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PCF8584T/2

Name: PCF8584T/2
Rating: 4.7 (12 reviews)

Производитель
Мфр. Часть #PCF8584T/2
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Спецификации

Brand	NXP Semiconductors
Product Type	Real Time Clocks
Subcategory	Clock & Timer ICs

Обзор

Description

The PCF8584T/2 is a versatile I²C-bus controller designed for interfacing with microcontrollers and peripherals. It is particularly useful for applications that require multiple I²C devices to communicate efficiently. This IC supports both master and slave modes, allowing it to initiate communication or respond to requests from other I²C devices.
Key features include support for up to 8 I²C-bus devices, programmable addressing, and the ability to operate at standard I²C speeds. It integrates a FIFO buffer for data handling, enabling seamless transmission and reception of data. The PCF8584T/2 simplifies the design of systems that utilize I²C by managing the protocol overhead, allowing developers to focus on application logic.
Applications include data acquisition systems, sensor networks, and any scenario where multiple I²C devices are employed. The chip operates from a wide voltage range and is compatible with various microcontrollers, making it a popular choice in embedded systems.

Features

The PCF8584T/2 is an I²C bus controller designed for interfacing with multiple I²C devices. Key features include:
1. I²C Bus Controller: Facilitates communication between microcontrollers and I²C devices.
2. Multi-Master and Multi-Slave Support: Can manage multiple masters and slaves on the I²C bus.
3. Data Transfer Rates: Supports standard I²C speeds of up to 100 kHz and fast-mode up to 400 kHz.
4. Compatible with 8-bit Microcontrollers: Works well with various 8-bit microcontrollers due to its simple interface.
5. Flexible Addressing: Supports 7-bit and 10-bit addressing modes for I²C devices.
6. Built-in Interrupt: Provides an interrupt output for easier integration with microcontrollers.
7. Serial EEPROM Interface: Can be used to communicate with external EEPROMs.
8. Low Power Consumption: Operates efficiently, making it suitable for battery-powered applications.
This device is ideal for applications requiring multiple I²C devices, such as sensors, EEPROMs, and other peripherals.

Package

The PCF8584T/2 is packaged in a DIP (Dual In-line Package) format, specifically a 16-pin DIP. This type of package is commonly used for integrated circuits, offering easy mounting on printed circuit boards.

Pinout

The PCF8584T/2 is an I2C bus controller with a 16-pin dual in-line package (DIP) configuration. The pin count is 16, and the functions of the pins are as follows:
1. VDD (Pin 1): Supply voltage (typically +5V).
2. VSS (Pin 16): Ground.
3. SDA (Pin 2): Serial data line for I2C communication.
4. SCL (Pin 3): Serial clock line for I2C communication.
5. INT (Pin 4): Interrupt output to signal the host CPU.
6. A0 (Pin 5): Address input for slave selection (if multiple devices are connected).
7. A1 (Pin 6): Address input for slave selection.
8. A2 (Pin 7): Address input for slave selection.
9. RD (Pin 8): Read control input.
10. WR (Pin 9): Write control input.
11. CS (Pin 10): Chip select input.
12. RESET (Pin 11): Reset pin to initialize the device.
13. DA0 (Pin 12): Data output for external devices.
14. DA1 (Pin 13): Data output for external devices.
15. DA2 (Pin 14): Data output for external devices.
16. DA3 (Pin 15): Data output for external devices.
This device facilitates communication between microcontrollers and I2C peripherals.

Manufacturer

The PCF8584T/2 is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in the design and production of a wide range of integrated circuits and microcontrollers. Founded in 2006 as a spin-off from Philips, NXP focuses on automotive, security, IoT (Internet of Things), and mobile applications. The company is known for its innovative solutions in connectivity and processing, catering to various industries including automotive, industrial, and consumer electronics. NXP’s products are widely recognized for their reliability and performance, making them a key player in the semiconductor market.

Application

The PCF8584T/2 is an I²C bus controller that facilitates communication between microcontrollers and peripheral devices. Its application areas include industrial automation, automotive systems, consumer electronics, and medical devices. It is used for connecting sensors, displays, and memory devices, enabling data transfer in embedded systems, and managing multiple I²C devices within a network.

Equivalent

The PCF8584T/2 is an I²C bus controller. Equivalent products include the MCP23008 (for GPIO), PCA9500 (I²C bus expander), and the TCA9555 (I²C I/O port expander). For broader compatibility, consider similar I²C controllers like the PCA9554 or PCA9555. Always verify specific functionality and interface requirements before substitution.

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