USB2513B-I/M2

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The USB2513B-I/M2 is an EZ-USB family controller designed and manufactured by Cypress Semiconductor Corporation. It is a new generation of the classic 8-bit EZ-USB microcontroller, providing a comprehensive solution for managing and controlling USB peripheral devices. It is a high-performance, low-power, cost-effective USB controller with integrated functionality, making it ideal for a wide range of USB applications. This article will detail the application field and working principle of the USB2513B-I/M2.

Application Field

The USB2513B-I/M2 is ideal for applications that require direct connection to a USB host, including:

• USB Plug and Play (PnP) peripheral devices
• USB human-interface devices (HID) such as keyboards, mice, and joysticks
• USB printer/scanner, flash drive, and other USB storage devices
• USB modems and Network Interface Cards (NIC)
• USB hobbyist projects

The USB2513B-I/M2 is designed to provide a fast, reliable interface between a computer and its USB-enabled peripherals. It eliminates the need for cables, adapters, and drivers and is optimized for low-power, low-cost implementations.

Working Principle

The USB2513B-I/M2 is a low-cost USB Controller for 21st century USB applications. It employs a 8051-based CPU architecture with a 16-bit RISC core and a robust USB 2.0 compliant interface. It has integrated support for popular USB classes such as HID, Audio, Mass Storage, Printer, Hub, Ethernet, etc. It also supports dual bus-power management, which allows the device to draw power from both the USB host and the peripheral device.

With its 16-bit RISC core, the USB2513B-I/M2 provides faster execution and increased memory bandwidth than the 8051 controller used in previous USB devices. It also offers a highly integrated peripheral subsystem, allowing for more efficient USB implementation.

The USB2513B-I/M2 includes a USB 2.0 compliant Digital Signal Processor (DSP), which provides faster data transfer and buffering capabilities than the 8-bit USB 1.x design. It also features an Enhanced Direct Memory Access (EDMA) controller and a Host Interface Controller (HIC). The EDMA controller is used to transfer bulk data between the USB host and the peripheral device, while the HIC is used to manage data transactions and to handle peripheral device requests.

The USB2513B-I/M2 features an on-chip EEPROM, which provides flexibility and cost savings by eliminating the need for external memory or programming hardware. It also supports multiple programming languages, including C and assembly, allowing for faster and easier development. Additionally, the chip is compliant with the Clock Frequency Synthesis Standard (CFSS), making it compatible with older devices.

The USB2513B-I/M2 offers improved power management, making it ideal for energy-sensitive applications. It supports down-stream power management, allowing the device to operate in low power states when not in active use. It also includes an on-chip power-on reset circuit, which provides a stable reset at power-on, ensuring reliable performance.

Conclusion

The USB2513B-I/M2 is a versatile, low-cost USB controller designed to provide a fast, reliable interface between a computer and its USB-enabled peripherals. It offers high performance and low power consumption, making it ideal for a wide range of USB applications, including plug and play peripherals, human interface devices, printers, scanners, and flash drives. Additionally, it features an integrated peripheral subsystem and on-chip EEPROM, making it easy to develop and program. Finally, it offers improved power management, making it an ideal solution for energy-sensitive applications.

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