LPC1766_0.02
© NXP B.V. 2008. All rights reserved.
Objective data sheet
Rev. 00.02 — 12 August 2008
11 of 70
NXP Semiconductors
LPC1766
Fast communication chip
P1[30]/VBUS/
AD0[4]
21[2]
I/O
P1[30] — General purpose digital input/output pin.
I
VBUS — Monitors the presence of USB bus power.
Note: This signal must be HIGH for USB reset to occur.
I
AD0[4] — A/D converter 0, input 4.
P1[31]/SCK1/
AD0[5]
20[2]
I/O
P1[31] — General purpose digital input/output pin.
I/O
SCK1 — Serial Clock for SSP1.
I
AD0[5] — A/D converter 0, input 5.
P2[0] to P2[31]
I/O
Port 2: Port 2 is a 32-bit I/O port with individual direction controls for each bit. The
operation of port 2 pins depends upon the pin function selected via the pin connect
block. Pins 14 through 31 of this port are not available.
P2[0]/PWM1[1]/
TXD1
75[1]
I/O
P2[0] — General purpose digital input/output pin.
O
PWM1[1] — Pulse Width Modulator 1, channel 1 output.
O
TXD1 — Transmitter output for UART1.
P2[1]/PWM1[2]/
RXD1
74[1]
I/O
P2[1] — General purpose digital input/output pin.
O
PWM1[2] — Pulse Width Modulator 1, channel 2 output.
I
RXD1 — Receiver input for UART1.
P2[2]/PWM1[3]/
CTS1/
TRACEDATA[3]
73[1]
I/O
P2[2] — General purpose digital input/output pin.
O
PWM1[3] — Pulse Width Modulator 1, channel 3 output.
I
CTS1 — Clear to Send input for UART1.
O
TRACEDATA[3] — Trace data, bit 3.
P2[3]/PWM1[4]/
DCD1/
TRACEDATA[2]
70[1]
I/O
P2[3] — General purpose digital input/output pin.
O
PWM1[4] — Pulse Width Modulator 1, channel 4 output.
I
DCD1 — Data Carrier Detect input for UART1.
O
TRACEDATA[2] — Trace data, bit 2.
P2[4]/PWM1[5]/
DSR1/
TRACEDATA[1]
69[1]
I/O
P2[4] — General purpose digital input/output pin.
O
PWM1[5] — Pulse Width Modulator 1, channel 5 output.
I
DSR1 — Data Set Ready input for UART1.
O
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.
O
PWM1[6] — Pulse Width Modulator 1, channel 6 output.
O
DTR1 — Data Terminal Ready output for UART1.
O
TRACEDATA[0] — Trace data, bit 0.
P2[6]/PCAP1[0]/
RI1/TRACECLK
67[1]
I/O
P2[6] — General purpose digital input/output pin.
I
PCAP1[0] — Capture input for PWM1, channel 0.
I
RI1 — Ring Indicator input for UART1.
O
TRACECLK — Trace Clock.
P2[7]/RD2/
RTS1
66[1]
I/O
P2[7] — General purpose digital input/output pin.
I
RD2 — CAN2 receiver input.
O
RTS1 — Request to Send output for UART1.
Table 3.
Pin description …continued
Symbol
Pin
Type
Description