商品型号： W83877ATF 库存编号： 54972 热门程度： 品牌： Winbond 外形封装： QFP-100 生产批号： 05+ 起售数量： 1 参 考 价： 0755-88393056 存货数量： 500 产品简述： I/O ,W83877ATF 免费资料： 下载Datasheet

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W83877ATF简介: 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)

W83877ATF 时间:2008-7-25 10:56:00

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