95MS18 Datasheet: NM95MS18





95MS18 NM95MS18 Datasheet

Part Number 95MS18
Description NM95MS18
Manufacture Fairchild Semiconductor
Total Page 12 Pages
PDF Download Download 95MS18 Datasheet PDF

Features: NM95MS18 Plug 'n' Play Front End Device for ISA-Bus Systems July 1998 NM95MS1 8 Plug & Play Front-end device for ISA- Bus Systems (Supports Windows®-NT, UNI X® and legacy systems) General Descri ption The NM95MS18 is an industry stand ard ISA Plug-n-Play controller that als o supports Non-Plug-n-Play platforms li ke DOS, WIN3.1x, Windows-NT and Unix. I n additon to being completely compliant to ISA PnP Specification (Ver 1.0a), N M95MS18 integrates a total of 4Kbit of onchip EEPROM for both PnP Resource dat a as well as non-PnP configuration data to provide a true single chip solution . NM95MS18 supports one logical device offering a flexible choice of DMA, Inte rrupt and I/O address decoding features within a single chip. NM95MS18 is impl emented using Fairchild’s Advanced CM OS process and operates on a single pow er supply. Features s Fully compliant w ith industry standard ISA PnP specifica tion (Ver. 1.0a) s Supports Non-PnP pl atforms like WINDOWS-NT, UNIX, DOS/WIN3.1x — No configuration utili.

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July 1998
NM95MS18
Plug & Play Front-end device for ISA-Bus Systems
(Supports Windows®-NT, UNIX® and legacy systems)
General Description
The NM95MS18 is an industry standard ISA Plug-n-Play control-
ler that also supports Non-Plug-n-Play platforms like DOS,
WIN3.1x, Windows-NT and Unix.
In additon to being completely compliant to ISA PnP Specification
(Ver 1.0a), NM95MS18 integrates a total of 4Kbit of onchip
EEPROM for both PnP Resource data as well as non-PnP
configuration data to provide a true single chip solution.
NM95MS18 supports one logical device offering a flexible choice
of DMA, Interrupt and I/O address decoding features within a
single chip. NM95MS18 is implemented using Fairchild’s Ad-
vanced CMOS process and operates on a single power supply.
Features
s Fully compliant with industry standard ISA PnP specification
(Ver. 1.0a)
s Supports Non-PnP platforms like WINDOWS-NT, UNIX,
DOS/WIN3.1x
— No configuration utilities needed
s Supports Non-PnP "legacy" mode
— Can be programmed to power-up in 31 settings
s On-chip "Write-Protected" EEPROM for:
— PnP Resource data (2Kbits)
— 31 Power-on "legacy" configurations (2Kbits)
s Two modes of operation:
— DMA Mode
— Extended Interrupt Mode (supports PC-97 requirements)
s Configurable Interrupt types:
— TTL O/P
— Open Drain O/P
s Supports Wire-AND I/O chipselects
s Fully compatible with NM95MS16
s Available in 52-Pin PLCC Package
Block Diagram
ISA BUS
RSTDRV
From Switches
NPNP
SW[0:4]
Input Sense
Logic
Test Mode
Logic
SA[0:11]
IORD
IOWR
AEN
OSC
PnP Cycle
Detection
Logic
IRQOUT[0:7]
SD[0:7]
ISADRQ[0:1]
ISADACK[0:1]
SA[0:15]
IORD
IOWR
AEN
Data
Buffer
State
Machine
Registers
EEPROM
Controller
I/F
IRQ IRQIN[0:1]
Switch Logic
DMA
Switch
Logic
DRQIN
DACKOUT
ADDRESS
DECODER
IOCS[0:2]
DS500033-1
© 1998 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com

                    
              






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