Datasheet

LPC2458 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 4.1 — 15 October 2013 17 of 81
NXP Semiconductors
LPC2458
Single-chip 16-bit/32-bit micro
P3[12]/D12 A1
[1]
I/O P3[12] — General purpose digital input/output pin.
I/O D12 — External memory data line 12.
P3[13]/D13 C1
[1]
I/O P3[13] — General purpose digital input/output pin.
I/O D13 — External memory data line 13.
P3[14]/D14 F1
[1]
I/O P3[14] — General purpose digital input/output pin.
I/O D14 — External memory data line 14.
P3[15]/D15 G4
[1]
I/O P3[15] — General purpose digital input/output pin.
I/O D15 — External memory data line 15.
P3[23]/CAP0[0]/
PCAP1[0]
M4
[1]
I/O P3[23] — General purpose digital input/output pin.
I CAP0[0] — Capture input for Timer 0, channel 0.
I PCAP1[0] — Capture input for PWM1, channel 0.
P3[24]/CAP0[1]/
PWM1[1]
N3
[1]
I/O P3[24] — General purpose digital input/output pin.
I CAP0[1] — Capture input for Timer 0, channel 1.
O PWM1[1] — Pulse Width Modulator 1, output 1.
P3[25]/MAT0[0]/
PWM1[2]
M3
[1]
I/O P3[25] — General purpose digital input/output pin.
O MAT0[0] — Match output for Timer 0, channel 0.
O PWM1[2] — Pulse Width Modulator 1, output 2.
P3[26]/MAT0[1]/
PWM1[3]
K7
[1]
I/O P3[26] — General purpose digital input/output pin.
O MAT0[1] — Match output for Timer 0, channel 1.
O PWM1[3] — Pulse Width Modulator 1, output 3.
P4[0] to P4[31] I/O Port 4: Port 4 is a 32-bit I/O port with individual direction controls for each bit. The
operation of port 4 pins depends upon the pin function selected via the Pin
Connect block.
Pins P4[20:23] are not available.
P4[0]/A0 L6
[1]
I/O P4[0] — General purpose digital input/output pin.
I/O A0 — External memory address line 0.
P4[1]/A1 M7
[1]
I/O P4[1] — General purpose digital input/output pin.
I/O A1 — External memory address line 1.
P4[2]/A2 M8
[1]
I/O P4[2] — General purpose digital input/output pin.
I/O A2 — External memory address line 2.
P4[3]/A3 K9
[1]
I/O P4[3] — General purpose digital input/output pin.
I/O A3 — External memory address line 3.
P4[4]/A4 P13
[1]
I/O P4[4] — General purpose digital input/output pin.
I/O A4 — External memory address line 4.
P4[5]/A5 H10
[1]
I/O P4[5] — General purpose digital input/output pin.
I/O A5 — External memory address line 5.
P4[6]/A6 K10
[1]
I/O P4[6] — General purpose digital input/output pin.
I/O A6 — External memory address line 6.
P4[7]/A7 K12
[1]
I/O P4[7] — General purpose digital input/output pin.
I/O A7 — External memory address line 7.
Table 4. Pin description
…continued
Symbol Ball Type Description