W83977EG Datasheet, PDF (9/142 Pages) Winbond – WINBOND ISA I/O

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