Nxp semiconductors – NXP Semiconductors LPC24XX UM10237 User Manual

Page 131

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UM10237_4

© NXP B.V. 2009. All rights reserved.

User manual

Rev. 04 — 26 August 2009

131 of 792

NXP Semiconductors

UM10237

Chapter 8: LPC24XX Pin configuration

P2[3]/PWM1[4]/
DCD1/
PIPESTAT2

E13

[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

E14

[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

F12

[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.

P2[6]/PCAP1[0]/RI1/
TRACEPKT1

F13

[1]

I/O

P2[6] — General purpose digital input/output pin.

I

PCAP1[0] — Capture input for PWM1, channel 0.

I

RI1 — Ring Indicator input for UART1.

O

TRACEPKT1 — Trace Packet, bit 1.

P2[7]/RD2/
RTS1/
TRACEPKT2

G11

[1]

I/O

P2[7] — General purpose digital input/output pin.

I

RD2 — CAN2 receiver input.

O

RTS1 — Request to Send output for UART1.

O

TRACEPKT2 — Trace Packet, bit 2.

P2[8]/TD2/
TXD2/
TRACEPKT3

G14

[1]

I/O

P2[8] — General purpose digital input/output pin.

O

TD2 — CAN2 transmitter output.

O

TXD2 — Transmitter output for UART2.

O

TRACEPKT3 — Trace Packet, bit 3.

P2[9]/
USB_CONNECT1/
RXD2/
EXTIN0

H11

[1]

I/O

P2[9] — General purpose digital input/output pin.

O

USB_CONNECT1 — USB1 SoftConnect control. Signal used to switch an
external 1.5 k

Ω resistor under the software control. Used with the SoftConnect

USB feature.

I

RXD2 — Receiver input for UART2.

I

EXTIN0 — External Trigger Input.

P2[10]/EINT0

M13

[6]

I/O

P2[10] — General purpose digital input/output pin.

Note: LOW on this pin while RESET is LOW forces on-chip bootloader to take
over control of the part after a reset.

I

EINT0 — External interrupt 0 input.

P2[11]/EINT1/
MCIDAT1/
I2STX_CLK

M12

[6]

I/O

P2[11] — General purpose digital input/output pin.

I

EINT1 — External interrupt 1 input.

I/O

MCIDAT1 — Data line 1 for SD/MMC interface.

I/O

I2STX_CLK — Transmit Clock. It is driven by the master and received by the
slave. Corresponds to the signal SCK in the I

2

S-bus specification.

Table 120. Pin description

…continued

Symbol

Ball

Type

Description

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