AT89C5131A-M - Uncategorized Microchip - Free user manual and instructions
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| Product Type | 8-bit Microcontroller |
| Brand | Microchip Technology |
| Model | AT89C5131A-M |
| Core Architecture | 8051 |
| Program Memory Type | Flash |
| Program Memory Size | 32 KB |
| RAM Size | 1.25 KB |
| EEPROM Size | 2 KB |
| Max Clock Frequency | 24 MHz |
| USB Interface | USB 2.0 Full-Speed |
| Operating Voltage Range | 2.7V - 5.5V |
| Number of I/O Pins | 34 I/O pins |
| Package Type | QFP-32 |
| Operating Temperature Range | -40°C to +85°C |
| Programming Interface | In-System Programmable (ISP) |
| Debugging Interface | In-System Debugging (ISD) |
| Low Power Modes | Idle and Power-down modes |
| Applications | Embedded systems, industrial control, USB peripherals |
| Maintenance | No routine maintenance required; ensure PCB remains clean |
| Cleaning | Use dry, soft cloth; avoid liquids and abrasive cleaners |
| Safety Precautions | Electrostatic discharge sensitive; handle with ESD protection |
| Spare Parts | Not applicable; device is typically soldered onto the PCB |
| Repairability | Not repairable; replace the unit if defective |
| Certifications | RoHS compliant |
Frequently Asked Questions - AT89C5131A-M Microchip
What is the AT89C5131A-M microcontroller?
The AT89C5131A-M is an 8-bit microcontroller based on the classic 8051 architecture, manufactured by Microchip Technology. It features 32 KB of Flash memory, 2 KB of EEPROM, and a full-speed USB 2.0 interface, making it ideal for embedded control applications.
What is the maximum clock frequency of the AT89C5131A-M?
The maximum clock frequency is 24 MHz. This allows for high-speed processing while maintaining compatibility with standard 8051 code.
What is the operating voltage range?
The device operates from 2.7V to 5.5V, providing flexibility for both 3.3V and 5V systems.
How much program and data memory does it have?
It has 32 KB of Flash for program storage, 1.25 KB of RAM for data, and 2 KB of EEPROM for non-volatile data storage.
Does the AT89C5131A-M support USB communication?
Yes, it includes a USB 2.0 full-speed interface (12 Mbps), which supports both device and host modes (depending on configuration).
Can this microcontroller be programmed in-circuit?
Yes, it supports In-System Programming (ISP) and In-System Debugging (ISD), making it easy to update firmware without removing the chip from the circuit.
What is the package type of the AT89C5131A-M?
The 'M' suffix indicates a QFP-32 package (Quad Flat Package) with 32 pins. This is suitable for surface-mount PCB assembly.
What are the low-power features?
The device offers Idle mode (CPU stopped, peripherals active) and Power-down mode (all clocks stopped), significantly reducing power consumption for battery-operated systems.
What kind of applications is this chip suited for?
The AT89C5131A-M is ideal for USB peripherals, industrial control systems, human interface devices (HID), sensor nodes, and other embedded applications requiring a robust 8051 core with USB connectivity.
How should I handle this device to avoid damage?
The microcontroller is electrostatic discharge (ESD) sensitive. Use proper grounding, anti-static mats, and wrist straps when handling it. Avoid touching the pins directly and store it in antistatic packaging when not in use.
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Brand : Microchip
Model : AT89C5131A-M
Category : Uncategorized