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PC87410VLK Datasheet

  • PC87410VLK

  • PC87410 PCI-IDE Interface Controller

  • 16頁

  • NSC

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PC87410 PCI-IDE Interface Controller
October 1994
PC87410 PCI-IDE Interface Controller
General Description
The PCI-IDE Interface Controller is designed to interface the
IDE drive directly onto the PCI bus It provides write posting
and read pre-fetches allowing the CPU to run concurrently
with IDE cycles It connects IDE drIves 鈥樷€榞luelessly鈥欌€?into the
PCI bus and supports faster ATA devices using modes 1 2
and 3 through PIO accesses It supports dual IDE channels
for up to four drives and works seamlessly with the National
Semiconductor鈥檚 SuperI O
TM
family of products
A full suite of software drives included with device are fully
tested with DOS 5 0鈥? x Windows 3 x鈥? x Windows NT
OS 2 2 x Novell Netware 3 1x鈥? x and SCO UNIX 3 x
Y
Y
Y
Y
Y
Y
Y
Key Features
Y
Y
Y
Y
Fully compatible with PCI specifications rev 2 0 (April
1993)
Programmable Base Address registers
Interfaces with the 32 bits PCI local bus to IDE drives
Support IDE PIO timing mode 0 1 2 of ANSI ATA
specifications
Y
Y
Y
Support Mode 3 (11 MB s) timing proposal on en-
hanced IDE (IDE-2 or ATA-2) specifications
Two IDE-2 channel supported (each channel supports 2
devices)
Supports primary IDE or secondary IDE address
16-Byte FIFO provide 4-level Posted Write and Read
ahead buffers per channel for concurrent system
operation
Programmable command and recovery timing for reads
and writes per channel
Independent timings for command registers and data
registers
Slew rate controlled output directly interface with IDE
devices
Supports either IRQ14 15 or INTA B
Hardware and Software chip enable disable capability
100 pin PQFP package NO other glue logic needed
and 12 mA transceivers are built in
Block Diagram
TL F 12073 鈥?1
TRI-STATE is a registered trademark of National Semiconductor Corporation
SuperI O
TM
is a trademark of National Semiconductor Corporation
C
1995 National Semiconductor Corporation
TL F 12073
RRD-B30M75 Printed in U S A

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