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| 型号： | EA-OEM-410 |
| 厂商： | Embedded Artists |
| 文件页数： | 31/57页 |
| 文件大小： | 0K |
| 描述： | KIT LPC3250 259 WITH QVGA |
| 标准包装： | 1 |
| 类型： | MCU |
| 适用于相关产品： | LPC3250 |
| 所含物品： | 基板，线缆，OEM 板，序列号 |
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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
37 of 79
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
7.8.1 UARTs
The LPC3220/30/40/50 contains seven UARTs. Four are standard UARTs, and three are
high-speed UARTs.
7.8.1.1
Standard UARTs
The four standard UARTs are compatible with the INS16Cx50. These UARTs support
rates up to 460800 bit/s from a 13 MHz peripheral clock.
Features
Each standard UART has 64 byte Receive and Transmit FIFOs.
Receiver FIFO trigger points at 16, 32, 48, and 60 Bytes.
Transmitter FIFO trigger points at 0, 4, 8, and 16 Bytes.
Register locations conform to the “550” industry standard.
Each standard UART has a fractional rate pre-divider and an internal baud rate
generator.
The standard UARTs support three clocking modes: on, off, and auto-clock. The
auto-clock mode shuts off the clock to the UART when it is idle.
UART 6 includes an IrDA mode to support infrared communication.
The standard UARTs are designed to support data rates of (2400, 4800, 9600,
19200, 38400, 57600, 115200, 230400, 460800) bit/s.
Each UART includes an internal loopback mode.
7.8.1.2
High-speed UARTs
The three high-speed UARTs are designed to support rates up to 921600 bit/s from a
13 MHz peripheral clock for on-board communication in low noise conditions. This is
accomplished by changing the over sampling from 16
to 14 and altering the rate
generation logic.
Features
Each high-speed UART has 64-byte Receive and Transmit FIFOs.
Receiver FIFO trigger points at 1, 4, 8, 16, 32, and 48 B.
Transmitter FIFO trigger points at 0, 4, and 8 B.
Each high-speed UART has an internal baud rate generator.
The high-speed UARTs are designed to support data rates of (2400, 4800, 9600,
19200, 38400, 57600, 115200, 230400, 460800, 921600) bit/s.
The three high speed UARTs only support (8N1) 8-bit data word length, 1-stop bit, no
parity, and no flow control as a the communications protocol.
Each UART includes an internal loopback mode.
7.8.2 SPI serial I/O controller
The LPC3220/30/40/50 has two Serial Peripheral Interfaces (SPI). The SPI is a 3-wire
serial interface that is able to interface with a large range of serial peripheral or memory
devices (SPI mode 0 to 3 compatible slave devices).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EA-OEM-411 | 功能描述:开发板和工具包 - ARM LPC3250 DEVELOPMENT KIT V2 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 |
| EA-OEM-509 | 功能描述:开发板和工具包 - ARM DEVELOPMENT KIT LPC1788-32 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 |
| EA-OEM-510 | 功能描述:开发板和工具包 - ARM DEVELOPMENT KIT LPC4088 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 |
| EA-OEM-511 | 功能描述:开发板和工具包 - ARM DEVELOPMENT KIT LPC4357 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 |
| EAORF2-10M | 制造商:Shure 功能描述:Medium Orange Foam (5 pair). |
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