W83977G Winbond Electronics Corp America, W83977G Datasheet - Page 11

• Manufacturer Part Number: W83977G
• Description: W83877TF plus KBC, CIR, RTC, Pb-free
• Manufacturer: Winbond Electronics Corp America

Infrared
etc.)
Parallel Port
Advanced Power Management (APM) Controlling
Keyboard Controller
--- Single DMA channel for transmitter or receiver
--- 3rd UART with 32-byte FIFO is supported in both TX/RX transmission [W83977AF/AG only]
--- 8-byte status FIFO is supported to store received frame status (such as overrun CRC error,
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/AG only]
Support auto-config SIR and FIR [W83977AF/AG only]
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
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
8042 based with optional F/W from AMIKKEY
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)
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
-3 -
TM
-2, Phoenix MultiKey/42
Publication Release Date: May 2006
TM
or customer code
Revision 0.60