LPC1786 datasheet(21/117 Pages) NXP

21 / 117 page

LPC178X_7X

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Objective data sheet

Rev. 2 — 27 May 2011

21 of 117

NXP Semiconductors

LPC178x/7x

32-bit ARM Cortex-M3 microcontroller

P1[27]

T12

[3]

I/O

P1[27] — General purpose digital input/output pin.

USB_INT1 — USB port 1 OTG transceiver interrupt (OTG

transceiver).

USB_OVRCR1 — USB port 1 Over-Current status.

T0_CAP1 — Capture input for Timer 0, channel 1.

CLKOUT — Selectable clock output.

R — Function reserved.

LCD_VD[13] — LCD data.

LCD_VD[21] — LCD data.

P1[28]

T13

P10

[3]

I/O

P1[28] — General purpose digital input/output pin.

I/O

USB_SCL1 — USB port 1 I2C serial clock (OTG transceiver).

PWM1_CAP0 — Capture input for PWM1, channel 0.

T0_MAT0 — Match output for Timer 0, channel 0.

MC_2A — Motor control PWM channel 2, output A.

I/O

SSP0_SSEL — Slave Select for SSP0.

LCD_VD[14] — LCD data.

LCD_VD[22] — LCD data.

P1[29]

U14

N10

[3]

I/O

P1[29] — General purpose digital input/output pin.

I/O

USB_SDA1 — USB port 1 I2C serial data (OTG transceiver).

PWM1_CAP1 — Capture input for PWM1, channel 1.

T0_MAT1 — Match output for Timer 0, channel 0.

MC_2B — Motor control PWM channel 2, output B.

U4_TXD — Transmitter output for USART4 (input/output in

smart card mode).

LCD_VD[15] — LCD data.

LCD_VD[23] — LCD data.

P1[30]

[5]

I/O

P1[30] — General purpose digital input/output pin.

USB_PWRD2 — Power Status for USB port 2.

USB_VBUS — Monitors the presence of USB bus power.

This signal must be HIGH for USB reset to occur.

ADC0_IN[4] — A/D converter 0, input 4. When configured as an

ADC input, the digital function of the pin must be disabled.

I/O

I2C0_SDA — I2C0 data input/output (this pin does not use a

specialized I2C pad.

U3_OE — RS-485/EIA-485 output enable signal for UART3.

Table 3.

Pin description …continued

Not all functions are available on all parts. See Table 2 (Ethernet, USB, LCD, QEI, SD/MMC, DAC pins) and Table 7 (EMC

pins).

Symbol

Description

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