LPC1766_0.02
© NXP B.V. 2008. All rights reserved.
Objective data sheet
Rev. 00.02 — 12 August 2008
9 of 70
NXP Semiconductors
LPC1766
Fast communication chip
P0[28]/SCL0/
USB_SCL
24[4]
I/O
P0[28] — General purpose digital input/output pin. Output is open-drain.
I/O
SCL0 — I2C0 clock input/output. Open-drain output (for I2C-bus compliance).
I/O
USB_SCL — USB port I2C serial clock (OTG transceiver).
P0[29]/USB_D+
29[5]
I/O
P0[29] — General purpose digital input/output pin.
I/O
USB_D+ — USB bidirectional D+ line.
P0[30]/USB_D
−
30[5]
I/O
P0[30] — General purpose digital input/output pin.
I/O
USB_D
− — USB bidirectional D− line.
P1[0] to P1[31]
I/O
Port 1: Port 1 is a 32-bit I/O port with individual direction controls for each bit. The
operation of port 1 pins depends upon the pin function selected via the pin connect
block. Pins 2, 3, 5, 6, 7, 11, 12, and 13 of this port are not available.
P1[0]/
ENET_TXD0
95[1]
I/O
P1[0] — General purpose digital input/output pin.
O
ENET_TXD0 — Ethernet transmit data 0.
P1[1]/
ENET_TXD1
94[1]
I/O
P1[1] — General purpose digital input/output pin.
O
ENET_TXD1 — Ethernet transmit data 1.
P1[4]/
ENET_TX_EN
93[1]
I/O
P1[4] — General purpose digital input/output pin.
O
ENET_TX_EN — Ethernet transmit data enable.
P1[8]/
ENET_CRS
92[1]
I/O
P1[8] — General purpose digital input/output pin.
I
ENET_CRS — Ethernet carrier sense.
P1[9]/
ENET_RXD0
91[1]
I/O
P1[9] — General purpose digital input/output pin.
I
ENET_RXD0 — Ethernet receive data.
P1[10]/
ENET_RXD1
90[1]
I/O
P1[10] — General purpose digital input/output pin.
I
ENET_RXD1 — Ethernet receive data.
P1[14]/
ENET_RX_ER
89[1]
I/O
P1[14] — General purpose digital input/output pin.
I
ENET_RX_ER — Ethernet receive error.
P1[15]/
ENET_REF_CLK
88[1]
I/O
P1[15] — General purpose digital input/output pin.
I
ENET_REF_CLK — Ethernet reference clock.
P1[16]/
ENET_MDC
87[1]
I/O
P1[16] — General purpose digital input/output pin.
O
ENET_MDC — Ethernet MIIM clock.
P1[17]/
ENET_MDIO
86[1]
I/O
P1[17] — General purpose digital input/output pin.
I/O
ENET_MDIO — Ethernet MIIM data input and output.
P1[18]/
USB_UP_LED/
PWM1[1]/
CAP1[0]
32[1]
I/O
P1[18] — General purpose digital input/output pin.
O
USB_UP_LED — USB GoodLink LED indicator. It is LOW when device is
configured (non-control endpoints enabled). It is HIGH when the device is not
configured or during global suspend.
O
PWM1[1] — Pulse Width Modulator 1, channel 1 output.
I
CAP1[0] — Capture input for Timer 1, channel 0.
P1[19]/MC0A/
USB_PPWR
CAP1[1]
33[1]
I/O
P1[19] — General purpose digital input/output pin.
O
MC0A — Motor control PWM channel 0, output A.
O
USB_PPWR — Port Power enable signal for USB port.
I
CAP1[1] — Capture input for Timer 1, channel 1.
Table 3.
Pin description …continued
Symbol
Pin
Type
Description
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