LPC2104FBD48 datasheet(7/41 Pages) NXP

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LPC2104_2105_2106_7

Product data sheet

Rev. 07 — 20 June 2008

7 of 41

NXP Semiconductors

LPC2104/2105/2106

Single-chip 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 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.

P0.0/TXD0/PWM1

13[1]

I/O

P0.0 — Port 0 bit 0.

TXD0 — Transmitter output for UART 0.

PWM1 — Pulse Width Modulator output 1.

P0.1/RXD0/PWM3

14[1]

I/O

P0.1 — Port 0 bit 1.

RXD0 — Receiver input for UART 0.

PWM3 — Pulse Width Modulator output 3.

P0.2/SCL/CAP0.0

18[2]

I/O

P0.2 — Port 0 bit 2. The output is open-drain.

I/O

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

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

P0.3/SDA/MAT0.0

21[2]

I/O

P0.3 — Port 0 bit 3. The output is open-drain.

I/O

SDA — I2C-bus data input/output. Open-drain output (for I2C-bus compliance).

MAT0.0 — Match output for Timer 0, channel 0. The output is open-drain.

P0.4/SCK/CAP0.1

22[1]

I/O

P0.4 — Port 0 bit 4.

I/O

SCK — Serial clock for SPI/SSP[3]. Clock output from master or input to slave.

CAP0.1 — Capture input for Timer 0, channel 1.

P0.5/MISO/MAT0.1

23[1]

I/O

P0.5 — Port 0 bit 5.

I/O

MISO — Master In Slave Out for SPI/SSP[3]. Data input to SPI/SSP master or

data output from SPI/SSP slave.

MAT0.1 — Match output for Timer 0, channel 1.

P0.6/MOSI/CAP0.2

24[1]

I/O

P0.6 — Port 0 bit 6.

I/O

MOSI — Master Out Slave In for SPI/SSP[3]. Data output from SPI/SSP master

or data input to SPI/SSP slave.

CAP0.2 — Capture input for Timer 0, channel 2.

P0.7/SSEL/PWM2

28[1]

I/O

P0.7 — Port 0 bit 7.

SSEL — Slave Select for SPI/SSP[3]. Selects the SPI/SSP interface as a slave.

PWM2 — Pulse Width Modulator output 2.

P0.8/TXD1/PWM4

29[1]

I/O

P0.8 — Port 0 bit 8.

TXD1 — Transmitter output for UART 1.

PWM4 — Pulse Width Modulator output 4.

P0.9/RXD1/PWM6

30[1]

I/O

P0.9 — Port 0 bit 9.

RXD1 — Receiver input for UART 1.

PWM6 — Pulse Width Modulator output 6.

P0.10/RTS1/CAP1.0

35[1]

I/O

P0.10 — Port 0 bit 10.

RTS1 — Request to Send output for UART 1.

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

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