Datasheet

LPC2478 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3.1 — 16 October 2013 22 of 93
NXP Semiconductors
LPC2478
Single-chip 16-bit/32-bit microcontroller
P3[16]/D16/
PWM0[1]/TXD1
137
[1]
F17
[1]
I/O P3[16] — General purpose digital input/output pin.
I/O D16 — External memory data line 16.
O PWM0[1] — Pulse Width Modulator 0, output 1.
O TXD1 — Transmitter output for UART1.
P3[17]/D17/
PWM0[2]/RXD1
143
[1]
F15
[1]
I/O P3[17] — General purpose digital input/output pin.
I/O D17 — External memory data line 17.
O PWM0[2] — Pulse Width Modulator 0, output 2.
I RXD1 — Receiver input for UART1.
P3[18]/D18/
PWM0[3]/CTS1
151
[1]
C15
[1]
I/O P3[18] — General purpose digital input/output pin.
I/O D18 — External memory data line 18.
O PWM0[3] — Pulse Width Modulator 0, output 3.
I CTS1 — Clear to Send input for UART1.
P3[19]/D19/
PWM0[4]/DCD1
161
[1]
B14
[1]
I/O P3[19] — General purpose digital input/output pin.
I/O D19 — External memory data line 19.
O PWM0[4] — Pulse Width Modulator 0, output 4.
I DCD1 — Data Carrier Detect input for UART1.
P3[20]/D20/
PWM0[5]/DSR1
167
[1]
A13
[1]
I/O P3[20] — General purpose digital input/output pin.
I/O D20 — External memory data line 20.
O PWM0[5] — Pulse Width Modulator 0, output 5.
I DSR1 — Data Set Ready input for UART1.
P3[21]/D21/
PWM0[6]/DTR1
175
[1]
C10
[1]
I/O P3[21] — General purpose digital input/output pin.
I/O D21 — External memory data line 21.
O PWM0[6] — Pulse Width Modulator 0, output 6.
O DTR1 — Data Terminal Ready output for UART1.
P3[22]/D22/
PCAP0[0]/RI1
195
[1]
C6
[1]
I/O P3[22] — General purpose digital input/output pin.
I/O D22 — External memory data line 22.
I PCAP0[0] — Capture input for PWM0, channel 0.
I RI1 — Ring Indicator input for UART1.
P3[23]/D23/
CAP0[0]/
PCAP1[0]
65
[1]
T6
[1]
I/O P3[23] — General purpose digital input/output pin.
I/O D23 — External memory data line 23.
I CAP0[0] — Capture input for Timer 0, channel 0.
I PCAP1[0] — Capture input for PWM1, channel 0.
P3[24]/D24/
CAP0[1]/
PWM1[1]
58
[1]
R5
[1]
I/O P3[24] — General purpose digital input/output pin.
I/O D24 — External memory data line 24.
I CAP0[1] — Capture input for Timer 0, channel 1.
O PWM1[1] — Pulse Width Modulator 1, output 1.
P3[25]/D25/
MAT0[0]/
PWM1[2]
56
[1]
U2
[1]
I/O P3[25] — General purpose digital input/output pin.
I/O D25 — External memory data line 25.
O MAT0[0] — Match output for Timer 0, channel 0.
O PWM1[2] — Pulse Width Modulator 1, output 2.
Table 4. Pin description
…continued
Symbol Pin Ball Type Description