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**82489DX Advanced Programmable Interrupt Controller 10/12/92
***Notes:...
***Info:...
***Versions:...
***Features:...
**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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*HMC (Hulon Microelectronics)...
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*OPTi...
**82C556M/7M/8E Viper-N+ Viper Notebook Chipset c:96
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C566/7/8 Viper-Max Chipset Scalable MultiMedia PC Solution ?...
**82C571/572 486/Pentium c:93...
**82C576/7/8 Viper Xpress [no datasheet] ?...
**82C576/8/9 Viper XPress+ [no datasheet, some info] <01/16/97...
**82C596/597 PTMAWB Pentium Adaptive Write-back (Cobra) c:93...
**82C650/1/2 Discovery (Pentium Pro) [no datasheet] ?...
**82C681/2/6/7 386/486WB EISA c:92...
**82C683 386/486AWB EISA [no datasheet] ?...
**82C693/6/7 Pentium uP Write Back Cache EISA c:93...
**82C700 FireStar c:97...
**82C701 FireStar Plus c:97...
**82C750 Vendetta [no datasheet] ?...
**82c801 SCWB2 DX Single Chip Solution c:92...
**82C802 SCWB2 PC/AT Single Chip [no datasheet] ?...
**82C802G/GP System/Power Management Controller (cached) c:93...
**82C895 System/Power Management Controller (cached) c:Sep94...
**82C898 System/Power Management Controller (non-cache)c:Nov94...
**
**Support Chips:
**82C601/2 Buffer Devices <Nov94...
**82C822 PCIB (VLB-to-PCI bridge) c:94...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**85C211/2/5 286 chipset [no datasheet] ?
***Notes:...
**85C310/320/330 'Rabbit' High performance 386DX chipset <91...
**85C360 ISA 386DX Single Chip chipset [no datasheet] ?...
**85C401/402 ISA 486DX/SX Cache chipset [no datasheet] ?...
**85C406/5/411/420/431 EISA 386/486 Chipset [no datasheet] c91...
**85C460 ISA 386DX/486 Single Chip [no datasheet] ?
**85C461 ISA 386DX/486 Single Chip [no datasheet] ?...
**85C471/407 Green PC ISA-VLB 486 Single Chip <94...
**85C496/497 486-VIP 486 Green PC VESA/ISA/PCI Chipset <95...
**85C501/502/503 Pentium/P54C PCI/ISA Chipset <01/09/95...
**5101/5102/5103 Pentium/P54C PCI/ISA Chipset <04/02/95...
**5120 Pentium PCI/ISA Chipset (Mobile) <01/28/97...
**5501/5502/5503 Pentium/P54C PCI/ISA Chipset <04/02/95...
**5511/5512/5513 Pentium PCI/ISA <06/14/95...
**5571 (Trinity) Pentium PCI/ISA Chipset (75MHz) <12/09/96...
**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...
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**PII/III/Pro...
**Athlon etc...
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*TI (Texas Instruments)...
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*Unresearched:...
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*VLSI...
*Western Digital...
**WD76C30x Perip. Ctrl, Interrupt Multiplex, and Clock Gen <11/18/91
***Notes:...
***Info:
GENERAL
The WD76C30/LV device provides three functional groups. It is a Per-
ipheral Controller, Interrupt Multiplexer, and Clock Generator.
The low power CMOS WD76C30/LV is a single device solution which
provides interrupt multiplexing logic, clock generation, two serial
ports, and one bidirectional parallel port.
Interrupt multiplexing logic interfaces the PC/AT interrupt request
lines with the WD76C10 Single Chip AT Controller.
Integrated clock generation circuitry uses the 48 MHz input signal to
generate the 1.8462, 3.072, and 8.0 MHz clocks used internally for the
two serial ports, a 9.6 MHz Signal used for the keyboard controller
and floppy controller, a programmable duty/frequency clock for the
80287 coprocessor, and a 16 MHz clock for driving the WD76C10 Single
Chip AT Controller, and floppy controller.
For low power implementations such as laptops, oscillator disable and
sleep modes are available to power down unused logic.
The bidirectional parallel port is software configurable as either a
PC/AT or a PS/2 compatible port. The parallel port data lines and open
drain printer signals have high current drive capabilities.
Each ACE is programmable as either a WD16C550 or WD16C450 compatible
device. Each WD16C550 configured ACE is capable of buffering up to 16
bytes of data upon reception, relieving the CPU of interrupt
overhead. Buffering of data also allows greater latency time in
interrupt servicing which is vital in a multitasking environment. Each
ACE has a maximum recommended data rate of 512 Kbaud.
WD76C30/LV DIFFERENCES
Both the WD76C30 and WD76C30LV operate with two power supplies. The
WD76C30 logic is powered by a 5.0 volt supply, while the WD76C30LV
logic is powered by a 3.3 volt supply. The parallel and serial port
interfaces are only supported by the WD76C30.
PERIPHERAL CONTROLLER
The peripheral controller is functionally equivalent to the WD16C452/
552. The mode of operation of the serial ports and parallel port is
selectable via the Mode Select Register. Each serial port is
configurable as either a FIFO enhanced ACE (WD16C550 compatible) or a
standard ACE (WD16C450). The parallel port is configurable as either a
PS/2 bidirectional parallel port or a PC/AT compatible parallel port.
A detailed description of the Mode Selection Register is described in
the parallel port section.
***Versions:...
***Features:...
**WD7615 Desktop Buffer Manager <04/15/92...
**WD7625 Desktop Buffer Manager <10/01/92...
**WD8120LV Super I/O [no datasheet] ?
**Other Chips:...
*Winbond...
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