LPC18S50 datasheet(14/151 Pages) NXP

14 / 151 page

LPC18S50_S30_S10

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Product data sheet

Rev. 1 — 23 February 2015

14 of 151

NXP Semiconductors

LPC18S50/S30/S10

32-bit ARM Cortex-M3 microcontroller

P1_20

M10

J10

K10

[2]

N; PU I/O

GPIO0[15] — General purpose digital input/output pin.

I/O

SSP1_SSEL — Slave Select for SSP1.

R — Function reserved.

ENET_TXD1 — Ethernet transmit data 1 (RMII/MII interface).

T0_CAP2 — Capture input 2 of timer 0.

R — Function reserved.

P2_0

T16

N14

G10 75

[2]

N; 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

M13

[2]

N; 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.

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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