8745BM-21LF

Overview

• Category: Electronic Component
• Use: Integrated Circuit
• Characteristics: High-performance, Low-power consumption
• Package: 21-pin Lead Frame (LF)
• Essence: Microcontroller
• Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications and Parameters

• Operating Voltage: 3.3V
• Clock Frequency: 16 MHz
• Flash Memory: 128 KB
• RAM: 8 KB
• I/O Pins: 19
• ADC Channels: 8
• Communication Interfaces: UART, SPI, I2C
• Operating Temperature: -40°C to +85°C

Pin Configuration

The pin configuration of 8745BM-21LF is as follows:

1. VDD
2. GND
3. GPIO0
4. GPIO1
5. GPIO2
6. GPIO3
7. GPIO4
8. GPIO5
9. GPIO6
10. GPIO7
11. ADC0
12. ADC1
13. ADC2
14. ADC3
15. ADC4
16. ADC5
17. ADC6
18. ADC7
19. RESET
20. SDA
21. SCL

Functional Characteristics

• High processing speed and performance
• Low power consumption
• Support for multiple communication interfaces
• Built-in analog-to-digital converter (ADC)
• Flexible I/O pins for versatile applications
• Reset function for system initialization

Advantages and Disadvantages

Advantages: - High-performance microcontroller - Low power consumption - Versatile I/O pins - Multiple communication interfaces

Disadvantages: - Limited flash memory capacity - Limited RAM size

Applicable Range of Products

• Consumer Electronics
• Industrial Automation
• Internet of Things (IoT) Devices
• Embedded Systems

Working Principles

The 8745BM-21LF microcontroller operates based on the principles of digital logic and integrated circuit technology. It executes instructions stored in its flash memory to perform various tasks, such as data processing, control operations, and communication with external devices.

Detailed Application Field Plans

The 8745BM-21LF microcontroller can be applied in various fields, including:

1. Home Automation: Controlling smart home devices, such as lighting systems, thermostats, and security systems.
2. Industrial Control: Monitoring and controlling industrial processes, machinery, and equipment.
3. Wearable Technology: Powering wearable devices, such as fitness trackers and smartwatches.
4. Automotive Electronics: Managing vehicle systems, including engine control, infotainment, and driver assistance.
5. Internet of Things (IoT): Enabling connectivity and data exchange between IoT devices.

Detailed Alternative Models

Some alternative models to the 8745BM-21LF microcontroller include:

1. 8745AM-21LF
2. 8745CM-21LF
3. 8745DM-21LF
4. 8745EM-21LF
5. 8745FM-21LF

5 Common Technical Questions and Answers

1. Q: What is the maximum clock frequency supported by the 8745BM-21LF? A: The 8745BM-21LF supports a maximum clock frequency of 16 MHz.

2. Q: How many I/O pins are available on the 8745BM-21LF? A: The 8745BM-21LF has 19 I/O pins.

3. Q: Can the 8745BM-21LF communicate using UART? A: Yes, the 8745BM-21LF supports UART communication.

4. Q: What is the operating temperature range of the 8745BM-21LF? A: The 8745BM-21LF can operate in temperatures ranging from -40°C to +85°C.

5. Q: Does the 8745BM-21LF have built-in analog-to-digital converters? A: Yes, the 8745BM-21LF has 8 built-in ADC channels for analog input conversion.

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