LPC1850 datasheet(15/84 Pages) NXP

15 / 84 page

LPC1850_30_20_10

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Objective data sheet

Rev. 1 — 3 January 2011

15 of 84

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

P6_6[2]

L14

I; PU

I/O

GPIO0[5] — General purpose digital input/output pin.

EXTBUS_BLS1 — LOW active Byte Lane select signal 1.

-n.c.

USB0_PWR_FAULT — Port power fault signal indicating overcurrent

condition; this signal monitors over-current on the USB bus (external circuitry

required to detect over-current condition).

P6_7[2]

J13

<tbd>

n.c.

I/O

EXTBUS_A15 — External memory address line 15.

-n.c.

USB0_IND1 — USB0 port indicator LED control output 1.

P6_8[2]

H13

<tbd>

n.c.

I/O

EXTBUS_A14 — External memory address line 14.

-n.c.

USB0_IND0 — USB0 port indicator LED control output 0.

P6_9[2]

J15

I; PU

I/O

GPIO3[5] — General purpose digital input/output pin.

-n.c.

EXTBUS_DYCS0 — SDRAM chip select 0.

P6_10[2]

H15

I; PU

I/O

GPIO3[6] — General purpose digital input/output pin.

MCABORT — Motor control PWM, LOW-active fast abort.

-n.c.

EXTBUS_DQMOUT1 — Data mask 1 used with SDRAM and static devices.

P6_11[2]

H12

I; PU

I/O

GPIO3[7] — General purpose digital input/output pin.

-n.c.

EXTBUS_CKEOUT0 — SDRAM clock enable 0.

P6_12[2]

G15

I; PU

I/O

GPIO2[8] — General purpose digital input/output pin.

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

-n.c.

EXTBUS_DQMOUT0 — Data mask 0 used with SDRAM and static devices.

P7_0[2]

B16

I; PU

I/O

GPIO3[8] — General purpose digital input/output pin.

CTOUT_14 — SCT output 14. Match output 2 of timer 3.

-n.c.

LCDLE — Line end signal.

P7_1[2]

C14

I; PU

I/O

GPIO3[9] — General purpose digital input/output pin.

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

I/O

I2S_TX_WS — Transmit Word Select. It is driven by the master and received

by the slave. Corresponds to the signal WS in the I2S-bus specification.

LCDVD19 — LCD data.

Table 3.

Pin description …continued

Symbol

Reset

state

[1]

Type Description

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