Microcontrollers User manual

UM10237_2 © NXP B.V. 2008. All rights reserved.
User manual Rev. 02 — 19 December 2008 142 of 792
NXP Semiconductors
UM10237
Chapter 8: LPC24XX Pin configuration
P0[27]/SDA0 50
[4]
T1
[4]
I/O P0[27] — General purpose digital input/output pin.
I/O SDA0 — I
2
C0 data input/output. Open-drain output (for I
2
C-bus
compliance).
P0[28]/SCL0 48
[4]
R3
[4]
I/O P0[28] — General purpose digital input/output pin.
I/O SCL0 — I
2
C0 clock input/output. Open-drain output (for I
2
C-bus
compliance).
P0[29]/USB_D+1 61
[5]
U4
[5]
I/O P0[29] — General purpose digital input/output pin.
I/O USB_D+1 — USB port 1 bidirectional D+ line.
P0[30]/USB_D−162
[5]
R6
[5]
I/O P0[30] — General purpose digital input/output pin.
I/O USB_D−1 — USB port 1 bidirectional D− line.
P0[31]/USB_D+2 51
[5]
T2
[5]
I/O P0[31] — General purpose digital input/output pin.
I/O USB_D+2 — USB port 2 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.
P1[0]/
ENET_TXD0
196
[1]
A3
[1]
I/O P1[0] — General purpose digital input/output pin.
O ENET_TXD0 — Ethernet transmit data 0 (RMII/MII interface) (LPC2460
only).
P1[1]/
ENET_TXD1
194
[1]
B5
[1]
I/O P1[1] — General purpose digital input/output pin.
O ENET_TXD1 — Ethernet transmit data 1 (RMII/MII interface) (LPC2460
only).
P1[2]/
ENET_TXD2/
MCICLK/
PWM0[1]
185
[1]
D9
[1]
I/O P1[2] — General purpose digital input/output pin.
O ENET_TXD2 — Ethernet transmit data 2 (MII interface) (LPC2460 only).
O MCICLK — Clock output line for SD/MMC interface.
O PWM0[1] — Pulse Width Modulator 0, output 1.
P1[3]/
ENET_TXD3/
MCICMD/
PWM0[2]
177
[1]
A10
[1]
I/O P1[3] — General purpose digital input/output pin.
O ENET_TXD3 — Ethernet transmit data 3 (MII interface) (LPC2460 only).
I/O MCICMD — Command line for SD/MMC interface.
O PWM0[2] — Pulse Width Modulator 0, output 2.
P1[4]/
ENET_TX_EN
192
[1]
A5
[1]
I/O P1[4] — General purpose digital input/output pin.
O ENET_TX_EN — Ethernet transmit data enable (RMII/MII interface)
(LPC2460 only).
P1[5]/
ENET_TX_ER/
MCIPWR/
PWM0[3]
156
[1]
A17
[1]
I/O P1[5] — General purpose digital input/output pin.
O ENET_TX_ER — Ethernet Transmit Error (MII interface) (LPC2460 only).
O MCIPWR — Power Supply Enable for external SD/MMC power supply.
O PWM0[3] — Pulse Width Modulator 0, output 3.
P1[6]/
ENET_TX_CLK/
MCIDAT0/
PWM0[4]
171
[1]
B11
[1]
I/O P1[6] — General purpose digital input/output pin.
I ENET_TX_CLK — Ethernet Transmit Clock (MII interface) (LPC2460
only).
I/O MCIDAT0 — Data line 0 for SD/MMC interface.
O PWM0[4] — Pulse Width Modulator 0, output 4.
Table 122. LPC2420/60/68 pin description
…continued
Symbol Pin Ball Type Description