Nxp Semiconductors LPC2194HBD64,151 ARM7 Microcontroller 16kB LQFP 64 LPC2194HBD64,151 数据表

LPC2194_4

© Koninklijke Philips Electronics N.V. 2006. All rights reserved.

 

P0.0 to P0.31

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

19

O

TXD0 — Transmitter output for UART0.

O

PWM1 — Pulse Width Modulator output 1.

P0.1/RXD0/
PWM3/EINT0

21

I

RXD0 — Receiver input for UART0.

O

PWM3 — Pulse Width Modulator output 3.

I

EINT0 — External interrupt 0 input

P0.2/SCL/CAP0.0

22

I/O

SCL — I

2

C-bus clock input/output. Open drain output (for I

2

C-bus compliance).

I

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

P0.3/SDA/
MAT0.0/EINT1

26

I/O

SDA — I

2

C-bus data input/output. Open drain output (for I

2

C-bus compliance).

O

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

I

EINT1 — External interrupt 1 input.

P0.4/SCK0/
CAP0.1

27

I/O

SCK0 — Serial clock for SPI0. SPI clock output from master or input to slave.

I

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

P0.5/MISO0/
MAT0.1

29

I/O

MISO0 — Master In Slave Out for SPI0. Data input to SPI master or data output 
from SPI slave.

O

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

P0.6/MOSI0/
CAP0.2

30

I/O

MOSI0 — Master Out Slave In for SPI0. Data output from SPI master or data input 
to SPI slave.

I

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

P0.7/SSEL0/
PWM2/EINT2

31

I

SSEL0 — Slave Select for SPI0. Selects the SPI interface as a slave.

O

PWM2 — Pulse Width Modulator output 2.

I

EINT2 — External interrupt 2 input.

P0.8/TXD1/
PWM4

33

O

TXD1 — Transmitter output for UART1.

O

PWM4 — Pulse Width Modulator output 4.

P0.9/RXD1/
PWM6/EINT3

34

I

RXD1 — Receiver input for UART1.

O

PWM6 — Pulse Width Modulator output 6.

I

EINT3 — External interrupt 3 input.

P0.10/RTS1/
CAP1.0

35

O

RTS1 — Request to Send output for UART1.

I

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

P0.11/CTS1/
CAP1.1

37

I

CTS1 — Clear to Send input for UART1.

I

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

P0.12/DSR1/
MAT1.0/RD4

38

I

DSR1 — Data Set Ready input for UART1.

O

MAT1.0 — Match output for Timer 1, channel 0.

O

RD4 — CAN4 receiver input.

P0.13/DTR1/
MAT1.1/TD4

39

O

DTR1 — Data Terminal Ready output for UART1.

O

MAT1.1 — Match output for Timer 1, channel 1.

O

TD4 — CAN4 transmitter output.