LPC4350_13 datasheet(73/153 Pages) NXP

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LPC4350_30_20_10

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Product data sheet

Rev. 4 — 26 March 2013

73 of 153

NXP Semiconductors

LPC4350/30/20/10

32-bit ARM Cortex-M4/M0 microcontroller

– Output enable and write enable delays

– Extended wait

• Four chip selects for synchronous memory and four chip selects for static memory

devices.

• Power-saving modes dynamically control EMC_CKEOUT and EMC_CLK signals to

SDRAMs.

• Dynamic memory self-refresh mode controlled by software.

• Controller supports 2048 (A0 to A10), 4096 (A0 to A11), and 8192 (A0 to A12) row

address synchronous memory parts. Those are typically 512 MB, 256 MB, and

128 MB parts, with 4, 8, 16, or 32 data bits per device.

• Separate reset domains allow auto-refresh through a chip reset if desired.

• SDRAM clock can run at full or half the Cortex-M4 core frequency.

Note: Synchronous static memory devices (synchronous burst mode) are not supported.

7.17.5 High-speed USB Host/Device/OTG interface (USB0)

Remark: The USB0 controller is available on parts LPC4350/30/20. See Table 2.

The USB OTG module allows the LPC4350/30/20/10 to connect directly to a USB Host

such as a PC (in device mode) or to a USB Device in host mode.

7.17.5.1

Features

• On-chip UTMI+ compliant high-speed transceiver (PHY).

• 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.

• Supports software Host Negotiation Protocol (HNP) and Session Request Protocol

(SRP) for OTG peripherals.

• Supports interrupts.

• This module has its own, integrated DMA engine.

• USB interface electrical test software included in ROM USB stack.

7.17.6 High-speed USB Host/Device interface with ULPI (USB1)

Remark: The USB1 controller is available on parts LPC4350/30. See Table 2.

The USB1 interface can operate as a full-speed USB Host/Device interface or can

connect to an external ULPI PHY for High-speed operation.

7.17.6.1

Features

• Complies with Universal Serial Bus specification 2.0.

• Complies with Enhanced Host Controller Interface Specification.

• Supports auto USB 2.0 mode discovery.

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