LPC18S50 datasheet(13/151 Pages) NXP

13 / 151 page

LPC18S50_S30_S10

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Product data sheet

Rev. 1 — 23 February 2015

13 of 151

NXP Semiconductors

LPC18S50/S30/S10

32-bit ARM Cortex-M3 microcontroller

P1_16

[2]

N; PU I/O

GPIO0[3] — General purpose digital input/output pin.

U2_RXD — Receiver input for USART2.

R — Function reserved.

ENET_CRS — Ethernet Carrier Sense (MII interface).

T0_MAT0 — Match output 0 of timer 0.

R — Function reserved.

ENET_RX_DV — Ethernet Receive Data Valid (RMII/MII

interface).

P1_17

H10

[3]

N; PU I/O

GPIO0[12] — General purpose digital input/output pin.

I/O

U2_UCLK — Serial clock input/output for USART2 in

synchronous mode.

R — Function reserved.

I/O

ENET_MDIO — Ethernet MIIM data input and output.

T0_CAP3 — Capture input 3 of timer 0.

CAN1_TD — CAN1 transmitter output.

R — Function reserved.

P1_18

N12

N10

J10

[2]

N; PU I/O

GPIO0[13] — General purpose digital input/output pin.

I/O

U2_DIR — RS-485/EIA-485 output enable/direction control for

USART2.

R — Function reserved.

ENET_TXD0 — Ethernet transmit data 0 (RMII/MII interface).

T0_MAT3 — Match output 3 of timer 0.

CAN1_RD — CAN1 receiver input.

R — Function reserved.

P1_19

M11

[2]

N; PU I

ENET_TX_CLK (ENET_REF_CLK) — Ethernet Transmit

Clock (MII interface) or Ethernet Reference Clock (RMII

interface).

I/O

SSP1_SCK — Serial clock for SSP1.

R — Function reserved.

CLKOUT — Clock output pin.

R — Function reserved.

I2S0_RX_MCLK — I2S receive master clock.

I/O

I2S1_TX_SCK — Transmit Clock. It is driven by the master

and received by the slave. Corresponds to the signal SCK in

the I2S-bus specification.

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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