LPC2132FHN64 datasheet(9/45 Pages) PHILIPS

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LPC2131_32_34_36_38

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Product data sheet

Rev. 5 — 2 February 2011

9 of 45

NXP Semiconductors

LPC2131/32/34/36/38

Single-chip 16/32-bit microcontrollers

5.2 Pin description

Table 3.

Pin description

Symbol

Type

Description

P0.0 to P0.31

I/O

Port 0: Port 0 is a 32-bit I/O port with individual direction controls for each bit. Total of

31 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.

Pin P0.24 is not available.

P0.0/TXD0/

PWM1

19[1]

TXD0 — Transmitter output for UART0.

PWM1 — Pulse Width Modulator output 1.

P0.1/RXD0/

PWM3/EINT0

21[2]

RXD0 — Receiver input for UART0.

PWM3 — Pulse Width Modulator output 3.

EINT0 — External interrupt 0 input.

P0.2/SCL0/

CAP0.0

22[3]

I/O

SCL0 — I2C0 clock input/output. Open drain output (for I2C-bus compliance).

CAP0.0 — Capture input for Timer 0, channel 0.

P0.3/SDA0/

MAT0.0/EINT1

26[3]

I/O

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/SCK0/

CAP0.1/AD0.6

27[4]

I/O

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. This analog input is always connected to its pin.

P0.5/MISO0/

MAT0.1/AD0.7

29[4]

I/O

MISO0 — Master In Slave VDD = 3.6 V 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. This analog input is always connected to its pin.

P0.6/MOSI0/

CAP0.2/AD1.0

30[4]

I/O

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. This analog input is always connected to its pin. Available in

LPC2134/36/38 only.

P0.7/SSEL0/

PWM2/EINT2

31[2]

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/TXD1/

PWM4/AD1.1

33[4]

TXD1 — Transmitter output for UART1.

PWM4 — Pulse Width Modulator output 4.

AD1.1 — ADC 1, input 1. This analog input is always connected to its pin. Available in

LPC2134/36/38 only.

P0.9/RXD1/

PWM6/EINT3

34[2]

RXD1 — Receiver input for UART1.

PWM6 — Pulse Width Modulator output 6.

EINT3 — External interrupt 3 input.

P0.10/RTS1/

CAP1.0/AD1.2

35[4]

RTS1 — Request to Send output for UART1. Available in LPC2134/36/38.

CAP1.0 — Capture input for Timer 1, channel 0.

AD1.2 — ADC 1, input 2. This analog input is always connected to its pin. Available in

LPC2134/36/38 only.

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