LPC2378 datasheet(8/68 Pages) NXP

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LPC2377_78

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Product data sheet

Rev. 5 — 17 June 2010

8 of 68

NXP Semiconductors

LPC2377/78

Single-chip 16-bit/32-bit microcontrollers

P0[18]/DCD1/

MOSI0/MOSI

86[1]

I/O

P0[18] — General purpose digital input/output pin.

DCD1 — Data Carrier Detect input for UART1.

I/O

MOSI0 — Master Out Slave In for SSP0.

I/O

MOSI — Master Out Slave In for SPI.

P0[19]/DSR1/

MCICLK/SDA1

85[1]

I/O

P0[19] — General purpose digital input/output pin.

DSR1 — Data Set Ready input for UART1.

MCICLK — Clock output line for SD/MMC interface.

I/O

SDA1 — I2C1 data input/output (this is not an open-drain pin).

P0[20]/DTR1/

MCICMD/SCL1

83[1]

I/O

P0[20] — General purpose digital input/output pin.

DTR1 — Data Terminal Ready output for UART1.

MCICMD — Command line for SD/MMC interface.

I/O

SCL1 — I2C1 clock input/output (this is not an open-drain pin).

P0[21]/RI1/

MCIPWR/RD1

82[1]

I/O

P0[21] — General purpose digital input/output pin.

RI1 — Ring Indicator input for UART1.

MCIPWR — Power Supply Enable for external SD/MMC power supply.

RD1 — CAN1 receiver input. (LPC2378 only)

P0[22]/RTS1/

MCIDAT0/TD1

80[1]

I/O

P0[22] — General purpose digital input/output pin.

RTS1 — Request to Send output for UART1.

MCIDAT0 — Data line for SD/MMC interface.

TD1 — CAN1 transmitter output. (LPC2378 only)

P0[23]/AD0[0]/

I2SRX_CLK/

CAP3[0]

13[2]

I/O

P0[23] — General purpose digital input/output pin.

AD0[0] — A/D converter 0, input 0.

I/O

I2SRX_CLK — Receive Clock. It is driven by the master and received by the slave.

Corresponds to the signal SCK in the I2S-bus specification.

CAP3[0] — Capture input for Timer 3, channel 0.

P0[24]/AD0[1]/

I2SRX_WS/

CAP3[1]

11[3]

I/O

P0[24] — General purpose digital input/output pin.

AD0[1] — A/D converter 0, input 1.

I/O

I2SRX_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.

CAP3[1] — Capture input for Timer 3, channel 1.

P0[25]/AD0[2]/

I2SRX_SDA/

TXD3

10[2]

I/O

P0[25] — General purpose digital input/output pin.

AD0[2] — A/D converter 0, input 2.

I/O

I2SRX_SDA — Receive data. It is driven by the transmitter and read by the

receiver. Corresponds to the signal SD in the I2S-bus specification.

TXD3 — Transmitter output for UART3.

P0[26]/AD0[3]/

AOUT/RXD3

8[2]

I/O

P0[26] — General purpose digital input/output pin.

AD0[3] — A/D converter 0, input 3.

AOUT — D/A converter output.

RXD3 — Receiver input for UART3.

P0[27]/SDA0

35[4]

I/O

P0[27] — General purpose digital input/output pin. Output is open-drain.

I/O

SDA0 — I2C0 data input/output. Open-drain output (for I2C-bus compliance).

Table 3.

Pin description …continued

Symbol

Type

Description

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