NXP Semiconductors
LPC2212/2214
Single-chip 16/32-bit ARM microcontrollers
5.2 Pin description
Table 3.
Symbol
P0[0] to P0[31]
Pin description
Pin
Type Description
I/O
Port 0 is a 32-bit bidirectional 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.
Pins 26 and 31 of port 0 are not available.
P0[0]/TXD0/PWM1
P0[1]/RXD0/PWM3/
EINT0
42
49
O
O
I
O
I
P0[2]/SCL/CAP0[0]
50
I/O
I
P0[3]/SDA/MAT0[0]/
EINT1
58
I/O
O
I
P0[4]/SCK0/CAP0[1]
P0[5]/MISO0/MAT0[1]
59
61
I/O
I
I/O
O
P0[6]/MOSI0/CAP0[2]
68
I/O
I
P0[7]/SSEL0/PWM2/
EINT2
69
I
O
I
P0[8]/TXD1/PWM4
P0[9]/RXD1/PWM6/
EINT3
75
76
O
O
I
O
I
P0[10]/RTS1/CAP1[0]
P0[11]/CTS1/CAP1[1]
P0[12]/DSR1/MAT1[0]
P0[13]/DTR1/MAT1[1]
78
83
84
85
O
I
I
I
I
O
O
O
TXD0 —
Transmitter output for UART0.
PWM1 —
Pulse Width Modulator output 1.
RXD0 —
Receiver input for UART0.
PWM3 —
Pulse Width Modulator output 3.
EINT0 —
External interrupt 0 input
SCL —
I
2
C-bus clock input/output. Open-drain output (for I
2
C-bus
compliance).
CAP0[0] —
Capture input for Timer 0, channel 0.
SDA —
I
2
C-bus data input/output. Open-drain output (for I
2
C-bus
compliance).
MAT0[0] —
Match output for Timer 0, channel 0.
EINT1 —
External interrupt 1 input.
SCK0 —
Serial clock for SPI0. SPI clock output from master or input to slave.
CAP0[1] —
Capture input for Timer 0, channel 1.
MISO0 —
Master In Slave OUT for SPI0. Data input to SPI master or data
output from SPI slave.
MAT0[1] —
Match output for Timer 0, channel 1.
MOSI0 —
Master Out Slave In for SPI0. Data output from SPI master or data
input to SPI slave.
CAP0[2] —
Capture input for Timer 0, channel 2.
SSEL0 —
Slave Select for SPI0. Selects the SPI interface as a slave.
PWM2 —
Pulse Width Modulator output 2.
EINT2 —
External interrupt 2 input.
TXD1 —
Transmitter output for UART1.
PWM4 —
Pulse Width Modulator output 4.
RXD1 —
Receiver input for UART1.
PWM6 —
Pulse Width Modulator output 6.
EINT3 —
External interrupt 3 input.
RTS1 —
Request to Send output for UART1.
CAP1[0] —
Capture input for Timer 1, channel 0.
CTS1 —
Clear to Send input for UART1.
CAP1[1] —
Capture input for Timer 1, channel 1.
DSR1 —
Data Set Ready input for UART1.
MAT1[0] —
Match output for Timer 1, channel 0.
DTR1 —
Data Terminal Ready output for UART1.
MAT1[1] —
Match output for Timer 1, channel 1.
LPC2212_2214
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© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 14 June 2011
6 of 47
PHILIPS [ NXP SEMICONDUCTORS ]
