LPC2157 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
LPC2157
Philips Electronics
LPC2157 Datasheet PDF : 45 Pages
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NXP Semiconductors
LPC2157/2158
Single-chip 16-bit/32-bit microcontrollers
Table 3. Pin description LPC2158
Symbol
Pin
Type
P0[0] to P0[31]
I/O
P0[0]/TXD0/
PWM1
7[1]
I/O
O
O
P0[1]/RXD0/
9[2]
I/O
PWM3/EINT0
I
O
I
P0[2]/SCL0/
CAP0[0]
10[3]
I/O
I/O
I
P0[3]/SDA0/
14[3]
I/O
MAT0[0]/EINT1
I/O
O
I
P0[4]/SCK0/
15[4]
I/O
CAP0[1]/AD0[6]
I/O
I
I
P0[5]/MISO0/
17[4]
I/O
MAT0[1]/AD0[7]
I/O
O
I
P0[6]/MOSI0/
18[4]
I/O
CAP0[2]/AD1[0]
I/O
P0[7]/SSEL0/
PWM2/EINT2
P0[8]/TXD1/
PWM4/AD1[1]
I
I
19[2]
I/O
I
O
I
20[4]
I/O
O
O
I
Description
Port 0: Port 0 is a 32-bit I/O port with individual direction controls for each bit.
Total of 29 pins of the Port 0 can be used as a general purpose bidirectional
digital I/Os while P0[31] is output only pin. The operation of port 0 pins
depends upon the pin function selected via the pin connect block.
Pins P0[24], P0[26] and P0[27] are not available.
P0[0] — General purpose input/output digital pin (GPIO).
TXD0 — Transmitter output for UART0.
PWM1 — Pulse Width Modulator output 1.
P0[1] — General purpose input/output digital pin (GPIO).
RXD0 — Receiver input for UART0.
PWM3 — Pulse Width Modulator output 3.
EINT0 — External interrupt 0 input.
P0[2] — General purpose input/output digital pin (GPIO).
SCL0 — I2C0 clock input/output. Open-drain output (for I2C-bus compliance).
CAP0[0] — Capture input for Timer 0, channel 0.
P0[3] — General purpose input/output digital pin (GPIO).
SDA0 — I2C0 data input/output. Open-drain output (for I2C-bus compliance).
MAT0[0] — Match output for Timer 0, channel 0.
EINT1 — External interrupt 1 input.
P0[4] — General purpose input/output digital pin (GPIO).
SCK0 — Serial clock for SPI0. SPI clock output from master or input to slave.
CAP0[1] — Capture input for Timer 0, channel 1.
AD0[6] — ADC 0, input 6.
P0[5] — General purpose input/output digital pin (GPIO).
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.
AD0[7] — ADC 0, input 7.
P0[6] — General purpose input/output digital pin (GPIO).
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.
AD1[0] — ADC 1, input 0.
P0[7] — General purpose input/output digital pin (GPIO).
SSEL0 — Slave Select for SPI0. Selects the SPI interface as a slave.
PWM2 — Pulse Width Modulator output 2.
EINT2 — External interrupt 2 input.
P0[8] — General purpose input/output digital pin (GPIO).
TXD1 — Transmitter output for UART1.
PWM4 — Pulse Width Modulator output 4.
AD1[1] — ADC 1, input 1.
LPC2157_2158_1
Product data sheet
Rev. 01 — 15 October 2008
© NXP B.V. 2008. All rights reserved.
10 of 45
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