w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 11

• Manufacturer Part Number: w83977atg
• Description: W83877tf Plus Kbc, Gp I/o, Wake-up, Fir, Cir, Pb-free
• Manufacturer: Winbond Electronics Corp America

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
•
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
• Enhanced printer port back-drive current protection
Keyboard Controller
• 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
General Purpose I/O Ports
• 23 programmable general purpose I/O ports; 1 dedicate, 22 optional
• General purpose I/O ports can serve as simple I/O ports, interrupt steering inputs, watching dog
--- Single DMA channel for transmitter or receiver
--- 3rd UART with 32-byte FIFO is supported in both TX/RX transmission
--- 8-byte status FIFO is supported to store received frame status (such as overrun CRC error,
B through parallel port
timer output, power LED output, infrared I/O pins, general purpose address decoder, KBC control
I/O pins
Support auto-config SIR and FIR
with 2K bytes of programmable ROM, and 256 bytes of RAM
etc.)
TM
- 3 -
-2, Phoenix MultiKey/42
W83977ATF/W83977ATG
Publication Release Date: May 2006
TM
or customer code
Revision 0.6