NXP Semiconductors LPC24XX UM10237 - Manual (Page 162)

UM10237_4 © NXP B.V. 2009. All rights reserved.
User manual Rev. 04 — 26 August 2009 162 of 792
NXP Semiconductors
UM10237
Chapter 8: LPC24XX Pin configuration
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_D
−1
62 [5] R6 [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 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.
P1[0]/
ENET_TXD0 196 [1] A3 [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 194 [1] B5 [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] 185 [1] D9 [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] 177 [1] A10 [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 192 [1] A5 [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] 156 [1] A17 [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] 171 [1] B11 [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.
P1[7]/
ENET_COL/
MCIDAT1/
PWM0[5] 153 [1] D14 [1] I/O P1[7] — General purpose digital input/output pin.
I ENET_COL — Ethernet Collision detect (MII interface).
I/O MCIDAT1 — Data line 1 for SD/MMC interface.
O PWM0[5] — Pulse Width Modulator 0, output 5.
P1[8]/
ENET_CRS_DV/
ENET_CRS 190 [1] C7 [1] I/O P1[8] — General purpose digital input/output pin.
I ENET_CRS_DV/ENET_CRS — Ethernet Carrier Sense/Data Valid (RMII
interface)/ Ethernet Carrier Sense (MII interface).
P1[9]/
ENET_RXD0 188 [1] A6 [1] I/O P1[9] — General purpose digital input/output pin.
I ENET_RXD0 — Ethernet receive data 0 (RMII/MII interface).
P1[10]/
ENET_RXD1 186 [1] C8 [1] I/O P1[10] — General purpose digital input/output pin.
I ENET_RXD1 — Ethernet receive data 1 (RMII/MII interface).
Table 124. LPC2470/78 pin description …continued
Symbol Pin Ball Type Description