LPC43S30 datasheet(21/156 Pages) NXP

21 / 156 page

LPC43S50_S30_S20

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Product data sheet

Rev. 1.3 — 20 January 2020

21 of 156

NXP Semiconductors

LPC43S50/S30/S20

32-bit ARM Cortex-M4/M0 microcontroller

P3_4

A15

C14

119 [2] N;

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

C11

121 [2] N;

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.

P3_6

B13

B12

122 [2] N;

I/O GPIO0[6] — General purpose digital input/output pin.

I/O SPI_MISO — Master In Slave Out for SPI.

I/O SSP0_SSEL — Slave Select for SSP0.

I/O SPIFI_MISO — Input 1 in SPIFI quad mode; SPIFI output IO1.

R — Function reserved.

I/O SSP0_MISO — Master In Slave Out for SSP0.

R — Function reserved.

P3_7

C11

C10

123 [2] N;

R — Function reserved.

I/O SPI_MOSI — Master Out Slave In for SPI.

I/O SSP0_MISO — Master In Slave Out for SSP0.

I/O SPIFI_MOSI — Input I0 in SPIFI quad mode; SPIFI output IO0.

I/O GPIO5[10] — General purpose digital input/output pin.

I/O SSP0_MOSI — Master Out Slave in for SSP0.

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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