Datasheet
LPC2468 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 6.2 — 11 January 2013 11 of 85
NXP Semiconductors
LPC2468
Single-chip 16-bit/32-bit micro
P0[21]/RI1/
MCIPWR/RD1
118
[1]
M16
[1]
I/O P0[21] — General purpose digital input/output pin.
I RI1 — Ring Indicator input for UART1.
O MCIPWR — Power Supply Enable for external SD/MMC power supply.
I RD1 — CAN1 receiver input.
P0[22]/RTS1/
MCIDAT0/TD1
116
[1]
N17
[1]
I/O P0[22] — General purpose digital input/output pin.
O RTS1 — Request to Send output for UART1.
I/O MCIDAT0 — Data line 0 for SD/MMC interface.
O TD1 — CAN1 transmitter output.
P0[23]/AD0[0]/
I2SRX_CLK/
CAP3[0]
18
[2]
H1
[2]
I/O P0[23] — General purpose digital input/output pin.
I AD0[0] — A/D converter 0, input 0.
I/O I2SRX_CLK — Receive Clock. It is driven by the master and received by
the slave. Corresponds to the signal SCK in the I
2
S-bus specification.
I CAP3[0] — Capture input for Timer 3, channel 0.
P0[24]/AD0[1]/
I2SRX_WS/
CAP3[1]
16
[2]
G2
[2]
I/O P0[24] — General purpose digital input/output pin.
I AD0[1] — A/D converter 0, input 1.
I/O I2SRX_WS — Receive Word Select. It is driven by the master and
received by the slave. Corresponds to the signal WS in the I
2
S-bus
specification.
I CAP3[1] — Capture input for Timer 3, channel 1.
P0[25]/AD0[2]/
I2SRX_SDA/
TXD3
14
[2]
F1
[2]
I/O P0[25] — General purpose digital input/output pin.
I AD0[2] — A/D converter 0, input 2.
I/O I2SRX_SDA — Receive data. It is driven by the transmitter and read by
the receiver. Corresponds to the signal SD in the I
2
S-bus specification.
O TXD3 — Transmitter output for UART3.
P0[26]/AD0[3]/
AOUT/RXD3
12
[2][3]
E1
[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 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_D162
[5]
R6
[5]
I/O P0[30] — General purpose digital input/output pin.
I/O USB_D1 — 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.
Table 4. Pin description
…continued
Symbol Pin Ball Type Description