UM10237_2 © NXP B.V. 2008. All rights reserved.
User manual Rev. 02 — 19 December 2008 141 o f 792
NXP Semiconductors UM10237
Chapter 8: LPC24XX Pin configuration
P0[18]/DCD1/
MOSI0/MOSI 124[1] K15[1] I/O P0[18] — General purpose digital input/output pin.
IDCD1 — Data Carrier Detect input for UART1.
I/O MOSI0 — Master Out Slave In for SSP0.
I/O MOSI — Master Out Slave In for SPI.
P0[19]/DSR1/
MCICLK/SDA1 122[1] L17[1] I/O P0[19] — General purpose digital input/output pin.
IDSR1 — Data Set Ready input for UART1.
OMCICLK — Clock output line for SD/MMC interface.
I/O SDA1 — I2C1 data input/output (this is not an open-drain pin).
P0[20]/DTR1/
MCICMD/SCL1 120[1] M17[1] I/O P0[20] — General purpose digital input/output pin.
ODTR1 — Data Terminal Ready output for UART1.
I/O MCICMD — Command line for SD/MMC interface.
I/O SCL1 — I2C1 clock input/output (this is not an open-drain pin).
P0[21]/RI1/
MCIPWR/RD1 118[1] M16[1] I/O P0[21] — General purpose digital input/output pin.
IRI1 — Ring Indicator input for UART1.
OMCIPWR — Power Supply Enable for external SD/MMC power supply.
IRD1 — CAN1 receiver input (LPC2460 only).
P0[22]/RTS1/
MCIDAT0/TD1 116[1] N17[1] I/O P0[22] — General purpose digital input/output pin.
ORTS1 — Request to Send output for UART1.
I/O MCIDAT0 — Data line 0 for SD/MMC interface.
OTD1 — CAN1 transmitter output (LPC2460 only).
P0[23]/AD0[0]/
I2SRX_CLK/
CAP3[0]
18[2] H1[2] I/O P0[23] — General purpose digital input/output pin.
IAD0[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 I2S-bus specification.
ICAP3[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.
IAD0[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 I2S-bus
specification.
ICAP3[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.
IAD0[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 I2S-bus specification.
OTXD3 — 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.
IAD0[3] — A/D converter 0, input 3.
OAOUT — D/A converter output.
IRXD3 — Receiver input for UART3.
Table 122. LP C242 0/60/68 pin description …continued
Symbol Pin Ball Type Description