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Name: PSD834F2-90JI
Brand: STMicroelectronics
SKU: PSD834F2-90JI
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics PSD834F2-90JI

Part No.:: PSD834F2-90JI

Manufacturer:: STMicroelectronics

Package:: 52-LCC (J-Lead)

Datasheet:: PSD834F2-90JI.pdf

Description:: IC FLASH 2M PARALLEL 52PLCC

In Stock:: 2365

Quantity:: Add To Cart

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PSD834F2-90JI Specifications

Package/Case:
52-LCC (J-Lead)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Programmable Peripherals IC
Applications:
8-Bit MCU Peripherals
MountingType:
Surface Mount

PSD834F2-90JI this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PSD834F2-90JI price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PSD834F2-90JI to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PSD834F2-90JI information

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PSD834F2-90JI Typical application Circuitry

PSD834F2-90JI

The PSD834F2-90JI is a sophisticated chip designed primarily for integrating with 8-bit microcontrollers to enhance the capabilities of embedded systems. This chip is part of a family known for providing Flash In-System Programmable (ISP) Peripherals, which significantly broadens the scope of functionalities for systems requiring additional memory, configurability, and interfacing options.

Characteristic Features and Specifications:

- Integrated Memory: The PSD834F2-90JI is equipped with ample Flash memory, facilitating both program storage and data logging tasks which are essential for applications requiring frequent updates or data retention capabilities.

- Speed and Efficiency: Operating at a speed that corresponds to the '90J' designation, this chip ensures that embedded applications can run efficiently, balancing power consumption with processing needs.

- Peripheral Richness and I/O Flexibility: With an array of I/O options and peripheral support, the PSD834F2-90JI can handle various sensors, actuators, and communication interfaces, making it a versatile choice for complex embedded projects.

- ISP Support: The in-system programmability feature is crucial for updating firmware on the fly, an essential trait for devices that need to adapt to new functionalities without requiring hardware changes.

Application Scenario - Smart Home Lighting System:

A smart home lighting system is an excellent application example for the PSD834F2-90JI, where it can control various light fixtures based on inputs from sensors or external commands via a home automation network.

- PWM Output for Dimming: Use one of the PSD834F2-90JI's PWM (Pulse Width Modulation) outputs to adjust the brightness of LED light fixtures. Connect a PWM output pin (for instance, PIN A) directly to the gate of a MOSFET that controls the power to the LEDs. Adjusting the PWM duty cycle allows for smooth dimming control.

- Sensor Integration for Automatic Control: Implement light and motion sensors using the PSD834F2-90JI's ADC (Analog to Digital Converter) inputs. For example, connect a light sensor to ADC PIN B to measure ambient light levels and a motion sensor to ADC PIN C, enabling automatic light adjustment or activation based on environmental conditions.

- Network Communication for Smart Control: Utilize the chip's UART or SPI communication interfaces for integrating the lighting system into a broader smart home network. For instance, SPI PINs D, E, F, and G can facilitate communication with a central home automation hub, allowing for remote control and configuration of lighting scenarios.

- Safety Features Integration: Leverage additional I/O pins for integrating safety features such as overcurrent protection and emergency lighting modes. For example, use GPIO PIN H to connect a current sensing resistor, providing feedback for overcurrent protection logic implemented in the firmware.

Design Considerations:

- Power Supply Requirements: Carefully design the power supply to meet the PSD834F2-90JI and the entire lighting system's demands, considering efficiency and stability to prevent fluctuations affecting the chip's performance.

- Noise and Interference Mitigation: Incorporate filtering and grounding strategies to minimize noise and electromagnetic interference (EMI), which could impact the ADC readings and communication reliability.

- Software and Firmware Robustness: Develop firmware that not only efficiently manages light control logic, including sensor data processing and network communication protocols but also ensures reliability and fail-safes for error conditions.

- Expandability and Modularity: Design the system with future expandability in mind, allowing for easy integration of additional lights or sensors without requiring significant redesigns.

In deploying the PSD834F2-90JI within a smart home lighting system, its integrated memory, high-speed operation, extensive I/O and peripheral support, alongside ISP capabilities, make it an ideal choice. Attention to power management, noise suppression, firmware integrity, and system modularity will ensure the successful implementation of a responsive, reliable, and smart lighting solution.

PSD834F2-90JI FAQ

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3. Are the PSD834F2-90JI price and inventory displayed accurate?

The price and inventory of PSD834F2-90JI fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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5. How is the shipping arranged?

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6. What is the process for return or replacement of PSD834F2-90JI?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PSD834F2-90JI we delivered, we will accept the replacement or return of the PSD834F2-90JI only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PSD834F2-90JI.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations