Datasheet

Product data sheet Rev. 1 — 4 June 2012 19 of 69

NXP Semiconductors

LPC3141/3143

Low-cost, low-power ARM926EJ microcontrollers

• Implemented as two independent 96 kB memory banks

6.9 Memory Card Interface (MCI)

The MCI controller interface can be used to access memory cards according to the

Secure Digital (SD) and Multi-Media Card (MMC) standards. The host controller can be

used to interface to small form factor expansion cards compliant to the SDIO card

standard as well. Finally, the MCI supports CE-ATA 1.1 compliant hard disk drives.

This module has the following features:

• One 8-bit wide interface.

• Supports high-speed SD, versions 1.01, 1.10 and 2.0.

• Supports SDIO version 1.10.

• Supports MMCplus, MMCmobile and MMCmicro cards based on MMC 4.1.

• Supports SDHC memory cards.

• CRC generation and checking.

• Supports 1/4-bit SD cards.

• Card detection and write protection.

• FIFO buffers of 16 byte deep.

• Host pull-up control.

• SDIO suspend and resume.

• 1 to 65 535 byte blocks.

• Suspend and resume operations.

• SDIO read-wait.

• Individual clock and power ON/OFF features to each card.

• Maximum clock speed of 52 MHz (MMC 4.1).

• Supports CE-ATA 1.1.

• Supports 1-bit, 4-bit, and 8-bit MMC cards and CE-ATA devices.

6.10 High-speed Universal Serial Bus 2.0 On-The-Go (OTG)

The USB OTG module allows the LPC3141/3143 to connect directly to a USB host such

as a PC (in device mode) or to a USB device in host mode. In addition, the LPC3141/3143

has a special, built-in mode in which it enumerates as a Device Firmware Upgrade (DFU)

class, and which allows for a (factory) download of the device firmware through USB.

This module has the following features:

• Complies with Universal Serial Bus specification 2.0.

• Complies with USB On-The-Go supplement.

• Complies with Enhanced Host Controller Interface Specification.

• Supports auto USB 2.0 mode discovery.

• Supports all high-speed USB-compliant peripherals.

• Supports all full-speed USB-compliant peripherals.