AT89C5130A-M Microchip Integrated Circuit (Plastic Leaded Chip Carrier) In Stock
The AT89C5130A-M is an 8-bit microcontroller from Microchip with 32 KB flash memory, USB full-speed interface, and 256 bytes of RAM. It operates at up to 48 MHz clock frequency and features a full-duplex UART. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Plastic Leaded Chip Carrier
- Pin Count
- 52
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AT89C5130A-M?
- 8-bit 8051-compatible CPU core running at up to 48 MHz
- 32 KB on-chip flash program memory with ISP support
- USB 2.0 full-speed (12 Mbps) device controller integrated on-chip
- 256 bytes internal RAM plus extended XRAM
- Multiple communication interfaces: UART, SPI, TWI
What is AT89C5130A-M used for?
The AT89C5130A-M is well-suited for USB-connected embedded systems such as HID devices, CDC serial adapters, and mass storage applications. Its 8051-compatible architecture makes it ideal for industrial data acquisition, custom keyboard/mouse firmware, and low-cost USB peripheral development. Designers use it in cost-sensitive IoT edge nodes that require USB connectivity and moderate computation.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for AT89C5130A-M?
Compatible alternatives and drop-in replacements for AT89C5130A-M:
Microcontroller, 8-Bit, FLASH, 8051 CPU, 48MHz, CMOS, PQCC52
Frequently Asked Questions
What flash memory capacity does the AT89C5130A-M provide, and how does it support in-system programming?
The AT89C5130A-M integrates 32 KB of on-chip flash memory. It supports In-System Programming (ISP) via USB, allowing firmware updates without removing the chip from the board, saving significant development and maintenance time across production runs.
How does the AT89C5130A-M handle USB communication, and what speed does it support?
The AT89C5130A-M includes a USB 2.0 full-speed device controller operating at 12 Mbps. This integrated interface eliminates the need for an external USB transceiver, reducing BOM cost and PCB area. It supports standard USB classes such as HID, CDC, and DFU.
At what clock frequency does the AT89C5130A-M operate, and what are its RAM resources?
The AT89C5130A-M operates at up to 48 MHz. It provides 256 bytes of internal RAM plus additional extended XRAM. This combination allows efficient execution of 8051 instruction sets for time-critical embedded control tasks requiring deterministic response within microseconds.
In which industrial or consumer applications is the AT89C5130A-M commonly deployed?
This device is commonly used in USB HID peripherals, CDC serial-to-USB bridges, custom keyboards, and low-cost industrial data loggers. Its 8051 architecture, combined with USB 2.0 full-speed at 12 Mbps, makes it a strong fit for embedded systems requiring reliable USB device communication at under 48 MHz clock speeds.
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