LPC1850 datasheet(15/157 Pages) PHILIPS

15 / 157 page

LPC1850_30_20_10

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Preliminary data sheet

Rev. 3 — 6 December 2011

15 of 157

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

P2_0

T16

G10 108

[3]

I; PU -

R — Function reserved.

U0_TXD — Transmitter output for USART0.

I/O

EMC_A13 — External memory address line 13.

USB0_PPWR — VBUS drive signal (towards

external charge pump or power management unit);

indicates that VBUS must be driven (active high).

Add a pull-down resistor to disable the power switch

at reset. This signal has opposite polarity compared

to the USB_PPWR used on other NXP LPC parts.

I/O

GPIO5[0] — General purpose digital input/output pin.

R — Function reserved.

T3_CAP0 — Capture input 0 of timer 3.

ENET_MDC — Ethernet MIIM clock.

P2_1

N15

116

[3]

I; PU -

R — Function reserved.

U0_RXD — Receiver input for USART0.

I/O

EMC_A12 — External memory address line 12.

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).

I/O

GPIO5[1] — General purpose digital input/output pin.

R — Function reserved.

T3_CAP1 — Capture input 1 of timer 3.

R — Function reserved.

P2_2

M15

121

[3]

I; PU -

R — Function reserved.

I/O

U0_UCLK — Serial clock input/output for USART0 in

synchronous mode.

I/O

EMC_A11 — External memory address line 11.

USB0_IND1 — USB0 port indicator LED control

output 1.

I/O

GPIO5[2] — General purpose digital input/output pin.

CTIN_6 — SCT input 6. Capture input 1 of timer 3.

T3_CAP2 — Capture input 2 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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