Microcontrollers User manual

UM10237_2 © NXP B.V. 2008. All rights reserved.
User manual Rev. 02 — 19 December 2008 170 of 792
NXP Semiconductors
UM10237
Chapter 8: LPC24XX Pin configuration
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.
P3[26]/D26/
MAT0[1]/
PWM1[3]
55
[1]
T3
[1]
I/O P3[26] — General purpose digital input/output pin.
I/O D26 — External memory data line 26.
O MAT0[1] — Match output for Timer 0, channel 1.
O PWM1[3] — Pulse Width Modulator 1, output 3.
P3[27]/D27/
CAP1[0]/
PWM1[4]
203
[1]
A1
[1]
I/O P3[27] — General purpose digital input/output pin.
I/O D27 — External memory data line 27.
I CAP1[0] — Capture input for Timer 1, channel 0.
O PWM1[4] — Pulse Width Modulator 1, output 4.
P3[28]/D28/
CAP1[1]/
PWM1[5]
5
[1]
D2
[1]
I/O P3[28] — General purpose digital input/output pin.
I/O D28 — External memory data line 28.
I CAP1[1] — Capture input for Timer 1, channel 1.
O PWM1[5] — Pulse Width Modulator 1, output 5.
P3[29]/D29/
MAT1[0]/
PWM1[6]
11
[1]
F3
[1]
I/O P3[29] — General purpose digital input/output pin.
I/O D29 — External memory data line 29.
O MAT1[0] — Match output for Timer 1, channel 0.
O PWM1[6] — Pulse Width Modulator 1, output 6.
P3[30]/D30/
MAT1[1]/
RTS1
19
[1]
H3
[1]
I/O P3[30] — General purpose digital input/output pin.
I/O D30 — External memory data line 30.
O MAT1[1] — Match output for Timer 1, channel 1.
O RTS1 — Request to Send output for UART1.
P3[31]/D31/
MAT1[2]
25
[1]
J3
[1]
I/O P3[31] — General purpose digital input/output pin.
I/O D31 — External memory data line 31.
O MAT1[2] — Match output for Timer 1, channel 2.
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.
P4[0]/A0 75
[1]
U9
[1]
I/O P4[0] — ]General purpose digital input/output pin.
I/O A0 — External memory address line 0.
P4[1]/A1 79
[1]
U10
[1]
I/O P4[1] — General purpose digital input/output pin.
I/O A1 — External memory address line 1.
P4[2]/A2 83
[1]
T11
[1]
I/O P4[2] — General purpose digital input/output pin.
I/O A2 — External memory address line 2.
Table 124. LPC2470/78 pin description …continued
Symbol Pin Ball Type Description