN,MibSPI,SCI,SPI,USB
输入/输出数: 120
电源电压: 1.14 V ~ 3.6 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 337-LFBGA
包装: 托盘
供应商设备封装: 337-NFBGA(16x16)
其它名称: 296-29390
SPNS174A – APRIL 2012 – REVISED SEPTEMBER 2013
4.15 Vectored Interrupt Manager
The vectored interrupt manager (VIM) provides hardware assistance for prioritizing and controlling the
many interrupt sources present on this device. Interrupts are caused by events outside of the normal flow
of program execution. Normally, these events require a timely response from the central processing unit
(CPU); therefore, when an interrupt occurs, the CPU switches execution from the normal program flow to
an interrupt service routine (ISR).
4.15.1 VIM Features
The VIM module has the following features:
Supports 96 interrupt channels.
Provides programmable priority and enable for interrupt request lines.
Provides a direct hardware dispatch mechanism for fastest IRQ dispatch.
Provides two software dispatch mechanisms when the CPU VIC port is not used.
Index interrupt
Register vectored interrupt
Parity protected vector interrupt table
4.15.2 Interrupt Request Assignments
Table 4-31. Interrupt Request Assignments
Modules
Interrupt Sources
Default VIM Interrupt
Channel
ESM
ESM High level interrupt (NMI)
0
Reserved
1
RTI
RTI compare interrupt 0
2
RTI
RTI compare interrupt 1
3
RTI
RTI compare interrupt 2
4
RTI
RTI compare interrupt 3
5
RTI
RTI overflow interrupt 0
6
RTI
RTI overflow interrupt 1
7
RTI
RTI timebase interrupt
8
GPIO
GPIO interrupt A
9
N2HET1
N2HET1 level 0 interrupt
10
HTU1
HTU1 level 0 interrupt
11
MIBSPI1
MIBSPI1 level 0 interrupt
12
LIN
LIN level 0 interrupt
13
MIBADC1
MIBADC1 event group interrupt
14
MIBADC1
MIBADC1 sw group 1 interrupt
15
DCAN1
DCAN1 level 0 interrupt
16
SPI2
SPI2 level 0 interrupt
17
Reserved
18
CRC
CRC Interrupt
19
ESM
ESM Low level interrupt
20
SYSTEM
Software interrupt (SSI)
21
CPU
PMU Interrupt
22
GPIO
GPIO interrupt B
23
N2HET1
N2HET1 level 1 interrupt
24
HTU1
HTU1 level 1 interrupt
25
MIBSPI1
MIBSPI1 level 1 interrupt
26
96
System Information and Electrical Specifications
Copyright 2012–2013, Texas Instruments Incorporated
Product Folder Links: RM48L950 RM48L750 RM48L550
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