Datasheet

LPC2458 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 4.1 — 15 October 2013 11 of 81
NXP Semiconductors
LPC2458
Single-chip 16-bit/32-bit micro
P0[26]/AD0[3]/
AOUT/RXD3
D1
[2][3]
I/O P0[26] — General purpose digital input/output pin.
I AD0[3] — A/D converter 0, input 3.
O AOUT — D/A converter output.
I RXD3 — Receiver input for UART3.
P0[27]/SDA0 L3
[4]
I/O P0[27] — General purpose digital input/output pin. Output is open-drain.
I/O SDA0 — I
2
C0 data input/output. Open-drain output (for I
2
C-bus compliance).
P0[28]/SCL0 M1
[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 K5
[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1N4
[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 N1
[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
B5
[1]
I/O P1[0] — General purpose digital input/output pin.
O ENET_TXD0 — Ethernet transmit data 0 (RMII/MII interface).
P1[1]/
ENET_TXD1
A5
[1]
I/O P1[1] — General purpose digital input/output pin.
O ENET_TXD1 — Ethernet transmit data 1 (RMII/MII interface).
P1[2]/
ENET_TXD2/
MCICLK/
PWM0[1]
B7
[1]
I/O P1[2] — General purpose digital input/output pin.
O ENET_TXD2 — Ethernet transmit data 2 (MII interface).
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]
A9
[1]
I/O P1[3] — General purpose digital input/output pin.
O ENET_TXD3 — Ethernet transmit data 3 (MII interface).
I/O MCICMD — Command line for SD/MMC interface.
O PWM0[2] — Pulse Width Modulator 0, output 2.
P1[4]/
ENET_TX_EN
C6
[1]
I/O P1[4] — General purpose digital input/output pin.
O ENET_TX_EN — Ethernet transmit data enable (RMII/MII interface).
P1[5]/
ENET_TX_ER/
MCIPWR/
PWM0[3]
B13
[1]
I/O P1[5] — General purpose digital input/output pin.
O ENET_TX_ER — Ethernet Transmit Error (MII interface).
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]
B10
[1]
I/O P1[6] — General purpose digital input/output pin.
I ENET_TX_CLK — Ethernet Transmit Clock (MII interface).
I/O MCIDAT0 — Data line 0 for SD/MMC interface.
O PWM0[4] — Pulse Width Modulator 0, output 4.
Table 4. Pin description
…continued
Symbol Ball Type Description