F81865F View Datasheet(PDF) - Feature Integration Technology Inc.
Part Name
Description
Manufacturer
F81865F Datasheet PDF : 128 Pages
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F81865
FDC
¾ Compatible with IBM PC AT disk drive systems
¾ Variable write pre-compensation with track selectable capability
¾ Support vertical recording format
¾ DMA enable logic
¾ 16-byte data FIFOs
¾ Support floppy disk drives and tape drives
¾ Detects all overrun and under run conditions
¾ Built-in address mark detection circuit to simplify the read electronics
¾ Completely compatible with industry standard 82077
¾ 360K/720K/1.2M/1.44M/2.88M format; 250K, 300K, 500K, 1M, 2M bps data transfer rate
UART
¾ Provide 6 fully functional UART
¾ 6 high-speed 16C550 compatible UART with 16-byte FIFOs
¾ Fully programmable serial-interface characteristics
¾ Baud rate supports 115.2K, max. up to 1.5M
¾ Support IRQ 3,4,5,6,7,8,9,10,11 sharing
¾ Provide 9-bits Function for Gaming Machine
¾ Support IrDA version 1.0 SIR protocol
Parallel Port
¾ One PS/2 compatible bi-directional parallel port
¾ Support Enhanced Parallel Port (EPP) − Compatible with IEEE 1284 specification
¾ Support Extended Capabilities Port (ECP) − Compatible with IEEE 1284
¾ Enhanced printer port back-drive current protection
Keyboard Controller
¾ compatibility with the 8042
¾ Support PS/2 mouse
¾ Support both interrupt and polling modes
¾ Hardware Gate A20 and Hardware Keyboard Reset
Hardware Monitor Functions
¾ 2 dual current type (±3℃) thermal inputs for CPU thermal diode and 2N3906 transistors
¾ Temperature range -40℃~127℃
¾ 7 sets voltage monitoring (4 external and 3 internal powers)
¾ High limit signal (PME#) for Vcore level
6
May, 2010
V0.28P
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