
W83877ATF
Publication Release Date: April 1998
- 3 -
Version 0.51
Internal diagnostic capabilities:
Loop-back controls for communications link fault isolation
Break, parity, overrun, framing error simulation
Programmable baud generator allows division of 1.8461 M Hz and 24 MHz by 1 to (2
16
-1)
Maximum baud rate up to 921k bps for 14.768M Hz and 1.5M bps for 24M Hz
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
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.)
Support auto-config SIR and FIR
Support full Customer IR
Support driver for
Microsoft
TM
Windows 95
TM
and Windows
98
TM
(Memphis
TM
)
Parallel Port:
Compatible with IBM
TM
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
Others:
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)
PNF pin (Printer-Not-Floppy pin) for distinguishing printer port connection --- FDD or Printer; unique
for notebook application of external floppy through printer port
Package:
100-pin QFP (W83877ATF), and also 100-pin TQFP (W83877ATD)