UM10237_2 © NXP B.V. 2008. All rights reserved.
User manual Rev. 02 — 19 December 2008 145 o f 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 I2C serial data (OTG transceiver).
IPCAP1[1] — Capture input for PWM1, channel 1.
OMAT0[1] — Match output for Timer0, channel 0.
P1[30]/
USB_PWRD2/
VBUS/AD0[4]
42[2] P2[2] I/O P1[30] — General purpose digital input/output pin.
IUSB_PWRD2 — Power Status for USB port 2.
IVBUSMonitors the presence of USB bus power.
Note: This signal must be HIGH for USB reset to occur.
IAD0[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.
IUSB_OVRCR2Over-Current status for USB port 2.
I/O SCK1 — Serial Clock for SSP1.
IAD0[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.
OPWM1[1] — Pulse Width Modulator 1, channel 1 output.
OTXD1 — Transmitter output for UART1.
OTRACECLK — Trace Clock.
P2[1]/PWM1[2]/
RXD1/
PIPESTAT0
152[1] E14[1] I/O P2[1] — General purpose digital input/output pin.
OPWM1[2] — Pulse Width Modulator 1, channel 2 output.
IRXD1 — Receiver input for UART1.
OPIPESTAT0 — Pipeline Status, bit 0.
P2[2]/PWM1[3]/
CTS1/
PIPESTAT1
150[1] D15[1] I/O P2[2] — General purpose digital input/output pin.
OPWM1[3] — Pulse Width Modulator 1, channel 3 output.
ICTS1 — Clear to Send input for UART1.
OPIPESTAT1 — Pipeline Status, bit 1.
P2[3]/PWM1[4]/
DCD1/
PIPESTAT2
144[1] E16[1] I/O P2[3] — General purpose digital input/output pin.
OPWM1[4] — Pulse Width Modulator 1, channel 4 output.
IDCD1 — Data Carrier Detect input for UART1.
OPIPESTAT2 — Pipeline Status, bit 2.
P2[4]/PWM1[5]/
DSR1/
TRACESYNC
142[1] D17[1] I/O P2[4] — General purpose digital input/output pin.
OPWM1[5] — Pulse Width Modulator 1, channel 5 output.
IDSR1 — Data Set Ready input for UART1.
OTRACESYNC — Trace Synchronization.
P2[5]/PWM1[6]/
DTR1/
TRACEPKT0
140[1] F16[1] I/O P2[5] — General purpose digital input/output pin.
OPWM1[6] — Pulse Width Modulator 1, channel 6 output.
ODTR1 — Data Terminal Ready output for UART1.
OTRACEPKT0 — Trace Packet, bit 0.
Table 122. LP C242 0/60/68 pin description …continued
Symbol Pin Ball Type Description