LPC3131 datasheet(32/68 Pages) NXP

32 / 68 page

LPC3130_3131_1

Preliminary data sheet

Rev. 1 — 9 February 2009

32 of 68

NXP Semiconductors

LPC3130/3131

Low-cost, low-power ARM926EJ-S microcontrollers

mLCD_DB_15

LCD_DB_15

EBI_A_15

LCD_DB_15 — LCD bidirectional data line 15.

EBI_A_15 — EBI address line 15.

Storage related pin multiplexing

mGPIO5

GPIO5

MCI_CLK

GPIO5 — General Purpose I/O pin 5.

MCI_CLK — MCI card clock.

mGPIO6

GPIO6

MCI_CMD

GPIO_6 — General Purpose I/O pin 6.

MCI_CMD — MCI card command input/output.

mGPIO7

GPIO7

MCI_DAT_0

GPIO7 — General Purpose I/O pin 7.

MCI_DAT_0 — MCI card data input/output line 0.

mGPIO8

GPIO8

MCI_DAT_1

GPIO8 — General Purpose I/O pin 8.

MCI_DAT_1 — MCI card data input/output line 1.

mGPIO9

GPIO9

MCI_DAT_2

GPIO9 — General Purpose I/O pin 9.

MCI_DAT_2 — MCI card data input/output line 2.

mGPIO10

GPIO10

MCI_DAT_3

GPIO10 — General Purpose I/O pin 10.

MCI_DAT_3 — MCI card data input/output line 3.

NAND related pin multiplexing

mNAND_RYBN0 NAND_RYBN0

MCI_DAT_4

NAND_RYBN0 — NAND ﬂash controller Read/Not busy signal 0.

MCI_DAT_4 — MCI card data input/output line 4.

mNAND_RYBN1 NAND_RYBN1

MCI_DAT_5

NAND_RYBN1 — NAND ﬂash controller Read/Not busy signal 1.

MCI_DAT_5 — MCI card data input/output line 5.

mNAND_RYBN2 NAND_RYBN2

MCI_DAT_6

NAND_RYBN2 — NAND ﬂash controller Read/Not busy signal 2.

MCI_DAT_6 — MCI card data input/output line 6.

mNAND_RYBN3 NAND_RYBN3

MCI_DAT7

NAND_RYBN3 — NAND ﬂash controller Read/Not busy signal 3.

MCI_DAT7 — MCI card data input/output line 7.

Audio related pin multiplexing

mI2STX_DATA0

I2STX_DATA0

PCM_DA

I2STX_DATA0 — I2S-bus interface 0 transmit data signal.

PCM_DA — PCM serial data line A.

mI2STX_BCK0

I2STX_BCK0

PCM_FSC

I2STX_BCK0 — I2S-bus interface 0 transmit bitclock signal.

PCM_FSC — PCM frame synchronization signal.

mI2STX_WS0

I2STX_WS0

PCM_DCLK

I2STX_WS0 — I2S-bus interface 0 transmit word select signal.

PCM_DCLK — PCM data clock output.

mI2STX_CLK0

I2STX_CLK0

PCM_DB

I2STX_CLK0 — I2S-bus interface 0 transmit clock signal.

PCM_DB — PCM serial data line B.

UART related pin multiplexing

mUART_CTS_N

UART_CTS_N

SPI_CS_OUT1 UART_CTS_N — UART modem control Clear-to-send signal.

SPI_CS_OUT1 — SPI chip select out for slave 1 (used in master

mode).

mUART_RTS_N

UART_RTS_N

SPI_CS_OUT2 UART_RTS_N — UART modem control Request-to-Send signal.

SPI_CS_OUT2 — SPI chip select out for slave 2 (used in master

mode).

Table 10.

Pin descriptions of multiplexed pins …continued

Pin Name

Default Signal

Alternate

Signal

Description

LPC3131 Datasheet(PDF) 32 Page - NXP Semiconductors

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