参数资料
型号: OM13032,598
厂商: NXP Semiconductors
文件页数: 10/74页
文件大小: 0K
描述: BOARD EVAL LPC11U24
标准包装: 1
类型: MCU
适用于相关产品: LPC11U24
所含物品:
其它名称: 568-8599
LPC11U2X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2014. All rights reserved.
Product data sheet
Rev. 2.2 — 11 March 2014
18 of 74
NXP Semiconductors
LPC11U2x
32-bit ARM Cortex-M0 microcontroller
7.8.1 Features
GPIO pins can be configured as input or output by software.
All GPIO pins default to inputs with interrupt disabled at reset.
Pin registers allow pins to be sensed and set individually.
Up to eight GPIO pins can be selected from all GPIO pins to create an edge- or
level-sensitive GPIO interrupt request.
Any pin or pins in each port can trigger a port interrupt.
7.9 USB interface
The Universal Serial Bus (USB) is a 4-wire bus that supports communication between a
host and one or more (up to 127) peripherals. The host controller allocates the USB
bandwidth to attached devices through a token-based protocol. The bus supports
hot-plugging and dynamic configuration of the devices. The host controller initiates all
transactions.
The LPC11U2x USB interface consists of a full-speed device controller with on-chip PHY
(PHYsical layer) for device functions.
Remark: Configure the LPC11U2x in default power mode with the power profiles before
using the USB (see Section 7.17.5.1). Do not use the USB with the part in performance,
efficiency, or low-power mode.
7.9.1 Full-speed USB device controller
The device controller enables 12 Mbit/s data exchange with a USB Host controller. It
consists of a register interface, serial interface engine, and endpoint buffer memory. The
serial interface engine decodes the USB data stream and writes data to the appropriate
endpoint buffer. The status of a completed USB transfer or error condition is indicated via
status registers. If enabled, an interrupt is generated.
7.9.1.1
Features
Dedicated USB PLL available.
Fully compliant with USB 2.0 specification (full speed).
Supports 10 physical (5 logical) endpoints including one control endpoint.
Single and double buffering supported.
Each non-control endpoint supports bulk, interrupt, or isochronous endpoint types.
Supports wake-up from Deep-sleep mode and Power-down mode on USB activity
and remote wake-up.
Supports SoftConnect.
7.10 USART
The LPC11U2x contains one USART.
The USART includes full modem control, support for synchronous mode, and a smart
card interface. The RS-485/9-bit mode allows both software address detection and
automatic address detection using 9-bit mode.
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