The PC87312VF is an advanced integrated peripheral product from Texas Instruments, a renowned global semiconductor company that designs and manufactures analog ICs and embedded processors.

• Function: integrate the functions of a floppy disk controller, dual serial ports, a parallel port, and an IDE (Integrated Drive Electronics) interface into a single chip
• Floppy Disk Controller Support: supports both 2.88 MB and 1.44 MB 3.5" disk drives as well as 1.2 MB 5.25" disk drives/ fully compatible with IBM PC/AT and PS/2 systems
• Serial Ports Support: RS-232, RS-485, and RS-422 protocols
• Serial Ports Speed: capable of operating at speeds of up to 115.2 kbps
• Parallel Port Support: SPP, EPP, and ECP modes
• IDE Interface Support: both PIO (Programmed Input/Output) and DMA (Direct Memory Access) modes
• Power Management: power management function that can significantly reduce power consumption in low-power modes
• Package: available in a 100-pin VQFP (Very thin Quad Flat Pack) package