LPC178X View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
LPC178X
NXP Semiconductors.
'LPC178X' PDF : 117 Pages View PDF
NXP Semiconductors
LPC178x/7x
32-bit ARM Cortex-M3 microcontroller
Table 3. Pin description …continued
Not all functions are available on all parts. See Table 2 (Ethernet, USB, LCD, QEI, SD/MMC, DAC pins) and Table 7 (EMC
pins).
Symbol
Description
P3[25]
P3[26]
P3[27]
P3[28]
P3[29]
P3[30]
P3[31]
P4[0] to
P4[31]
P4[0]
56 U2
55 T3
203 A1
5 D2
11 F3
19 H3
25 J3
75 U9
M3 39
K7 38
--
--
--
--
--
L6 52
[3] I; I/O
PU I/O
O
O
[3] I; I/O
PU I/O
O
O
I
[3] I; I/O
PU I/O
O
I
[3] I; I/O
PU I/O
O
I
[3] I; I/O
PU I/O
O
O
[3] I; I/O
PU I/O
O
O
[3] I; I/O
PU I/O
-
O
I/O
[3] I; I/O
PU I/O
P3[25] — General purpose digital input/output pin.
EMC_D[25] — External memory data line 25.
PWM1[2] — Pulse Width Modulator 1, output 2.
T0_MAT0 — Match output for Timer 0, channel 0.
P3[26] — General purpose digital input/output pin.
EMC_D[26] — External memory data line 26.
PWM1[3] — Pulse Width Modulator 1, output 3.
T0_MAT1 — Match output for Timer 0, channel 1.
STCLK — System tick timer clock input. The maximum STCLK
frequency is 1/4 of the ARM processor clock frequency CCLK.
P3[27] — General purpose digital input/output pin.
EMC_D[27] — External memory data line 27.
PWM1[4] — Pulse Width Modulator 1, output 4.
T1_CAP0 — Capture input for Timer 1, channel 0.
P3[28] — General purpose digital input/output pin.
EMC_D[28] — External memory data line 28.
PWM1[5] — Pulse Width Modulator 1, output 5.
T1_CAP1 — Capture input for Timer 1, channel 1.
P3[29] — General purpose digital input/output pin.
EMC_D[29] — External memory data line 29.
PWM1[6] — Pulse Width Modulator 1, output 6.
T1_MAT0 — Match output for Timer 1, channel 0.
P3[30] — General purpose digital input/output pin.
EMC_D[30] — External memory data line 30.
U1_RTS — Request to Send output for UART1. Can also be
configured to be an RS-485/EIA-485 output enable signal for
UART1.
T1_MAT1 — Match output for Timer 1, channel 1.
P3[31] — General purpose digital input/output pin.
EMC_D[31] — External memory data line 31.
R — Function reserved.
T1_MAT2 — Match output for Timer 1, channel 2.
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] — General purpose digital input/output pin.
EMC_A[0] — External memory address line 0.
LPC178X_7X
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5.5 — 26 April 2016
© NXP Semiconductors N.V. 2016. All rights reserved.
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