LPC1850 datasheet(21/84 Pages) NXP

21 / 84 page

LPC1850_30_20_10

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Objective data sheet

Rev. 1 — 3 January 2011

21 of 84

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

PC_11[2]

<tbd>

I/O

SDIO_D4 — SD/MMC data bus line 4.

USB1_ULPI_DIR — ULPI link DIR signal. Controls the ULP data line

direction.

U1_DCD — Data Carrier Detect input for UART 1.

-n.c.

PC_12[2]

<tbd>

I/O

SDIO_D5 — SD/MMC data bus line 5.

-n.c.

U1_DTR — Data Terminal Ready output for UART 1. Can also be configured

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

-n.c.

PC_13[2]

<tbd>

I/O

SDIO_D6 — SD/MMC data bus line 6.

-n.c.

U1_TXD — Transmitter output for UART 1.

-n.c.

PC_14[2]

<tbd>

I/O

SDIO_D7 — SD/MMC data bus line 7.

-n.c.

U1_RXD — Receiver input for UART 1.

-n.c.

PD_0[2]

<tbd>

n.c.

CTOUT_15 — SCT output 15. Match output 3 of timer 3.

EXTBUS_DQMOUT2 — Data mask 2 used with SDRAM and static devices.

-n.c.

PD_1[2]

<tbd>

n.c.

-n.c.

EXTBUS_CKEOUT2 — SDRAM clock enable 2.

-n.c.

PD_2[2]

<tbd>

n.c.

CTOUT_7 — SCT output 7. Match output 3 of timer 1.

I/O

EXTBUS_D16 — External memory data line 16.

-n.c.

PD_3[2]

<tbd>

n.c.

CTOUT_6 — SCT output 7. Match output 2 of timer 1.

I/O

EXTBUS_D17 — External memory data line 17.

-n.c.

PD_4[2]

<tbd>

n.c.

CTOUT_8 — SCT output 8. Match output 0 of timer 2.

I/O

EXTBUS_D18 — External memory data line 18.

-n.c.

Table 3.

Pin description …continued

Symbol

Reset

state

[1]

Type Description

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