LPC4350 datasheet(21/145 Pages) NXP

21 / 145 page

LPC4350_30_20_10

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Objective data sheet

Rev. 2.1 — 23 September 2011

21 of 145

NXP Semiconductors

LPC4350/30/20/10

32-bit ARM Cortex-M4/M0 microcontroller

P3_3

B14

169 118

[5]

I; PU -

R — Function reserved.

I/O

SPI_SCK — Serial clock for SPI.

I/O

SSP0_SCK — Serial clock for SSP0.

SPIFI_SCK — Serial clock for SPIFI.

CGU_OUT1 — CGU spare clock output 1.

R — Function reserved.

I2S0_TX_MCLK — I2S transmit master clock.

I/O

I2S1_TX_SCK — Receive Clock. It is driven by the

master and received by the slave. Corresponds to the

signal SCK in the I2S-bus specification.

P3_4

A15

171 119

[3]

I; PU I/O

GPIO1[14] — General purpose digital input/output

pin.

R — Function reserved.

I/O

SPIFI_SIO3 — I/O lane 3 for SPIFI.

U1_TXD — Transmitter output for UART 1.

I/O

I2S0_TX_WS — Transmit Word Select. It is driven by

the master and received by the slave. Corresponds to

the signal WS in the I2S-bus specification.

I/O

I2S1_RX_SDA — I2S1 Receive data. It is driven by

the transmitter and read by the receiver. Corresponds

to the signal SD in the I2S-bus specification.

LCD_VD13 — LCD data.

P3_5

C12

173 121

[3]

I; PU I/O

GPIO1[15] — General purpose digital input/output

pin.

R — Function reserved.

I/O

SPIFI_SIO2 — I/O lane 2 for SPIFI.

U1_RXD — Receiver input for UART 1.

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.

I/O

I2S1_RX_WS — Receive Word Select. It is driven by

the master and received by the slave. Corresponds to

the signal WS in the I2S-bus specification.

LCD_VD12 — LCD data.

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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