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W83877ATF
W83877ATF - Brand New Winbond Electronics IC Chips
- One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
GENERAL DESCRIPTION
One of Winbonds popular series of I/O chips, the W83877F integrates a disk drive adapter, serial port (UART), parallel port, IDE bus interface, and game port decoder onto a single chip. The W83877F is an enhanced version of the W83777F, with additional powerful features such as configurable plug-and-play registers for the whole chip and infrared support in one of the serial ports.
FEATURES
FDC:
● 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
● Detects all overrun and underrun conditions
● Data rate and drive control registers
● Built-in address mark detection circuit to simplify the read electronics
● IBM PC system address decoder
● Supports up to two embedded hard disk drives (IDE AT BUS)
● Single 24 MHz crystal input
● FDD anti-virus functions with software write protect and FDD write enable
signal, write data signal force inactive
● Supports up to four 3.5-inch or 5.25-inch floppy disk drives
● 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
(216-1)
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
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
| United States | 3 - 5 days | 10-15 days | |
| Canada | 3 - 5 days | 10-20 days | |
| Mexico | 3 - 5 days | 10-17 days | |
| Germany | 3 - 5 days | 10-12 days | |
| Italy | 3 - 5 days | 10-15 days | |
| United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |