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参数资料
| 型号： | OM11078 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 21/57页 |
| 文件大小： | 0K |
| 描述： | KIT LCD TOUCH 5.7" FOR LPC3250 |
| 标准包装： | 1 |
| 传感器类型： | 触摸屏幕 |
| 电源电压： | 5V |
| 嵌入式： | 是，MCU，16/32 位 |
| 已供物品： | 主板，LPC3250 板，LCD 触摸屏板，线缆，CD，调试器，电源 |
| 已用 IC / 零件： | LPC3250 ARM9 |
| 配用： | 568-4744-ND - MODULE DIMM LPC3250 ARM9 568-4742-ND - MODULE DIMM LPC2478 ARM7 |
| 相关产品： | 568-4533-ND - IC ARM9 MCU 256K 296-TFBGA |
| 其它名称： | 568-4743 |
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LPC3220_30_40_50
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 20 October 2011
28 of 79
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
7.4 Internal memory
7.4.1 On-chip ROM
The built-in 16 kB ROM contains a program which runs a boot procedure to load code
from one of four external sources, UART 5, SSP0 (SPI mode), EMC Static CS0 memory,
or NAND FLASH.
After reset, execution always begins from the internal ROM. The bootstrap software first
reads the SERVICE input (GPI_1). If SERVICE is LOW, the bootstrap starts a service boot
and can download a program over serial link UART 5 to IRAM and transfer execution to
the downloaded code.
If the SERVICE pin is HIGH, the bootstrap routine jumps to normal boot. The normal boot
process first tests SPI memory for boot information if present it uploads the boot code and
transfers execution to the uploaded software. If the SPI is not present or no software is
loaded, the bootloader will test the EMC Static CS0 memory for the presence of boot code
and if present boots from static memory, If this test fails the boot loader will test external
NAND flash for boot code and boot if code is present.
The boot loader consumes no user memory space because it is in ROM.
7.4.2 On-chip SRAM
On-chip SRAM may be used for code and/or data storage. The SRAM may be accessed
as 8, 16, or 32 bit memory. The LPC3220/30/40/50 provides 256 kB of internal SRAM.
7.5 External memory interfaces
The LPC3220/30/40/50 includes three external memory interfaces, NAND Flash
controllers, Secure Digital Memory Controller, and an external memory controller for
SDRAM, DDR SDRAM, and Static Memory devices.
7.5.1 NAND flash controllers
The LPC3220/30/40/50 includes two NAND flash controllers, one for multi-level cell
NAND flash devices and one for single-level cell NAND flash devices. The two NAND
flash controllers use the same pins to interface to external NAND flash devices, so only
one interface is active at a time.
7.5.1.1
Multi-Level Cell (MLC) NAND flash controller
The MLC NAND flash controller interfaces to either multi-level or single-level NAND flash
devices. An external NAND flash device is used to allow the bootloader to automatically
load a portion of the application code into internal SRAM for execution following reset.
The MLC NAND flash controller supports small (528 byte) and large (2114 byte) pages.
Programmable NAND timing parameters allow support for a variety of NAND flash
devices. A built-in Reed-Solomon encoder/decoder provides error detection and
correction capability. A 528 byte data buffer reduces the need for CPU supervision during
loading. The MLC NAND flash controller also provides DMA support.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| OM11078,598 | 功能描述:开发板和工具包 - ARM NXP LPC3250 IRD2.0-5.7"LCD/Lnx RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| OM11079 | 功能描述:MODULE DIMM LPC3250 ARM9 RoHS:是 类别:编程器，开发系统 >> 配件 系列:- 标准包装:1 系列:- 附件类型:适配器板 适用于相关产品:RCB230，RCB231，RCB212 配用:26790D-ND - RCB BREAKOUT BOARD RS232 CABLE |
| OM11079,598 | 功能描述:开发板和工具包 - ARM NXP LPC3250 SODIMM for IRD2.0 RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| OM11080,598 | 制造商:NXP Semiconductors 功能描述:LPC1768 CORTEX-M3 3.2" 2X40 LCD DISPLAY KIT, ARM CORTEX-M3 M - Boxed Product (Development Kits) |
| OM11082,598 | 功能描述:开发板和工具包 - ARM NXP LPC3250 IRD2.0-5.7"LCD/Lnx RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
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