LPC2378 datasheet(12/68 Pages) NXP

12 / 68 page

LPC2377_78

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Product data sheet

Rev. 5 — 17 June 2010

12 of 68

NXP Semiconductors

LPC2377/78

Single-chip 16-bit/32-bit microcontrollers

P2[11]/EINT1/

MCIDAT1/

I2STX_CLK

75[6]

I/O

P2[11] — General purpose digital input/output pin.

EINT1 — External interrupt 1 input.

MCIDAT1 — Data line for SD/MMC interface.

I/O

I2STX_CLK — Transmit Clock. It is driven by the master and received by the slave.

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

P2[12]/EINT2/

MCIDAT2/

I2STX_WS

73[6]

I/O

P2[12] — General purpose digital input/output pin.

EINT2 — External interrupt 2 input.

MCIDAT2 — Data line for SD/MMC interface.

I/O

I2STX_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.

P2[13]/EINT3/

MCIDAT3/

I2STX_SDA

71[6]

I/O

P2[13] — General purpose digital input/output pin.

EINT3 — External interrupt 3 input.

MCIDAT3 — Data line for SD/MMC interface.

I/O

I2STX_SDA — Transmit data. It is driven by the transmitter and read by the

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

P3[0] to P3[31]

I/O

Port 3: Port 3 is a 32 bit I/O port with individual direction controls for each bit. The

operation of port 3 pins depends upon the pin function selected via the pin connect

block. Pins 8 through 22, and 27 through 31 of this port are not available.

P3[0]/D0

137[1]

I/O

P3[0] — General purpose digital input/output pin.

I/O

D0 — External memory data line 0.

P3[1]/D1

140[1]

I/O

P3[1] — General purpose digital input/output pin.

I/O

D1 — External memory data line 1.

P3[2]/D2

144[1]

I/O

P3[2] — General purpose digital input/output pin.

I/O

D2 — External memory data line 2.

P3[3]/D3

2[1]

I/O

P3[3] — General purpose digital input/output pin.

I/O

D3 — External memory data line 3.

P3[4]/D4

9[1]

I/O

P3[4] — General purpose digital input/output pin.

I/O

D4 — External memory data line 4.

P3[5]/D5

12[1]

I/O

P3[5] — General purpose digital input/output pin.

I/O

D5 — External memory data line 5.

P3[6]/D6

16[1]

I/O

P3[6] — General purpose digital input/output pin.

I/O

D6 — External memory data line 6.

P3[7]/D7

19[1]

I/O

P3[7] — General purpose digital input/output pin.

I/O

D7 — External memory data line 7.

P3[23]/CAP0[0]/

PCAP1[0]

45[1]

I/O

P3[23] — General purpose digital input/output pin.

CAP0[0] — Capture input for Timer 0, channel 0.

PCAP1[0] — Capture input for PWM1, channel 0.

P3[24]/CAP0[1]/

PWM1[1]

40[1]

I/O

P3[24] — General purpose digital input/output pin.

CAP0[1] — Capture input for Timer 0, channel 1.

PWM1[1] — Pulse Width Modulator 1, output 1.

Table 3.

Pin description …continued

Symbol

Type

Description

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