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LPC2292 数据表(PDF) 20 Page - NXP Semiconductors |
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LPC2292 数据表(HTML) 20 Page - NXP Semiconductors |
20 / 54 page LPC2292_2294_6 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 06 — 10 December 2007 20 of 54 NXP Semiconductors LPC2292/LPC2294 16/32-bit ARM microcontrollers with external memory interface 6.10 CAN controllers and acceptance filter The LPC2292/2294 each contain two/four CAN controllers. The CAN is a serial communications protocol which efficiently supports distributed real-time control with a very high level of security. Its domain of application ranges from high-speed networks to low cost multiplex wiring. 6.10.1 Features • Data rates up to 1 Mbit/s on each bus. • 32-bit register and RAM access. • Compatible with CAN specification 2.0B, ISO 11898-1. • Global Acceptance Filter recognizes 11-bit and 29-bit RX identifiers for all CAN buses. • Acceptance Filter can provide FullCAN-style automatic reception for selected Standard identifiers. 6.11 UARTs The LPC2292/2294 each contain two UARTs. In addition to standard transmit and receive data lines, the UART1 also provides a full modem control handshake interface. 6.11.1 Features • 16 B Receive and Transmit FIFOs. • Register locations conform to 16C550 industry standard. • Receiver FIFO trigger points at 1 B, 4 B, 8 B, and 14 B • Built-in fractional baud rate generator covering wide range of baud rates without a need for external crystals of particular values. • Transmission FIFO control enables implementation of software (XON/XOFF) flow control on both UARTs. • UART1 is equipped with standard modem interface signals. This module also provides full support for hardware flow control (auto-CTS/RTS). 6.11.2 UART features available in LPC2292/2294/01 only Compared to previous LPC2000 microcontrollers, UARTs in LPC2292/2294/01 introduce a fractional baud rate generator for both UARTs, enabling these microcontrollers to achieve standard baud rates such as 115200 Bd with any crystal frequency above 2 MHz. In addition, auto-CTS/RTS flow-control functions are fully implemented in hardware. • Fractional baud rate generator enables standard baud rates such as 115200 Bd to be achieved with any crystal frequency above 2 MHz. • Auto-bauding. • Auto-CTS/RTS flow-control fully implemented in hardware. 6.12 I2C-bus serial I/O controller The I2C-bus is bidirectional, 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 |
类似零件编号 - LPC2292 |
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类似说明 - LPC2292 |
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