參數(shù)資料
型號: LPC2214FBD144
廠商: NXP Semiconductors N.V.
元件分類: 數(shù)學處理器
英文描述: Single-chip 16-32-bit ARM microcontrollers; 128-256 kB ISP-IAP flash with 10-bit ADC and external memory interface
封裝: LPC2212FBD144/01<SOT486-1 (LQFP144)|<<http://www.nxp.com/packages/SOT486-1.html<1<Always Pb-free,;LPC2214FBD144/01<SOT486-1 (LQFP144)|<<http://www.nxp.com/packages/SOT486
文件頁數(shù): 14/47頁
文件大?。?/td> 337K
代理商: LPC2214FBD144
LPC2212_2214
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 14 June 2011
14 of 47
NXP Semiconductors
LPC2212/2214
Single-chip 16/32-bit ARM microcontrollers
6.5 Interrupt controller
The Vectored Interrupt Controller (VIC) accepts all of the interrupt request inputs and
categorizes them as Fast Interrupt reQuest (FIQ), vectored Interrupt ReQuest (IRQ), and
non-vectored IRQ as defined by programmable settings. The programmable assignment
scheme means that priorities of interrupts from the various peripherals can be dynamically
assigned and adjusted.
The FIQ has the highest priority. If more than one request is assigned to FIQ, the VIC
combines the requests to produce the FIQ signal to the ARM processor. The fastest
possible FIQ latency is achieved when only one request is classified as FIQ, because then
the FIQ service routine can simply start dealing with that device. But if more than one
request is assigned to the FIQ class, the FIQ service routine can read a word from the VIC
that identifies which FIQ source(s) is (are) requesting an interrupt.
Fig 3.
LPC2212/2214 memory map
AHB PERIPHERALS
APB PERIPHERALS
RESERVED ADDRESS SPACE
BOOT BLOCK (RE-MAPPED FROM
ON-CHIP FLASH MEMORY)
RESERVED ADDRESS SPACE
16 kB ON-CHIP STATIC RAM
RESERVED ADDRESS SPACE
256 kB ON-CHIP FLASH MEMORY (LPC2214)
0xFFFF FFFF
0xF000 0000
0xEFFF FFFF
0xE000 0000
0xDFFF FFFF
0xC000 0000
0x8000 0000
0x7FFF FFFF
0x7FFF E000
0x7FFF DFFF
0x4000 4000
0x4000 3FFF
0x4000 0000
0x3FFF FFFF
0x0004 0000
0x0003 FFFF
0x0002 0000
0x0001 FFFF
4.0 GB
3.75 GB
3.5 GB
3.0 GB
2.0 GB
1.0 GB
128 kB ON-CHIP FLASH MEMORY (LPC2212)
0x0000 0000
0.0 GB
002aad183
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LPC2214FBD144,551 功能描述:ARM微控制器 - MCU PREF PART LPC2214FBD144/01-S RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
LPC2214FBD144,557 制造商:NXP Semiconductors 功能描述:IC,MCU ARM7, 144LQFP
LPC2214FBD144/00 制造商:NXP Semiconductors 功能描述:16/32BIT ARM7 MCU 128K FLASH SMD
LPC2214FBD144/00,5 制造商:NXP Semiconductors 功能描述:MCU 16-Bit/32-Bit LPC2000 ARM7TDMI-S RISC 256KB Flash 1.8V/3.3V 144-Pin LQFP Tray
LPC2214FBD144/00,551 制造商:NXP 功能描述:0