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PCF8575TS/1
+BOMReal Time Clock PCF8575TS/SSOP24//1/STANDARD MARKING * IC'S TUBE -
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Ông. Phần #PCF8575TS/1
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Description
Key features include:
- 16-bit I/O Port Expansion: Provides 16 quasi-bidirectional I/O pins that can be individually configured as inputs or outputs.
- I²C Interface: Compatible with both standard-mode (100 kHz) and fast-mode (400 kHz) I²C protocols.
- Addressable: Offers three address pins, allowing the connection of up to eight PCF8575TS/1 devices on the same I²C bus.
- Low Standby Current: Efficient in low-power applications.
- Versatile Applications: Utilized in consumer electronics, industrial applications, and anywhere additional digital I/O is needed.
In summary, the PCF8575TS/1 is a practical solution for expanding the number of I/O ports in an embedded system through a simple and efficient interface.
Equivalent
Features
1. I2C Interface: It supports standard and fast I2C interfaces, allowing easy integration with microcontrollers.
2. 16-bit I/O Expansion: Provides 16-bit, bidirectional I/O port expansion, useful for increasing the number of I/O pins in a system without additional microcontroller pins.
3. Addressing: Up to 8 devices can be connected to the I2C bus by configuring the address pins, allowing multiple expanders to be used in the same system.
4. Low Standby Current: Designed for low power consumption, making it suitable for battery-powered applications.
5. Open-Drain Outputs: The outputs are open-drain, allowing for a wide range of applications and can sink larger currents.
6. Power-On Reset: The device includes a power-on reset to ensure proper initialization.
7. Versatile Voltage Range: Operates over a wide supply voltage range, typically 2.5V to 5.5V.
These features make the PCF8575TS/1 a flexible solution for expanding digital I/O in embedded systems.
Pinout
1. VDD: Power supply pin.
2. VSS: Ground pin.
3. SCL: Serial clock line for I²C communication.
4. SDA: Serial data line for I²C communication.
5. P00-P07, P10-P17: General-purpose I/O pins (total of 16), which can be used as input or output ports.
6. A0, A1, A2: Hardware address pins, allowing up to 8 devices on the same I²C bus.
7. INT: Interrupt output pin, which signals changes on the input port.
The device functions by using I²C communication to control and monitor the state of the 16 I/O pins, enabling efficient use in applications requiring additional ports for control or monitoring without increasing the microcontroller pin count.
Manufacturer
Application
1. Consumer Electronics: Enhancing the input/output capabilities of devices like TVs and home entertainment systems.
2. Industrial Automation: Expanding I/O ports in control and monitoring systems.
3. Home Automation: Integrating additional sensors and actuators.
4. IoT Devices: Providing extra I/O for connectivity and control functions.
5. Embedded Systems: Supporting microcontrollers with limited I/O ports.
These applications leverage the device's ability to interface with microcontrollers via the I2C protocol, making it versatile for various expansion needs.