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NXP Semiconductors
6.2 Pin description
LPC1111/12/13/14
Table 3.
LPC1113/14 pin description table (LQFP48 package)
Symbol
PIO0_0 to PIO0_11
Pin
Type
I/O
Description
Port 0 — Port 0 is a 12-bit I/O port with individual direction and function
controls for each bit. The operation of port 0 pins depends on the function
selected through the IOCONFIG register block.
RESET/PIO0_0
3
I
RESET — External reset input: A LOW on this pin resets the device,
causing I/O ports and peripherals to take on their default states, and
processor execution to begin at address 0.
I/O
PIO0_0 — General purpose digital input/output pin.
PIO0_1/CLKOUT/
4 [1]
I/O
PIO0_1 — General purpose digital input/output pin. A LOW level on this pin
CT32B0_MAT2
O
O
during reset starts the ISP command handler.
CLKOUT — Clockout pin.
CT32B0_MAT2 — Match output 2 for 32-bit timer 0.
PIO0_2/SSEL0/
CT16B0_CAP0
PIO0_3
PIO0_4/SCL
10 [1]
14 [1]
15 [2]
I/O
O
I
I/O
I/O
I/O
PIO0_2 — General purpose digital input/output pin.
SSEL0 — Slave Select for SPI0.
CT16B0_CAP0 — Capture input 0 for 16-bit timer 0.
PIO0_3 — General purpose digital input/output pin.
PIO0_4 — General purpose digital input/output pin.
SCL — I 2 C-bus clock input/output. High-current sink only if I 2 C Fast-mode
Plus is selected in the I/O configuration register.
PIO0_5/SDA
16 [2]
I/O
I/O
PIO0_5 — General purpose digital input/output pin.
SDA — I 2 C-bus data input/output. High-current sink only if I 2 C Fast-mode
Plus is selected in the I/O configuration register.
PIO0_6/SCK0
PIO0_7/CTS
22 [1]
23 [1]
I/O
I/O
I/O
PIO0_6 — General purpose digital input/output pin.
SCK0 — Serial clock for SPI0.
PIO0_7 — General purpose digital input/output pin (high-current output
driver).
I
CTS — Clear To Send input for UART.
PIO0_8/MISO0/
CT16B0_MAT0
PIO0_9/MOSI0/
CT16B0_MAT1
SWCLK/PIO0_10/
SCK0/CT16B0_MAT2
TDI/PIO0_11/
AD0/CT32B0_MAT3
27 [1]
28 [1]
29 [1]
32 [3]
I/O
I/O
O
I/O
I/O
O
I
I/O
I/O
O
I
I/O
PIO0_8 — General purpose digital input/output pin.
MISO0 — Master In Slave Out for SPI0.
CT16B0_MAT0 — Match output 0 for 16-bit timer 0.
PIO0_9 — General purpose digital input/output pin.
MOSI0 — Master Out Slave In for SPI0.
CT16B0_MAT1 — Match output 1 for 16-bit timer 0.
SWCLK — Serial wire clock and test clock TCK for JTAG interface.
PIO0_10 — General purpose digital input/output pin.
SCK0 — Serial clock for SPI0.
CT16B0_MAT2 — Match output 2 for 16-bit timer 0.
TDI — Test Data In for JTAG interface.
PIO0_11 — General purpose digital input/output pin.
LPC1111_12_13_14_0
I
O
AD0 — A/D converter, input 0.
CT32B0_MAT3 — Match output 3 for 32-bit timer 0.
? NXP B.V. 2009. All rights reserved.
Objective data sheet
Rev. 00.11 — 13 November 2009
8 of 53
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