Datasheet

LPC2377_78 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 6.1 — 16 October 2013 9 of 69
NXP Semiconductors
LPC2377/78
Single-chip 16-bit/32-bit microcontrollers
P0[28]/SCL0 34
[4]
I/O P0[28] — General purpose digital input/output pin. Output is open-drain.
I/O SCL0 — I
2
C0 clock input/output. Open-drain output (for I
2
C-bus compliance).
P0[29]/USB_D+1 42
[5]
I/O P0[29] — General purpose digital input/output pin.
I/O USB_D+1 — USB1 port bidirectional D+ line. (LPC2378 only)
P0[30]/USB_D143
[5]
I/O P0[30] — General purpose digital input/output pin.
I/O USB_D1 — USB1 port bidirectional D line. (LPC2378 only)
P0[31]/USB_D+2 36
[5]
I/O P0[31] — General purpose digital input/output pin.
I/O USB_D+2 — USB2 port bidirectional D+ line. (LPC2378 only)
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
136
[1]
I/O P1[0] — General purpose digital input/output pin.
O ENET_TXD0 — Ethernet transmit data 0.
P1[1]/
ENET_TXD1
135
[1]
I/O P1[1] — General purpose digital input/output pin.
O ENET_TXD1 — Ethernet transmit data 1.
P1[4]/
ENET_TX_EN
133
[1]
I/O P1[4] — General purpose digital input/output pin.
O ENET_TX_EN — Ethernet transmit data enable.
P1[8]/
ENET_CRS
132
[1]
I/O P1[8] — General purpose digital input/output pin.
I ENET_CRS — Ethernet carrier sense.
P1[9]/
ENET_RXD0
131
[1]
I/O P1[9] — General purpose digital input/output pin.
I ENET_RXD0 — Ethernet receive data.
P1[10]/
ENET_RXD1
129
[1]
I/O P1[10] — General purpose digital input/output pin.
I ENET_RXD1 — Ethernet receive data.
P1[14]/
ENET_RX_ER
128
[1]
I/O P1[14] — General purpose digital input/output pin.
I ENET_RX_ER — Ethernet receive error.
P1[15]/
ENET_REF_CLK
126
[1]
I/O P1[15] — General purpose digital input/output pin.
I ENET_REF_CLK/ENET_RX_CLK — Ethernet receiver clock.
P1[16]/
ENET_MDC
125
[1]
I/O P1[16] — General purpose digital input/output pin.
O ENET_MDC — Ethernet MIIM clock.
P1[17]/
ENET_MDIO
123
[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_LED1/
PWM1[1]/
CAP1[0]
46
[1]
I/O P1[18] — General purpose digital input/output pin.
O USB_UP_LED1 — USB1 port Good Link LED indicator. It is LOW when device is
configured (non-control endpoints enabled), or when host is enabled and has
detected a device on the bus. It is HIGH when the device is not configured, or when
host is enabled and has not detected a device on the bus, or during global suspend.
It transitions between LOW and HIGH (flashes) when host is enabled and detects
activity on the bus. (LPC2378 only)
O PWM1[1] — Pulse Width Modulator 1, channel 1 output.
I CAP1[0] — Capture input for Timer 1, channel 0.
P1[19]/CAP1[1] 47
[1]
I/O P1[19] — General purpose digital input/output pin.
I CAP1[1] — Capture input for Timer 1, channel 1.
Table 3. Pin description
…continued
Symbol Pin Type Description