參數資料
型號： LPC2144
廠商： NXP Semiconductors N.V.
英文描述： Single-chip 16-bit/32-bit microcontrollers; up to 512 kB flash with ISP/IAP, USB 2.0 full-speed device, 10-bit ADC and DAC
中文描述： 單芯片16-bit/32-bit微控制器，高達512的ISP /國際檢察官聯合會的USB 2.0全速設備，10位ADC和DAC kB閃存
文件頁數： 7/38頁
文件大小： 193K
代理商： LPC2144
9397 750 14985
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 01 — 3 October 2005
7 of 38
Philips Semiconductors
LPC2141/42/44/46/48
Single-chip 16-bit/32-bit microcontrollers
5.2 Pin description
Table 3:
Symbol
P0.0 to P0.31
Pin description
Pin
Type
I/O
Description
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.
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 —
I
2
C0 clock input/output. Open-drain output (for I
2
C-bus compliance).
CAP0.0 —
Capture input for Timer 0, channel 0.
P0.3 —
General purpose input/output digital pin (GPIO).
SDA0 —
I
2
C0 data input/output. Open-drain output (for I
2
C-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 0.
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. Available in LPC2144/46/48 only.
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. Available in LPC2144/46/48 only.
P0.0/TXD0/
PWM1
19
[1]
I/O
O
O
I/O
I
O
I
I/O
I/O
I
I/O
I/O
O
I
I/O
I/O
I
I
I/O
I/O
P0.1/RXD0/
PWM3/EINT0
21
[2]
P0.2/SCL0/
CAP0.0
22
[3]
P0.3/SDA0/
MAT0.0/EINT1
26
[3]
P0.4/SCK0/
CAP0.1/AD0.6
27
[4]
P0.5/MISO0/
MAT0.1/AD0.7
29
[4]
O
I
I/O
I/O
P0.6/MOSI0/
CAP0.2/AD1.0
30
[4]
I
I
I/O
I
O
I
I/O
O
O
I
P0.7/SSEL0/
PWM2/EINT2
31
[2]
P0.8/TXD1/
PWM4/AD1.1
33
[4]
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