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Description
One of Winbond's popular series of I/O chips is the W8381-B3. It is an enhanced version of the W83777F model and integrates a disk drive adapter, serial port (UART), parallel port, IDE bus interface, and game port decoder onto a single chip. The W8381-B3 also comes with additional powerful features such as configurable plug-and-play registers for the whole chip and infrared support in one of the serial ports.
Specifications and features
General:
- Compatible with IBM PC AT disk drive systems
- Variable write pre-compensation with track selectable capability
- DMA enable logic
- Non-burst mode DMA option
- Supports floppy disk drives and tape drives
- Built-in address mark detection circuit to simplify the read electronics
- IBM PC system address decoder
- Single 24 MHz crystal input
- FDD anti-virus functions with software write protect and FDD write enable signal, write data signal force inactive
- Completely compatible with industry standard 82077
- 360K/720K/1.2M/1.44M/2.88M format
- 250K, 300K, 500K, 1M bps data transfer rate
- Supports vertical recording format
- 16-byte data FIFOs
UART:
- Two high-speed 16550 compatible UARTs with 16-byte send/receive FIFOs
- MIDI compatible
- Fully programmable serial-interface characteristics:
- 5, 6, 7 or 8-bit characters
- Even, odd or no parity bit generation/detection
- 1, 1.5 or 2 stop bits generation
- Internal diagnostic capabilities:
- Loop-back controls for communications link fault isolation
- Break, parity, overrun, framing error simulation
- Programmable baud generator allows division of 1.8461 MHz and 24 MHz by 1 to (2^16-1)
Parallel Port:
- Compatible with IBM parallel port
- Supports parallel port with bidirectional lines
- Supports Enhanced Parallel Port (EPP) - Compatible with IEEE 1284 specification
- Supports Extended Capabilities Port (ECP) - Compatible with IEEE 1284 specification
- Extension FDD mode supports disk drive B through parallel port
- Extension Adapter Mode supports pocket devices through parallel port
- Extension 2FDD mode supports disk drives A and B through parallel port
- JOYSTICK mode supports joystick through parallel port
Others:
- Programmable configuration settings
- Immediate or automatic power-down mode for power management
- All hardware power-on settings have internal pull-up or pull-down resistors as default value
- Packaged in 100-pin QFP
- Configurable Plug and Play registers
- Infrared communication port
Application Scenarios
The W8381-B3 can be used in various electronic devices that require I/O capabilities. Some examples include:
- Computers
- Printers
- Game consoles
- Industrial control systems
Comparison
Advantages- Integration of multiple I/O functionalities onto a single chip
- Enhanced features compared to previous models
- Configurable Plug and Play registers for easy customization
- Infrared support for increased connectivity options
Disadvantages- Packaged in 100-pin QFP, which may have size limitations in some applications
- Requires additional programming for specific functionalities
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
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Additional Information
- Datasheet: Download W8381-B3
- Chipdatas Part: CD88-W8381-B3
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/30 02:44 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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