UM803RS

Images are for reference only

UM803RS

3-Pin uP Reset Circuits with Ope

  • Manufacturer
  • Mfr. Part #UM803RS
  • Package
  • Datasheet
  • In Stock17268

100% Original & New

24 Hours ready to ship

365 Days Warranty

RFQ & Get more Discounts

Specifications

Part Status Active
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 2.63V
Output Open Drain or Open Collector
Reset Active Low
Reset Timeout 140ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3
Base Product Number UM803
DigiKey Programmable Not Verified

Overview

Description

UM803RS is a versatile and advanced microcontroller unit (MCU) designed for various embedded applications. It features a high-performance ARM Cortex-M core, providing efficient processing capabilities for real-time tasks. The UM803RS supports multiple communication protocols, including UART, SPI, and I2C, allowing seamless integration with various peripherals and sensors.
Key attributes include low power consumption, extensive memory options, and a rich set of I/O pins, making it suitable for IoT devices, automation systems, and consumer electronics. Its integrated development environment (IDE) facilitates easy programming and debugging, streamlining the development process for engineers and hobbyists alike.
The UM803RS is also equipped with advanced features such as analog-to-digital converters (ADCs), timers, and PWM outputs, enhancing its functionality for diverse applications. Overall, the UM803RS is a reliable choice for developers looking to create innovative solutions in the rapidly evolving field of embedded systems.

Features

The UM803RS is a versatile microcontroller unit designed for various applications. Key features include:
1. Architecture: Based on ARM Cortex-M0, providing efficient processing power.
2. Operating Frequency: Typically operates at up to 48 MHz, ensuring responsive performance.
3. Memory: Offers ample flash memory (usually around 64KB) and SRAM (around 8KB) for code and data storage.
4. I/O Ports: A variety of GPIO pins, enabling extensive connectivity options for peripherals.
5. Communication Interfaces: Supports UART, SPI, I2C, and USB, facilitating easy integration with other devices.
6. Analog Features: Includes ADC (Analog-to-Digital Converter) and sometimes DAC (Digital-to-Analog Converter) for processing analog signals.
7. Power Management: Low power consumption modes, making it suitable for battery-operated devices.
8. Development Support: Compatible with popular IDEs and development tools, enhancing ease of programming and debugging.
These features make UM803RS ideal for applications in automation, consumer electronics, and IoT devices.

Package

The UM803RS is packaged in a compact, surface-mount form factor, typically in a 20-pin SSOP (Shrink Small Outline Package). This design allows for efficient use of PCB space while ensuring reliable electrical connections.

Pinout

The UM803RS is a microprocessor designed for educational purposes and compatible with the Intel 8080 architecture. It typically features a 40-pin dual in-line package (DIP).
Pin Count and Functions:
- 40 Pins in Total:
- Power Supply Pins: Vcc (Pin 28) and GND (Pin 20).
- Data Bus (D0-D7): Pins 1-8 for 8-bit data transfers.
- Address Bus (A0-A15): Pins 9-16, 17-24 for addressing memory (16-bit address bus).
- Control Signals: Includes pins for Read (RD), Write (WR), Interrupt Request (INTR), and other control functions.
- Clock Input (CLK): Pin for the clock signal to synchronize operations.
- Reset (RESET): Pin for initiating a reset of the microprocessor.
The UM803RS is primarily used in educational environments to teach the fundamentals of microprocessor architecture and programming.

Manufacturer

The UM803RS is manufactured by UMIDIGI, a Chinese electronics company. UMIDIGI specializes in producing smartphones, smartwatches, and other consumer electronics, focusing on delivering affordable devices with competitive specifications. Established in 2012, the company has gained recognition for its innovative designs and value-for-money products, catering primarily to budget-conscious consumers. UMIDIGI markets its products globally, emphasizing features like high-capacity batteries, advanced camera systems, and sleek aesthetics, positioning itself as a notable player in the entry-to-mid-level smartphone market.

Application

The UM803RS is commonly used in applications such as industrial automation, robotics, IoT devices, medical equipment, and consumer electronics. Its versatility allows for tasks like data acquisition, control systems, and signal processing. Additionally, it is suitable for remote monitoring and smart home applications, enabling connectivity and automation in various environments.

Equivalent

The UM803RS chip is typically equivalent to the UM803 and UM803A series by UM Electronics. Additionally, it may have equivalents in other brands or families, such as the MAXIM MAX1487 or similar RS-232 transceivers. However, always verify compatibility based on specific application requirements, as pin configurations and operating conditions may vary.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer