Datasheet

LPC2420_60 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 6.2 — 16 October 2013 20 of 87
NXP Semiconductors
LPC2420/2460
Flashless 16-bit/32-bit microcontroller
P3[8]/D8 191
[1]
D8
[1]
I/O P3[8] — General purpose digital input/output pin.
I/O D8 — External memory data line 8.
P3[9]/D9 199
[1]
C5
[1]
I/O P3[9] — General purpose digital input/output pin.
I/O D9 — External memory data line 9.
P3[10]/D10 205
[1]
B2
[1]
I/O P3[10] — General purpose digital input/output pin.
I/O D10 — External memory data line 10.
P3[11]/D11 208
[1]
D5
[1]
I/O P3[11] — General purpose digital input/output pin.
I/O D11 — External memory data line 11.
P3[12]/D12 1
[1]
D4
[1]
I/O P3[12] — General purpose digital input/output pin.
I/O D12 — External memory data line 12.
P3[13]/D13 7
[1]
C1
[1]
I/O P3[13] — General purpose digital input/output pin.
I/O D13 — External memory data line 13.
P3[14]/D14 21
[1]
H2
[1]
I/O P3[14] — General purpose digital input/output pin.
I/O D14 — External memory data line 14. On POR, this pin serves as the
BOOT0 pin.
P3[15]/D15 28
[1]
M1
[1]
I/O P3[15] — General purpose digital input/output pin.
I/O D15 — External memory data line 15. On POR, this pin serves as the
BOOT1 pin.
BOOT[1:0] = 00 selects 8-bit external memory on CS1.
BOOT[1:0] = 01 is reserved. Do not use.
BOOT[1:0] = 10 selects 32-bit external memory on CS1
.
BOOT[1:0] = 11 selects 16-bit external memory on CS1.
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.
Table 4. Pin description
…continued
Symbol Pin Ball Type Description