W83977F Datasheet, PDF (14/181 Pages) Winbond – PLUG & PLAY 1.0A COMPLIANT

W83977F/ W83977AF
PRELIMINARY
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
• Support IrDA version 1.1 MIR (1.152M bps) and FIR (4M bps) protocol [W83977AF only]
--- Single DMA channel for transmitter or receiver
--- 3rd UART with 32-byte FIFO is supported in both TX/RX transmission [W83977AF only]
--- 8-byte status FIFO is supported to store received frame status (such as overrun CRC error, etc.)
• Support auto-config SIR and FIR [W83977AF only]
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
Advanced Power Management (APM) Controlling
• Power turned on when RTC reaches a preset date and time
• Power turned on when a ring pulse or pulse train is detected on the PHRI, or when a high to low
transition on PWAKIN1, or PWAKIN2 input signals
• Power turned on when PANSW input signal indicates a switch on event
• Power turned off when PANSW input signal indicates a switch off event
• Power turned off when a fail-safe event occurs (power-save mode detected but system is hung up)
• Power turned off when software issues a power off command
Keyboard Controller
• 8042 based with optional F/W from AMIKKEY^TM-2, Phoenix MultiKey/42^TM 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
• 6, 8, 12, or 16 Mhz operating frequency (16 Mhz available only if input clock rate = 14.318 Mhz)
Publication Release Date: March 1998
-3 -
Revision 0.58