NXP Manuals

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NXP Semiconductors UM10204 I2C-bus specification and user manual introduces a simple bidirectional 2-wire bus for efficient inter-IC control. This bus is called the Inter-IC or I2C-bus. Only two bus lines are required: a serial data line (SDA) and a serial clock line (SCL). Serial, 8-bit oriented, bidirectional data transfers can be made at up to 100 kbit/s in the Standard-mode, up to 400 kbit/s in the Fast-mode, up to 1 Mbit/s in the Fast-mode Plus (Fm+), or up to 3.4 Mbit/s in the High-speed mode. The Ultra Fast-mode is a uni-directional mode with data transfers of up to 5 Mbit/s.

The PCA9621 is an 8-channel programmable open-drain output driver with a 2-wire bus interface (including I2C bus, SMBus bus, PMBus bus and other systems based on similar principles). Output ports have a 65 mA sink capability, making them ideal for driving LEDs. The state of the outputs is determined by a programmable 8-bit register which can be read and written via signals from the 2-wire bus (e.g., I2C bus or similar). The 2-wire bus interface also has 30 mA Fast-mode Plus (Fm+) capability, and consequently can be run in excess of 1 MHz or up to 4000 pF capacitance. As such, the PCA9621 can be connected to other 2-wire devices across long cable connections. It can be mixed with other Fast-mode Plus slaves in systems driven by Fm+ buffers or by the PCA9646 (fully buffered 4-channel bus switch) to build large scale systems with high-speed or high-capacitance drive capability, for example large scale LED displays or controlled lighting.

The PCA9646 is a monolithic CMOS integrated circuit for 2-wire bus buffering and switching in applications including I2C-bus, SMBus, PMBus, and other systems based on similar principles. Each of the four outputs may be independently enabled in any combination as determined by the contents of the programmable control register. Each I/O is impedance isolated from all others, thus allowing a total of five branches of 2-wire bus with the maximum specified load (e.g., 5  400 pF for Fm+ I2C-bus at 1 MHz, or 5  4 nF at lower frequencies) (Ref. 1). More than one PCA9646 may be used in series, providing a substantial fan-out capability. As per the PCA9525 and PCA9605 simple bus buffers, the PCA9646 includes a unidirectional buffer for the clock signal, and a bidirectional buffer for the data signal. The direction of the clock signal may also be set by the contents of the programmable control register. Clock stretching and timing must always be under control of the master device. The PCA9646 has excellent application to 2-wire bus address expansion and increasing of maximum load capacitance. Very large LED displays are a perfect example.

PicoGate and MicroPak are logical solutions for miniaturization, addressing design issues such as board-space savings, faster time-to-market, simpler PCB routing, reduced ASIC chip size, and voltage translation. They offer popular functions for a wide range of applications and enable faster time-to-market, simpler layouts, and better selection.

NXP's low VCEsat(BISS) transistors offer lower power losses and higher efficiency than their standard transistor counterparts, and they deliver the required performance in smaller packages that save PCB space. Choose from single and double transistors, resistor-equipped transistors (RETs), or load switches, which combine a low VCEsat transistor with a RET in a single package.

This is an application and design manual for RF products, featuring new developments and products in SiGeC RF transistor and RF MMIC technologies, including BFU725F, CATV 1-GHz modules, WiMAX transceivers, and satellite LNB. The manual also introduces new BAW filters.

The low noise amplifier can enhance the reception of the GPS signal, improve the positioning speed and positioning accuracy of the GPS.

I2C-bus is a simple two-wire data transmission protocol invented by NXP more than 20 years ago. It uses two wires to transmit data, SDA and SCL. I2C-bus supports 400khz, 1MHz and 3.4MHz three speeds. I2C-bus can connect multiple devices and identify different devices by using addresses.

NXP Semiconductors offers a wide range of high-performance sensor solutions for automotive applications, including a proven range of magnetoresistive (MR) sensors for angle, rotation and weak-field measurements. These sensors offer precise measurement, reliable operation and long lifetimes – exactly the qualities needed for automotive use.

Near Field Communication (NFC) is a short-range and secure wireless technology that makes connectivity for personal communication and portable devices really easy. But it does much more than connect devices. It’s a totally new way of doing things - by touch. It also enables many new mobile applications and innovative services. So it can put your company and your customers in touch with a bigger world. The key to NFC is that it’s extremely intuitive to use - simply touch two NFC-enabled devices together and they connect. Establishing a wireless link between devices or enabling end-to-end global transactions. Making a ticket payment or reading smart labels. Storing ownership rights or an electronic door key. People want easy electronics and NFC’s intuitive operation delivers it, changing the way we interact with technology and our environment. All this is in marked contrast to the complex way we’re forced to set up and interconnect most electronic equipment. NFC is a new technology with a lot of potential. The NFC Forum was founded by Philips, Sony and Nokia. Now it counts more than 60 of the biggest names in the electronics, software and fi nance industries among its members. If you’re an equipment manufacturer or a software developer, a service or content provider, this is one technology you need to keep an eye on.

NXP offers a wide range of discretes for digital still cameras, which provide low power consumption, small size, and robust design.

NXP ESD protection diodes provide advanced protection for FlexRay, LIN, and CAN systems. This selection guide provides information on the ESD protection diodes including pin configuration, packages, ESD rating, rated power, typical parasitic capacitance, maximum clamping current and maximum clamping voltage.

This document introduces the NXP PNX953x automotive A/V reference design, which provides high performance and versatility so you can quickly create innovative audio/video systems.