AT43USB355E-AC

High-performance 64-pin LQFP MCU with AVR RISC architecture
5,163 有效庫存

AT43USB355E-AC

有效庫存5,163

High-performance 64-pin LQFP MCU with AVR RISC architecture

  • 製造商零件號 # : AT43USB355E-AC

  • 包裝/封裝: LQFP-64

  • 零件狀態 : Discontinued

  • 製造商: Microchip Technology

  • 產品分類 : Application Specific Microcontrollers

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All Parts Extended Quality Guarantee

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AT43USB355E-AC 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!

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詳細說明

The AT43USB355E-AC is a USB full-speed bridge chip from Microchip Technology. It offers a complete USB interface for any microcontroller with a SPI interface, enabling easy integration of USB connectivity into various embedded systems. This bridge chip supports USB 1.1 full-speed (12 Mbps) communication and is compatible with both USB host and USB device applications. It features an integrated 3.3V voltage regulator, eliminating the need for an external regulator. The chip also includes a 3.3V LDO voltage regulator for powering external components, making it a versatile solution for various USB interface applications.The AT43USB355E-AC is designed for low-power consumption, making it suitable for battery-powered devices. It operates with a supply voltage range of 3.0V to 3.6V and has a typical operating current of 11mA in USB host mode and 4mA in USB device mode.The chip comes in a 20-pin SSOP package, making it easy to integrate into small form factor designs. It also features a SPI interface for communication with the microcontroller, simplifying the software development process.

主要特徵

  • Single-chip low-power USB Full-speed Interface
  • 8051 Microcontroller Core running at 24 MHz
  • Two UARTs up to 3 Mbaud
  • 10-bit Analog to Digital converter
  • Real-time Counter with alarm functions
  • USB Battery Charging detection
  • 6-channel PWM Timer with Interrupt generation

應用

  • USB controlled RF transmitters
  • Set-top boxes
  • USB dongles
  • Game controllers
  • Wireless input devices
  • Remote control devices
  • Security systems
  • Industrial control systems
  • Home automation systems
  • Medical equipment

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category ! 8-bit Microcontrollers - MCU RoHS N
Series 43USB Mounting Style SMD/SMT
Package / Case LQFP-64 Core AVR
Program Memory Size 1 kB Data Bus Width 8 bit
ADC Resolution 10 bit Maximum Clock Frequency 12 MHz
Number of I/Os 27 I/O Data RAM Size 1 kB
Supply Voltage - Min 4.4 V Supply Voltage - Max 5.25 V
Minimum Operating Temperature 0 C Maximum Operating Temperature ! + 70 C
Brand Microchip Technology Height 1.45 mm
Interface Type SPI Length 10.1 mm
Number of ADC Channels 12 Channel Number of Timers/Counters 16 Timer
Product Type ! 8-bit Microcontrollers - MCU Program Memory Type ! Flash
Factory Pack Quantity 160 Subcategory Microcontrollers - MCU
Width 10.1 mm Unit Weight 0.012088 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 AT43USB355E-AC PDF 下載

常見問題解答

What is AT43USB355E-AC?

The AT43USB355E-AC is a low-power, highly integrated USB controller designed by Microchip Technology. It is specifically tailored for USB-based human interface device (HID) applications, such as keyboards, mice, and other input devices. The controller offers advanced features for USB communication while minimizing power consumption, making it an ideal solution for portable and battery-powered devices.

How Does AT43USB355E-AC Work?

The AT43USB355E-AC operates by managing the USB communication protocol and handling the data transfer between the HID device and the host system. It supports various features such as USB remote wake-up, advanced power management, and robust error handling to ensure reliable and efficient USB data communication.

How Many Pins does AT43USB355E-AC have and What are the Functions of the Pinout Configuration?

The AT43USB355E-AC is housed in a 32-lead QFN (Quad Flat No-lead) package. The pinout configuration includes:

  • VDD, VSS: Power supply and ground pins, respectively.
  • USBP, USBN: USB positive and negative data line pins.
  • XCL, XDA, XCK, XIM: Clock and data interface pins for external crystal oscillator connection.
  • IRQ, RST: Interrupt and reset pins for system control.
  • GPIO: General-purpose input/output pin for user-defined functionality.

What are the Pros and Cons of AT43USB355E-AC?

Pros:

  • High Integration: Combines USB controller functionality with power management features in a single chip.
  • Low Power Consumption: Optimized for battery-powered and portable devices, extending battery life.
  • Advanced Features: Supports USB remote wake-up and robust error handling for reliable data communication.
  • Compact Package: 32-lead QFN package offers space-efficient integration into small form factor designs.

Cons:

  • Complexity: USB controller configuration and firmware development may require additional expertise.
  • External Components: External crystal oscillator and passive components may be required for proper operation.

Are There Any Equivalents/Alternatives to AT43USB355E-AC for Recommendation?

  • The USB3300 from Microchip Technology offers similar USB controller functionality for HID applications.
  • Alternatives to the AT43USB355E-AC include the MAX3421E from Maxim Integrated and the TUSB2046B from Texas Instruments.

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