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 21 of 122
NXP Semiconductors
LPC178x/7x
32-bit ARM Cortex-M3 microcontroller
P1[29] 92 U14 N10 64
[3]
I;
PU
I/O P1[29] — General purpose digital input/output pin.
I/O USB_SDA1 — USB port 1 I
2
C serial data (OTG transceiver).
I PWM1_CAP1 — Capture input for PWM1, channel 1.
O T0_MAT1 — Match output for Timer 0, channel 1.
O MC_2B — Motor control PWM channel 2, output B.
O U4_TXD — Transmitter output for USART4 (input/output in
smart card mode).
O LCD_VD[15] — LCD data.
O LCD_VD[23] — LCD data.
P1[30] 42 P2 K3 30
[5]
I;
PU
I/O P1[30] — General purpose digital input/output pin.
I USB_PWRD2 — Power Status for USB port 2.
I USB_VBUS — Monitors the presence of USB bus power.
This signal must be HIGH for USB reset to occur.
I ADC0_IN[4] — A/D converter 0, input 4. When configured as an
ADC input, the digital function of the pin must be disabled.
I/O I2C0_SDA — I
2
C0 data input/output (this pin does not use a
specialized I2C pad).
O U3_OE — RS-485/EIA-485 output enable signal for UART3.
P1[31] 40 P1 K2 28
[5]
I;
PU
I/O P1[31] — General purpose digital input/output pin.
I USB_OVRCR2
— Over-Current status for USB port 2.
I/O SSP1_SCK — Serial Clock for SSP1.
I ADC0_IN[5] — A/D converter 0, input 5. When configured as an
ADC input, the digital function of the pin must be disabled.
I/O I2C0_SCL — I
2
C0 clock input/output (this pin does not use a
specialized I2C pad).
P2[0] to
P2[31]
I/O Port 2: Port 2 is a 32 bit I/O port with individual direction
controls for each bit. The operation of port 1 pins depends upon
the pin function selected via the pin connect block.
P2[0] 154 B17 D12 107
[3]
I;
PU
I/O P2[0] — General purpose digital input/output pin.
O PWM1[1] — Pulse Width Modulator 1, channel 1 output.
O U1_TXD — Transmitter output for UART1.
- R — Function reserved.
- R — Function reserved.
- R — Function reserved.
- R — Function reserved.
O LCD_PWR — LCD panel power enable.
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
Pin LQFP208 Ball TFBGA208 Ball TFBGA180 Pin LQFP144 Reset state
[1]
Type
[2]
Description