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W83977EF-AW Datasheet(PDF) 9 Page - Winbond |
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W83977EF-AW Datasheet(HTML) 9 Page - Winbond |
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9 / 142 page  W83977EF-AW/W83977EG-AW Publication Release Date: Apr. 2006 -7- Revision 1.2 Infrared Support IrDA version 1.0 SIR protocol with maximum baud rate up to 115.2K bps Support SHARP ASK-IR protocol with maximum baud rate up to 57,600 bps Parallel Port Compatible with IBM parallel port Support PS/2 compatible bi-directional parallel port Support Enhanced Parallel Port (EPP) − Compatible with IEEE 1284 specification Support Extended Capabilities Port (ECP) − Compatible with IEEE 1284 specification Extension FDD mode supports disk drive B; and Extension 2FDD mode supports disk drives A and B through parallel port Enhanced printer port back-drive current protection Keyboard Controller 8042 based with optional F/W from AMIKKEY TM-2, Phoenix MultiKey/42TM or customer code With 2K bytes of programmable ROM, and 256 bytes of RAM Asynchronous Access to Two Data Registers and One status Register Software compatibility with the 8042 and PC87911 microcontrollers Support PS/2 mouse Support port 92 Support both interrupt and polling modes Fast Gate A20 and Hardware Keyboard Reset 8 Bit Timer/ Counter Support binary and BCD arithmetic 6MHz, 8 MHz, 12 MHz, or 16 MHz operating frequency General Purpose I/O Ports 14 programmable general purpose I/O ports; 6 dedicate, 8 optional General purpose I/O ports can serve as simple I/O ports, interrupt steering inputs, watching dog timer output, power LED output, infrared I/O pins, general purpose address decoder, KBC control I/O pins OnNow Funtions Keyboard Wake-Up by programmable keys Mouse Wake-Up by programmable buttons Package 128-pin PQFP |
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Similar Description - W83977EF-AW |
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