LPC1850 datasheet(16/142 Pages) NXP

16 / 142 page

LPC1850_30_20_10

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Preliminary data sheet

Rev. 2.2 — 9 September 2011

16 of 142

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

P2_4

K11

[4]

I; PU -

R — Function reserved.

I/O

I2C1_SCL — I2C1 clock input/output (this pin does not

use a specialized I2C pad).

U3_RXD — Receiver input for USART3.

CTIN_0 — SCT input 0. Capture input 0 of timer 0, 1,

2, 3.

I/O

GPIO5[4] — General purpose digital input/output pin.

R — Function reserved.

T3_MAT1 — Match output 1 of timer 3.

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).

P2_5

K14

D10 x

[4]

I; PU -

R — Function reserved.

CTIN_2 — SCT input 2. Capture input 2 of timer 0.

USB1_VBUS — Monitors the presence of USB1 bus

power.

Note: This signal must be HIGH for USB reset to

occur.

ADCTRIG1 — ADC trigger input 1.

I/O

GPIO5[5] — General purpose digital input/output pin.

R — Function reserved.

T3_MAT2 — Match output 2 of timer 3.

USB0_IND0 — USB0 port indicator LED control

output 0.

P2_6

K16

[3]

I; PU -

R — Function reserved.

I/O

U0_DIR — RS-485/EIA-485 output enable/direction

control for USART0.

I/O

EMC_A10 — External memory address line 10.

USB0_IND0 — USB0 port indicator LED control

output 0.

I/O

GPIO5[6] — General purpose digital input/output pin.

CTIN_7 — SCT input 7.

T3_CAP3 — Capture input 3 of timer 3.

R — Function reserved.

Table 3.

Pin description …continued

LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.

Symbol

Description

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