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
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
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
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
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
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
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
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
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
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