LPC1766 datasheet(12/66 Pages) NXP

12 / 66 page

LPC1769_68_67_66_65_64_4

Product data sheet

Rev. 04 — 1 February 2010

12 of 66

NXP Semiconductors

LPC1769/68/67/66/65/64

32-bit ARM Cortex-M3 microcontroller

P2[4]/PWM1[5]/

DSR1/

TRACEDATA[1]

69[1]

I/O

P2[4] — General purpose digital input/output pin.

PWM1[5] — Pulse Width Modulator 1, channel 5 output.

DSR1 — Data Set Ready input for UART1.

TRACEDATA[1] — Trace data, bit 1.

P2[5]/PWM1[6]/

DTR1/

TRACEDATA[0]

68[1]

I/O

P2[5] — General purpose digital input/output pin.

PWM1[6] — Pulse Width Modulator 1, channel 6 output.

DTR1 — Data Terminal Ready output for UART1. Can also be configured to be an

RS-485/EIA-485 output enable signal.

TRACEDATA[0] — Trace data, bit 0.

P2[6]/PCAP1[0]/

RI1/TRACECLK

67[1]

I/O

P2[6] — General purpose digital input/output pin.

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

RI1 — Ring Indicator input for UART1.

TRACECLK — Trace Clock.

P2[7]/RD2/

RTS1

66[1]

I/O

P2[7] — General purpose digital input/output pin.

RD2 — CAN2 receiver input. (LPC1769/68/66/65/64 only).

RTS1 — Request to Send output for UART1. Can also be configured to be an

RS-485/EIA-485 output enable signal.

P2[8]/TD2/

TXD2

65[1]

I/O

P2[8] — General purpose digital input/output pin.

TD2 — CAN2 transmitter output. (LPC1769/68/66/65/64 only).

TXD2 — Transmitter output for UART2.

P2[9]/

USB_CONNECT/

RXD2

64[1]

I/O

P2[9] — General purpose digital input/output pin.

USB_CONNECT — Signal used to switch an external 1.5 k

Ω resistor under

software control. Used with the SoftConnect USB feature. (LPC1769/68/66/65/64

only).

RXD2 — Receiver input for UART2.

P2[10]/EINT0/NMI

53[6]

I/O

P2[10] — General purpose digital input/output pin.

Note: LOW on this pin while RESET is LOW forces on-chip bootloader to take

over control of the part after a reset.

EINT0 — External interrupt 0 input.

NMI — Non-maskable interrupt input.

P2[11]/EINT1/

I2STX_CLK

52[6]

I/O

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

EINT1 — External interrupt 1 input.

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.

(LPC1769/68/67/66/65 only).

P2[12]/EINT2/

I2STX_WS

51[6]

I/O

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

EINT2 — External interrupt 2 input.

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.

(LPC1769/68/67/66/65 only).

Table 3.

Pin description …continued

Symbol

Type

Description

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