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PDF ISP1040C Data sheet ( Hoja de datos )
| Número de pieza | ISP1040C | |
| Descripción | Intelligent SCSI Processor | |
| Fabricantes | QLogic Corporation | |
| Logotipo |  |
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QLogic Corporation
ISP1040C Intelligent SCSI Processor
Data Sheet
Features
s PCI Local Bus Specification revision 2.1 compliant
s Compliance with ANSI SCSI standard
X3.131-1994
s Compliance with ANSI X3T10/855D SCSI-3
parallel interface (SPI) standard
s Compliance with ANSI X3T10/1071D Fast-20
standard
s Compliance with PCI Bus Power Management
Interface Specification Revision 1.0 (PC97)
s Onboard RISC processor to execute operations at
the I/O control block level from the host memory
s Supports fast, wide, and Ultra (Fast-20) SCSI data
transfer rates
s SCSI initiator and target modes of operation
s 32-bit, intelligent bus master, DMA PCI bus
interface
s Supports PCI dual-address cycle (64-bit
addressing)
s SCSI operations executed from start to finish
without host intervention
s Simultaneous, multiple logical threads
s JTAG boundary scan support
Product Description
The ISP1040C is a single-chip, highly integrated, bus
master, SCSI I/O processor for use in SCSI initiator-type
applications. The device interfaces the PCI bus to a wide,
Ultra SCSI bus and contains an onboard RISC processor.
The ISP1040C is a fully autonomous device, capable of
managing multiple I/O operations and associated data
transfers from initiation to completion without host CPU
intervention. The ISP1040C provides power management
feature support in accordance with the PCI Bus Power
Management Specification while retaining full pin
compatibility with the QLogic ISP1040B. The ISP1040C
block diagram is illustrated in figure 1.
HOST MEMORY
HOST SOFTWARE
DRIVER
IOCBS
REQUEST
QUEUE
RESPONSE
QUEUE
32-BIT
PCI
BUS
PCI INTERFACE
128 BYTE
DATA FIFO
64 BYTE
COMMAND FIFO
DMA
CONTROL
MAILBOX
REGISTERS
CTRL/CONFIG
REGISTERS
ISP1040C
DMA BUS
I/O BUS
RISC
REGISTER
FILE
BOOT
CODE
ALU
MEMORY
INTERFACE
SXP SCSI ENGINE
FIFO
WCS
COMMAND
BUFFER
MESSAGE
BUFFER
SXP CODE
SEQUENCERS
CONTROL
REGISTERS
8/16-BIT
PARALLEL
SCSI BUS
83140-580-02 B
www.DataSheet4U.net
NVRAM
FLASH
BIOS
ADDRESS 16
DATA 16
EXTERNAL
CODE/DATA
MEMORY
Figure 1. ISP1040C Block Diagram
ISP1040C
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet ISP1040C.PDF ] | |
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