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W81E381D

Features: • Fully compliant with the Universal Serial Bus Specification version 1.1.• Support USB Suspend and Resume operation for power-down standby.• Support USB remote wake up function.• Embedded microprocessor--8052 with extra 256Bytes RAM for data processing/storage, 2...

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SeekIC No. : 004545080 Detail

W81E381D: Features: • Fully compliant with the Universal Serial Bus Specification version 1.1.• Support USB Suspend and Resume operation for power-down standby.• Support USB remote wake up f...

W81E381D Data Sheet

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Part Number:
W81E381D
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/13

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Product Details

Description



Features:

• Fully compliant with the Universal Serial Bus Specification version 1.1.
• Support USB Suspend and Resume operation for power-down standby.
• Support USB remote wake up function.
• Embedded microprocessor--8052 with extra 256Bytes RAM for data processing/storage, 20 Kbytes of In-System Programmable Flash memory.
• Internal generated 12MHz clock for 8052 use (the same as standard 8052 uses 24 MHz clock outside)
• External and separated 8052 clock input supported
• 6 clock per instruction 8052 core
• Flash support 512Byte erase block
• Software setting, 2KByte block programmable write protection for Flash memory
• 6-Mhz crystal/oscillator input for both Full speed application with limited EMI affection
• Support smart card interface, including serial interface memory card, and SCIO & SCCLK pins could be programmed as GPIO pins by registers setting
• Built-in 3.3V power regulator for single 5V power operation
• Internal PLL for USB and SC requirements
• Support one Control endpoint for command (8 bytes), and four endpoints 1, 2, 3, 4 (Bulk In, Bulk Out Interrupt In, and Interrupt Out) for data.
􀂃 BulkIn, BulkOut with 16 bytes FIFO
􀂃 InterruptIn, InterruptOut with 8 bytes FIFO
• W81E381D: 48LQFP package
• W81E381AD: 100LQFP package


Pinout

Connection Diagram


Description

The W81E381 is 8052-based USB device with 20 Kbytes flash memory. By integrating the USB1.1 transceiver, SIE, enhanced 8032 code, 20K Flash memory, extra 256 Byte RAM, power regulator, and general purpose I/O in single chip, W81E381D/W81E381AD creates a very low cost-effective solution that provides superior time-to-market advantages. The GPIO provides an easy interface to popular interface, such as ATAPI, EPP, RS232, MCU and DSP interface.




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