LPC1850 datasheet(20/84 Pages) NXP

20 / 84 page

LPC1850_30_20_10

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Objective data sheet

Rev. 1 — 3 January 2011

20 of 84

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

PC_2[2]

<tbd>

I/O

USB1_ULPI_D6 — ULPI link bidirectional data line 6.

SDIO_RST — SD/MMC reset signal for MMC4.4 card.

U1_CTS — Clear to Send input for UART 1.

ENET_TXD2 — Ethernet transmit data 2 (MII interface).

PC_3[2]

<tbd>

I/O

USB1_ULPI_D5 — ULPI link bidirectional data line 5.

SDIO_VOLT1 — SD/MMC bus voltage select output 1.

U1_RTS — Request to Send output for UART 1. Can also be configured to be

an RS-485/EIA-485 output enable signal for UART 1.

ENET_TXD3 — Ethernet transmit data 3 (MII interface).

PC_4[2]

<tbd>

I/O

SDIO_D0 — SD/MMC data bus line 0.

I/O

USB1_ULPI_D4 — ULPI link bidirectional data line 4.

I/O

SPIFI_CS — SPIFI serial flash chip select.

ENET_TX_EN — Ethernet transmit data enable (RMII/MII interface).

PC_5[2]

<tbd>

I/O

SDIO_D1 — SD/MMC data bus line 1.

I/O

USB1_ULPI_D3 — ULPI link bidirectional data line 3.

I/O

SPIFI_MISO — Input I1 in SPIFI quad mode; SPIFI output IO1.

ENET_TX_ER — Ethernet Transmit Error (MII interface).

PC_6[2]

<tbd>

I/O

SDIO_D2 — SD/MMC data bus line 2.

I/O

USB1_ULPI_D2 — ULPI link bidirectional data line 2.

-n.c.

ENET_RXD2 — Ethernet receive data 2 (RMII/MII interface).

PC_7[2]

<tbd>

I/O

SDIO_D3 — SD/MMC data bus line 3.

I/O

USB1_ULPI_D1 — ULPI link bidirectional data line 1.

-n.c.

ENET_RXD3 — Ethernet receive data 3 (RMII/MII interface).

PC_8[2]

<tbd>

SDIO_CD — SD/MMC card detect input.

I/O

USB1_ULPI_D0 — ULPI link bidirectional data line 0.

I/O

SPIFI_SIO2 — I/O lane 2 for SPIFI.

ENET_RX_DV — Ethernet Receive Data Valid (MII interface).

PC_9[2]

<tbd>

SDIO_POW — <tbd>.

USB1_ULPI_NXT — ULPI link NXT signal. Data flow control signal from the

PHY.

-n.c.

ENET_RX_ER — Ethernet receive error (RMII/MII interface).

PC_10[2]

<tbd>

I/O

SDIO_CMD — SD/MMC command signal.

USB1_ULPI_STP — ULPI link STP signal. Asserted to end or interrupt

transfers to the PHY.

U1_DSR — Data Set Ready input for UART 1.

-n.c.

Table 3.

Pin description …continued

Symbol

Reset

state

[1]

Type Description

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