LPC2114_2124 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 7 — 10 June 2011 7 of 42
NXP Semiconductors
LPC2114/2124
Single-chip 16/32-bit microcontrollers
P0[15]/RI1/EINT2 45 I RI1 — Ring Indicator input for UART1.
I EINT2 — External interrupt 2 input.
P0[16]/EINT0/
MAT0[2]/CAP0[2]
46 I EINT0 — External interrupt 0 input.
O MAT0[2] — Match output for Timer 0, channel 2.
I CAP0[2] — Capture input for Timer 0, channel 2.
P0[17]/CAP1[2]/
SCK1/MAT1[2]
47 I CAP1[2] — Capture input for Timer 1, channel 2.
I/O SCK1 — Serial Clock for SPI1/SSP
[1]
. SPI clock output from master or input to
slave.
O MAT1[2] — Match output for Timer 1, channel 2.
P0[18]/CAP1[3]/
MISO1/MAT1[3]
53 I CAP1[3] — Capture input for Timer 1, channel 3.
I/O MISO1 — Master In Slave Out for SPI1/SSP
[1]
. Data input to SPI master or data
output from SPI slave.
O MAT1[3] — Match output for Timer 1, channel 3.
P0[19]/MAT1[2]/
MOSI1/CAP1[2]
54 O MAT1[2] — Match output for Timer 1, channel 2.
I/O MOSI1 — Master Out Slave In for SPI1/SSP
[1]
. Data output from SPI master or data
input to SPI slave.
I CAP1[2] — Capture input for Timer 1, channel 2.
P0[20]/MAT1[3]/
SSEL1/EINT3
55 O MAT1[3] — Match output for Timer 1, channel 3.
I SSEL1 — Slave Select for SPI1/SSP
[1]
. Selects the SPI interface as a slave.
I EINT3 — External interrupt 3 input.
P0[21]/PWM5/
CAP1[3]
1OPWM5 — Pulse Width Modulator output 5.
I CAP1[3] — Capture input for Timer 1, channel 3.
P0[22]/CAP0[0]/
MAT0[0]
2ICAP0[0] — Capture input for Timer 0, channel 0.
O MAT0[0] — Match output for Timer 0, channel 0.
P0[23] 3 I/O general purpose bidirectional digital port only
P0[24] 5 I/O general purpose bidirectional digital port only
P0[25] 9 I/O general purpose bidirectional digital port only
P0[27]/AIN0/
CAP0[1]/MAT0[1]
11 I AIN0 — ADC, input 0. This analog input is always connected to its pin.
I CAP0[1] — Capture input for Timer 0, channel 1.
O MAT0[1] — Match output for Timer 0, channel 1.
P0[28]/AIN1/
CAP0[2]/MAT0[2]
13 I AIN1 — ADC, input 1. This analog input is always connected to its pin.
I CAP0[2] — Capture input for Timer 0, channel 2.
O MAT0[2] — Match output for Timer 0, channel 2.
P0[29]/AIN2/
CAP0[3]/MAT0[3]
14 I AIN2 — ADC, input 2. This analog input is always connected to its pin.
I CAP0[3] — Capture input for Timer 0, Channel 3.
O MAT0[3] — Match output for Timer 0, channel 3.
P0[30]/AIN3/
EINT3/CAP0[0]
15 I AIN3 — ADC, input 3. This analog input is always connected to its pin.
I EINT3 — External interrupt 3 input.
I CAP0[0] — Capture input for Timer 0, channel 0.
P1[0] to P1[31] I/O Port 1 is a 32-bit bidirectional 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. Pins 0 through 15 of port 1 are not available.
Table 3. Pin description
…continued
Symbol Pin Type Description