參數(shù)資料
型號(hào)： LPC2290
廠商： NXP Semiconductors N.V.
英文描述： 16/32-bit ARM microcontrollers with CAN, 10-bit ADC and external memory interface
中文描述： 與CAN，16/32位ARM微控制器的10位模數(shù)轉(zhuǎn)換器和外部存儲(chǔ)器接口
文件頁(yè)數(shù)： 21/41頁(yè)
文件大?。?/td> 185K
代理商： LPC2290
Philips Semiconductors
LPC2290
16/32-bit ARM microcontrollers with external memory interface
Preliminary data
Rev. 01 — 09 February 2004
21 of 41
9397 750 12874
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
6.14 I
2
C serial I/O controller
I
2
C is a bi-directional bus for inter-IC control using only two wires: a serial clock line
(SCL), and a serial data line (SDA). Each device is recognized by a unique address
and can operate as either a receiver-only device (e.g. an LCD driver or a transmitter
with the capability to both receive and send information (such as memory).
Transmitters and/or receivers can operate in either master or slave mode, depending
on whether the chip has to initiate a data transfer or is only addressed. I
2
C is a
multi-master bus, it can be controlled by more than one bus master connected to it.
I
2
C implemented in LPC2290 supports bit rate up to 400 kbit/s (Fast I
2
C).
6.14.1
Features
Standard I
2
C compliant bus interface.
Easy to configure as Master, Slave, or Master/Slave.
Programmable clocks allow versatile rate control.
Bidirectional data transfer between masters and slaves.
Multi-master bus (no central master).
Arbitration between simultaneously transmitting masters without corruption of
serial data on the bus.
Serial clock synchronization allows devices with different bit rates to communicate
via one serial bus.
Serial clock synchronization can be used as a handshake mechanism to suspend
and resume serial transfer.
The I
2
C bus may be used for test and diagnostic purposes.
6.15 SPI serial I/O controller
The LPC2290 contains two SPIs. The SPI is a full duplex serial interface, designed to
be able to handle multiple masters and slaves connected to a given bus. Only a single
master and a single slave can communicate on the interface during a given data
transfer. During a data transfer the master always sends a byte of data to the slave,
and the slave always sends a byte of data to the master.
6.15.1
Features
Compliant with Serial Peripheral Interface (SPI) specification.
Synchronous, Serial, Full Duplex, Communication.
Combined SPI master and slave.
Maximum data bit rate of one eighth of the input clock rate.
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LPC2290FBD144/01 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:16/32-bit ARM microcontroller with CAN, 10-bit ADC and external memory interface
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LPC2290FBD144551 制造商:NXP Semiconductors 功能描述:IC 16/32BIT MCU ARM7 SMD LPC2290
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