W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 11

• Manufacturer Part Number: W83977A
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

Infrared
Parallel Port
Keyboard Controller
General Purpose I/O Ports
OnNow Funtions
Package
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
Support S/W driver for Windows95
Compatible with IBM parallel port
Support PS/2 compatible bi-directional parallel port
Support Enhanced Parallel Port (EPP)
Support Extended Capabilities Port (ECP)
Extension FDD mode supports disk drive B; and Extension 2FDD mode supports disk drives A and B
Enhanced printer port back-drive current protection
8042 based with optional F/W from AMIKKEY
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
23
General purpose I/O ports can serve as simple I/O ports, interrupt steering inputs, watching dog timer
Keyboard wake-up by programmable keys
Mouse wake-up by programmable buttons
128-pin PQFP
with 2K bytes of programmable ROM, and 256 bytes of RAM
through parallel port
output, power LED output, infrared I/O pins, general purpose address decoder, KBC control I/O pins
programmable general purpose I/O ports;
TM
Compatible with IEEE 1284 specification
and Windows98
Compatible with IEEE 1284 specification
TM
3
dedicate,
-3 -
-2, Phoenix MultiKey/42
20
TM
optional
(Memphis
Publication Release Date: April 1998
TM
TM
or customer code
)
W83977TF
PRELIMINARY
Revision 0.62