Microcontrollers User manual
UM10237_2 © NXP B.V. 2008. All rights reserved.
User manual Rev. 02 — 19 December 2008 145 of 792
NXP Semiconductors
UM10237
Chapter 8: LPC24XX Pin configuration
P1[29]/
USB_SDA1/
PCAP1[1]/
MAT0[1]
92
[1]
U14
[1]
I/O P1[29] — General purpose digital input/output pin.
I/O USB_SDA1 — USB port 1 I
2
C serial data (OTG transceiver).
I PCAP1[1] — Capture input for PWM1, channel 1.
O MAT0[1] — Match output for Timer 0, channel 0.
P1[30]/
USB_PWRD2/
V
BUS
/AD0[4]
42
[2]
P2
[2]
I/O P1[30] — General purpose digital input/output pin.
I USB_PWRD2 — Power Status for USB port 2.
I V
BUS
— Monitors the presence of USB bus power.
Note: This signal must be HIGH for USB reset to occur.
I AD0[4] — A/D converter 0, input 4.
P1[31]/
USB_OVRCR2
/
SCK1/AD0[5]
40
[2]
P1
[2]
I/O P1[31] — General purpose digital input/output pin.
I USB_OVRCR2
— Over-Current status for USB port 2.
I/O SCK1 — Serial Clock for SSP1.
I AD0[5] — A/D converter 0, input 5.
P2[0] to P2[31] I/O Port 2: Port 2 is a 32-bit I/O port with individual direction controls for each
bit. The operation of port 2 pins depends upon the pin function selected
via the Pin Connect block.
P2[0]/PWM1[1]/
TXD1/
TRACECLK
154
[1]
B17
[1]
I/O P2[0] — General purpose digital input/output pin.
O PWM1[1] — Pulse Width Modulator 1, channel 1 output.
O TXD1 — Transmitter output for UART1.
O TRACECLK — Trace Clock.
P2[1]/PWM1[2]/
RXD1/
PIPESTAT0
152
[1]
E14
[1]
I/O P2[1] — General purpose digital input/output pin.
O PWM1[2] — Pulse Width Modulator 1, channel 2 output.
I RXD1 — Receiver input for UART1.
O PIPESTAT0 — Pipeline Status, bit 0.
P2[2]/PWM1[3]/
CTS1/
PIPESTAT1
150
[1]
D15
[1]
I/O P2[2] — General purpose digital input/output pin.
O PWM1[3] — Pulse Width Modulator 1, channel 3 output.
I CTS1 — Clear to Send input for UART1.
O PIPESTAT1 — Pipeline Status, bit 1.
P2[3]/PWM1[4]/
DCD1/
PIPESTAT2
144
[1]
E16
[1]
I/O P2[3] — General purpose digital input/output pin.
O PWM1[4] — Pulse Width Modulator 1, channel 4 output.
I DCD1 — Data Carrier Detect input for UART1.
O PIPESTAT2 — Pipeline Status, bit 2.
P2[4]/PWM1[5]/
DSR1/
TRACESYNC
142
[1]
D17
[1]
I/O P2[4] — General purpose digital input/output pin.
O PWM1[5] — Pulse Width Modulator 1, channel 5 output.
I DSR1 — Data Set Ready input for UART1.
O TRACESYNC — Trace Synchronization.
P2[5]/PWM1[6]/
DTR1/
TRACEPKT0
140
[1]
F16
[1]
I/O P2[5] — General purpose digital input/output pin.
O PWM1[6] — Pulse Width Modulator 1, channel 6 output.
O DTR1 — Data Terminal Ready output for UART1.
O TRACEPKT0 — Trace Packet, bit 0.
Table 122. LPC2420/60/68 pin description
…continued
Symbol Pin Ball Type Description