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**82395SX Smart Cache 12/17/90
***Notes:...
**82396SX Smart Cache 12/17/90...
**82485 Turbo Cache (and 485Turbocache) c90...
**82489DX Advanced Programmable Interrupt Controller 10/12/92...
**82495DX/490DX DX CPU-Cache Chip Set <Sep91...
**82495XP/490XP Cache Controller / Cache RAM (for i860) 06/05/91...
**82496/491 Cache Controller / Cache RAM (for P5 Pentium) 03/22/93...
**82497/492 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**82498/493 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**
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*Winbond...
**W83777F/87F Power I/O (Multi I/O) <95
***Info:
GENERAL DESCRIPTION
The W83777F/W83787F integrates a disk drive adapter, serial port
(UART), parallel port, IDE bus interface, and game port decoder onto a
single I/O chip. The W83777F/W83787F is an enhanced version of the
W83767F Power l/O chip. The enhanced functions include one 2.88MB
floppy disk controller (W83777F only), two 16550 compatible UARTs, and
one parallel port with EPP mode, ECP mode, and joystick mode.
The disk drive adapter functions of the W83777F/W83787F include a
floppy disk drive controller compatible with the industry standard
82077/765, data separator, write pre-compensation circuit, decode
logic, data rate selection, clock generator, drive interface control
logic, and interrupt and DMA logic. The wide range of functions
integrated onto the W83777F/W83787F greatly reduces the number of
components required for interfacing with floppy disk drives. The
W83777F/W83787F supports four 360K, 720K, 1.2M, 1.44M, or 2.88M
(W83777F only) disk drives and data transfer rates of 250KB/S,
300KB/S, 500KB/S, and 1MB/S (W83777F only).
There are two high-speed serial communication ports (UARTs) on the
W83777F/W83787F. The UARTs include 16-byte send/receive FIFOs, a
programmable baud rate generator, complete modem control capability,
and a processor interrupt system.
The W83777F/W83787F supports three optional PC-compatible printer
ports: 378b, 278h and BBCh. Additional bi-directional l/O capability
is available by hardware control or software programming. The parallel
port also supports the Enhanced Parallel Port (EPP) and Extended
Capabilities Port (ECP). The W83777F/W83787F supports two embedded
hard disk drive (AT bus) interfaces and a game port with decoded
read/write output.
The W83777F/W83787F's Extension FDD Mode and Extension 2FDD Mode allow
one or two external floppy disk drives to be connected to the computer
through the printer interface pins in notebook computer applications.
The Extension Adapter Mode of the W83777F/W83787F allows pocket
devices to be installed through the printer interface pins in notebook
computer applications according to a protocol set by Winbond, but with
upgraded performance.
The JOYSTICK mode allows a joystick to be connected to a parallel port
with a signal switching cable.
The configuration register supports address selection, mode selection,
function enable/disable, and power down function selection.
***Versions:...
***Features:...
**W83877F WINBOND I/O (Multi I/O) <96...
**W83877TF/TG/TD WINBOND I/O (Multi I/O) c97...
**W83977F/G/AF/AG WINBOND I/O (Multi I/O) c97...
**W83977TF WINBOND I/O (Multi I/O) c97...
**W83977EF WINBOND I/O (Multi I/O) <98...
**W83977ATF WINBOND I/O (Multi I/O) <98...
**
**Disk Controller:
**W83759/A/F/AF Advanced VL-IDE Disk Controller <96...
**W83769 Local Bus IDE Solution <94
***Info:
GENERAL DESCRIPTION
The W83769 is a high-performance, low-cost, highly integrated logic
design for IDE hard disk applications in PCI (Peripheral Component
Interconnect) local bus systems. It provides a bridge between a
standard IDE drive and the PCI local bus. The W83769 is fully
compatible with the ANSI ATA 3.0 specifications for IDE hard disk
operation and the PCI SIG revision 2.0 specifications for the PCI
local bus protocol. Packaged in a 100-pin PQFP, the W83769 directly
supports the 32-bit PCI bus without requiring any external TTLs.
The W83769 operates at up to 50 MHz and provides a full 32-bit data
path to the PCI bus. Doubleword read and write operations are provided
via internal control and conversion logic. Write posting and
read-ahead allows CPU memory cycles to run concurrently with IDE
cycles and improves the hard disk buffer-to-host transfer rate.
The IDE drive interface timing of the W83769 is completely software
programmable, including command active/recovery timing and address
setup-hold timing for each drive. The device supports Fast
ATA/Enhanced IDE mode 3 timing and IORDY monitoring for better
performance. The W83769 directly supports four IDE drives with
170/1F0 dual IDE connectors. The IO base addresses of the
primary/secondary IDE connector are exchangeable by power-on strap
option.
***Versions:...
***Features:...
**
**UARTS:
**W86C250A UART (equivalent of INS8C250A) [no datasheet]
**W86C450/P Universal Asynchronous Receiver/Transmitter <Jul89...
**W86C451 I/O controller for IBM PC/AT/XT <Jul89...
**W86C452 I/O controller for IBM PC/AT Jul89...
**W86C456 I/O controller [no datasheet] ?
**W860551/P UART with FIFO and Printer Port Controller <94...
**
**Other:...
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