w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 7

• Manufacturer Part Number: w83877atd
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

Infrared:
Parallel Port:
Others:
Package:
Maximum baud rate up to 921k bps for 14.768M Hz and 1.5M bps for 24M Hz
Extension FDD mode supports disk drive B and Extension 2FDD mode supports disk drives A and B
Internal diagnostic capabilities:
Programmable baud generator allows division of 1.8461 M Hz and 24 MHz by 1 to (2
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
Support auto-config SIR and FIR
Support full Customer IR
Support driver for
Compatible with IBM
Support PS/2 compatible bi-directional parallel port
Support Enhanced Parallel Port (EPP)
Support Extended Capabilities Port (ECP)
through parallel port
Enhanced printer port back-drive current protection
Programmable configuration settings
Immediate or automatic power-down mode for power management
All hardware power-on settings have internal pull-up or pull-down resistors as default value
Full 16-bit address decode (UART B pin option)
100-pin QFP (W83877ATF), and also 100-pin TQFP (W83877ATD)
PNF pin (Printer-Not-Floppy pin) for distinguishing printer port connection --- FDD or Printer; unique
for notebook application of external floppy through printer port
Loop-back controls for communications link fault isolation
Break, parity, overrun, framing error simulation
Single DMA channel for transmitter or receiver
32-byte FIFO is supported in both FIR TX/RX transmission
8-byte status FIFO is supported to store received frame status (such as overrun, CRC error, etc.)
Microsoft
TM
parallel port
TM
Windows 95
Compatible with IEEE 1284 specification
Compatible with IEEE 1284 specification
TM
and Windows 98
- 3 -
Publication Release Date: April 1998
TM
(Memphis
W83877ATF
TM
)
16
-1)
Version 0.51