LPC4088 datasheet(49/123 Pages) NXP

49 / 123 page

LPC408X_7X

All information provided in this document is subject to legal disclaimers.

Objective data sheet

Rev. 1 — 17 September 2012

49 of 123

NXP Semiconductors

LPC408x/7x

32-bit ARM Cortex-M4 microcontroller

• Allows dynamic switching between CPU-controlled and DMA modes.

• Double buffer implementation for Bulk and Isochronous endpoints.

7.16.2 USB host controller

The host controller enables full- and low-speed data exchange with USB devices attached

to the bus. It consists of register interface, serial interface engine and DMA controller. The

7.16.2.1

Features

• OHCI compliant

• Two downstream ports

• Supports per-port power switching

7.16.3 USB OTG controller

USB OTG is a supplement to the USB 2.0 Specification that augments the capability of

existing mobile devices and USB peripherals by adding host functionality for connection to

USB peripherals.

The OTG Controller integrates the host controller, device controller, and a master-only I2C

interface to implement OTG dual-role device functionality. The dedicated I2C interface

controls an external OTG transceiver.

7.16.3.1

Features

• Fully compliant with On-The-Go supplement to the USB 2.0 Specification, Revision

1.0a.

• Hardware support for Host Negotiation Protocol (HNP).

• Includes a programmable timer required for HNP and Session Request Protocol

(SRP).

• Supports any OTG transceiver compliant with the OTG Transceiver Specification

(CEA-2011), Rev. 1.0.

7.17 SD/MMC card interface

Remark: The SD/MMC card interface is available on parts LPC4088/78/76.

The Secure Digital and Multimedia Card Interface (MCI) allows access to external SD

memory cards. The SD card interface conforms to the SD Multimedia Card Specification

Version 2.11.

7.17.1 Features

• The MCI provides all functions specific to the SD/MMC memory card. These include

the clock generation unit, power management control, and command and data

transfer.

• Conforms to Multimedia Card Specification v2.11.

• Conforms to Secure Digital Memory Card Physical Layer Specification, v0.96.

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