Datasheet
LPC178X_7X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 5 — 9 September 2014 10 of 122
NXP Semiconductors
LPC178x/7x
32-bit ARM Cortex-M3 microcontroller
Table 3. Pin description
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
Pin LQFP208
Ball TFBGA208
Ball TFBGA180
Pin LQFP144
Reset state
[1]
Type
[2]
Description
P0[0] to
P0[31]
I/O Port 0: Port 0 is a 32-bit I/O port with individual direction
controls for each bit. The operation of port 0 pins depends upon
the pin function selected via the pin connect block.
P0[0] 94 U15 M10 66
[3]
I;
PU
I/O P0[0] — General purpose digital input/output pin.
I CAN_RD1 — CAN1 receiver input.
O U3_TXD — Transmitter output for UART3.
I/O I2C1_SDA — I
2
C1 data input/output (this pin does not use a
specialized I2C pad).
O U0_TXD — Transmitter output for UART0.
P0[1] 96 T14 N11 67
[3]
I;
PU
I/O P0[1] — General purpose digital input/output pin.
O CAN_TD1 — CAN1 transmitter output.
I U3_RXD — Receiver input for UART3.
I/O I2C1_SCL — I
2
C1 clock input/output (this pin does not use a
specialized I2C pad).
I U0_RXD — Receiver input for UART0.
P0[2] 202 C4 D5 141
[3]
I;
PU
I/O P0[2] — General purpose digital input/output pin.
O U0_TXD — Transmitter output for UART0.
O U3_TXD — Transmitter output for UART3.
P0[3] 204 D6 A3 142
[3]
I;
PU
I/O P0[3] — General purpose digital input/output pin.
I U0_RXD — Receiver input for UART0.
I U3_RXD — Receiver input for UART3.
P0[4] 168 B12 A11 116
[3]
I;
PU
I/O P0[4] — General purpose digital input/output pin.
I/O I2S_RX_SCK — I
2
S Receive clock. It is driven by the master
and received by the slave. Corresponds to the signal SCK in the
I
2
S-bus specification.
I CAN_RD2 — CAN2 receiver input.
I T2_CAP0 — Capture input for Timer 2, channel 0.
- R — Function reserved.
- R — Function reserved.
- R — Function reserved.
O LCD_VD[0] — LCD data.