LPC18S50 datasheet(35/151 Pages) NXP

35 / 151 page

LPC18S50_S30_S10

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Product data sheet

Rev. 1 — 23 February 2015

35 of 151

NXP Semiconductors

LPC18S50/S30/S10

32-bit ARM Cortex-M3 microcontroller

P9_2

[2]

N; PU I/O

GPIO4[14] — General purpose digital input/output pin.

MCOB2 — Motor control PWM channel 2, output B.

R — Function reserved.

I/O

I2S0_TX_SDA — I2S transmit data. It is driven by the

transmitter and read by the receiver. Corresponds to the signal

SD in the I2S-bus specification.

ENET_RXD3 — Ethernet receive data 3 (MII interface).

R — Function reserved.

I/O

SSP0_MOSI — Master Out Slave in for SSP0.

P9_3

[2]

N; PU I/O

GPIO4[15] — General purpose digital input/output pin.

MCOA0 — Motor control PWM channel 0, output A.

USB1_IND1 — USB1 Port indicator LED control output 1.

R — Function reserved.

ENET_RXD2 — Ethernet receive data 2 (MII interface).

R — Function reserved.

U3_TXD — Transmitter output for USART3.

P9_4

N10

[2]

N; PU -

R — Function reserved.

MCOB0 — Motor control PWM channel 0, output B.

USB1_IND0 — USB1 Port indicator LED control output 0.

R — Function reserved.

I/O

GPIO5[17] — General purpose digital input/output pin.

ENET_TXD2 — Ethernet transmit data 2 (MII interface).

R — Function reserved.

U3_RXD — Receiver input for USART3.

P9_5

[2]

N; PU -

R — Function reserved.

MCOA1 — Motor control PWM channel 1, output A.

USB1_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.

R — Function reserved.

I/O

GPIO5[18] — General purpose digital input/output pin.

ENET_TXD3 — Ethernet transmit data 3 (MII interface).

R — Function reserved.

U0_TXD — Transmitter output for USART0.

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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