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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...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**5571           (Trinity) Pentium PCI/ISA Chipset (75MHz)   <12/09/96
***Info:...
***Configurations:...
***Features:...
**5581/5582      (Jessie)  Pentium PCI/ISA Chipset (75MHz)   <04/15/97...
**5591/5592/5595 (David)   Pentium PCI A.G.P. Chipset        <01/09/98...
**5596/5513      (Genesis) Pentium PCI Chipset               <03/26/96...
**5597/5598      (Jedi)    Pentium PCI/ISA Chipset           <04/15/97...
**530/5595       (Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.<11/10/98...
**540            (Spartan) Super7 2D/3D Ultra-AGP Single C.S.<11/30/99...
**55x            SoC (System-on-chip)                        <03/14/02...
**
**Support chips:
**85C206     Integrated Peripheral Controller [no datasheet]         ?...
**5595       Pentium PCI System I/O                          <12/24/97...
**950        LPC I/O                                         <07/16/99...
**Other:...
**PII/III/Pro...
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*TI (Texas Instruments)...
**TACT82411   Snake  Single-Chip AT Controller                     c90
***Notes:...
***Info:...
***Configurations:...
***Features:...
**TACT82S411  Snake+ Single-Chip AT Controller [no datasheet]      c91...
**TACT83000   AT 'Tiger' Chip Set (386)                            c89...
**TACT84500   AT Chip Set (486, EISA) [no datasheet, some info]    c91...
**Other:...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
**W83977TF        WINBOND I/O (Multi I/O)                          c97
***Info:...
***Versions:...
***Features:...
**W83977EF        WINBOND I/O (Multi I/O)                          <98...
**W83977ATF       WINBOND I/O (Multi I/O)                          <98
***Info:
GENERAL DESCRIPTION

The W83977ATF is  an evolving product from Winbond's  most popular I/O
chip W83877F --- which integrates  the disk drive adapter, serial port
(UART),  IrDA  1.0  SIR,  parallel  port,  configurable  plug-and-play
registers for  the whole chip  --- plus additional  powerful features:
ACPI,  8042 keyboard controller  with PS/2  mouse support,  23 general
purpose  I/O  ports,  full  16-bit address  decoding,  OnNow  keyboard
wake-up, OnNow mouse wake-up, and  OnNow CIR wake-up. In addition, the
W83977ATF provides IR  functions: IrDA 1.1 (MIR for  1.152M bps or FIR
for  4M bps)  and TV  remote IR  (Consumer IR,  supporting  NEC, RC-5,
extended RC-5, and RECS-80 protocols).

The disk  drive adapter functions  of W83977ATF 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 W83977ATF  greatly reduces the  number of components  required for
interfacing with floppy disk drives. The W83977ATF supports four 360K,
720K, 1.2M, 1.44M, or 2.88M disk drives and data transfer rates of 250
Kb/s, 300 Kb/s, 500 Kb/s,1 Mb/s, and 2 Mb/s.

The  W83977ATF  provides  two  high-speed serial  communication  ports
(UARTs),  one of  which supports  serial Infrared  communication. Each
UART includes  a 16-byte send/receive  FIFO, a programmable  baud rate
generator,  complete   modem  control  capability,   and  a  processor
interrupt system. Both UARTs provide legacy speed with baud rate up to
115.2k bps and  also advanced speed with baud rates  of 230k, 460k, or
921k  bps which support  higher speed  modems. The  W83977ATF provides
independent 3rd UART(32-byte FIFO) dedicated for the IR function.

The   W83977ATF  supports  one   PC-compatible  printer   port  (SPP),
Bi-directional  Printer port  (BPP)  and also  Enhanced Parallel  Port
(EPP) and  Extended Capabilities Port (ECP). Through  the printer port
interface pins,  also available are: Extension FDD  Mode and Extension
2FDD  Mode allowing  one  or two  external  floppy disk  drives to  be
connected.

The   configuration  registers   support   mode  selection,   function
enable/disable,  and power down  function selection.  Furthermore, the
configurable  PnP  features  are  compatible  with  the  plug-and-play
feature demand of Windows 95TM, which makes system resource allocation
more efficient than ever.

The  W83977ATF  provides functions  that  comply  with ACPI  (Advanced
Configuration and  Power Interface), which includes  support of legacy
and  ACPI power  management  through  SMI or  SCI  function pins.  The
W83977ATF also has auto power management to reduce power consumption.

The keyboard  controller is based  on 8042 compatible  instruction set
with a 2K Byte programmable ROM and a 256-Byte RAM bank. Keyboard BIOS
firmware is available with  optional AMIKEY-2, Phoenix MultiKey/42, or
customer code.

The W83977ATF provides a set  of flexible I/O control functions to the
system designer through a set of General Purpose I/O ports. These GPIO
ports may  serve as  simple I/O or  may be individually  configured to
provide a predefined alternate function.

The W83977ATF  is made  to fully comply  with Microsoft  PC97 Hardware
Design  Guide. IRQs,  DMAs, and  I/O  space resource  are flexible  to
adjust to  meet ISA  PnP requirement. Moreover,  W83977ATF is  made to
meet the specification of  PC97's requirement in the power management:
ACPI and DPM (Device Power Management).

Another  benifit is  that W83977ATF  has  the same  pin assignment  as
W83977AF, W83977F, W83977TF. This makes the design very flexible.
***Versions:...
***Features:...
**
**Disk Controller:
**W83759/A/F/AF   Advanced VL-IDE Disk Controller                  <96...
**W83769          Local Bus IDE Solution                           <94...
**
**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:...
*ZyMOS...
*General Sources:...

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