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PDF FAS366U Data sheet ( Hoja de datos )
| Número de pieza | FAS366U | |
| Descripción | Fast Architecture SCSI Precossor | |
| Fabricantes | QLogic | |
| Logotipo |  |
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U.com QLogic Corporation
.DataSFhaeestt4 ArchiteFcAtuSr3e6S6CUSI ProcessorData Sheet
wwwFeatures
mH Compliance with ANSI draft Fast–20 standard
oH Compliance with ANSI X3T10/855D SCSI–3
parallel interface (SPI) standard
.cH Compliance with ANSI SCSI configured
automatically (SCAM) protocol levels 1 and 2
H Sustained SCSI data transfer rates of up to:
Uh 40 Mbytes/sec synchronous (ultra and wide
t4SCSI)
h 14 Mbytes/sec asynchronous (wide SCSI)
eH Synchronous DMA timing; DMA speed of
50 Mbytes/sec
eH REQ and ACK programmable assertion and
deassertion control
H Support for hot plugging
H Target and initiator block transfer sequences
H Bus idle timer
H Split–bus architecture
H Pipelined command structure
H On–chip, single–ended SCSI transceivers
(48–mA drivers)
H Initiator and target roles
H Active negation
H 16–bit recommand counter
H Differential mode
H SCSI bus reset watchdog timer
taShDBBUS
www.Da Sheet4U.comPADBUS
www.Data53366–580–01 B
FIFO
COMMAND
RECOMMAND
COUNTER
TRANSFER
COUNT
SEL/RESEL
BUS ID
SEL/RESEL
TIMEOUT
SYNC PERIOD
SYNC OFFSET/
SYNC ASSERT/
SYNC DEASSERT
CLOCK
CONVERSION
CONFIGURATION
TEST (SCAM)
SEQUENCERS
BLOCK
REGISTERS
TRANSFER
COUNTER
INTERRUPT
STATUS
SEQUENCE
STEP
Figure 1. FAS366U Block Diagram
SCSI
DATA
PARITY (2)
DATA (16)
SCSI
CONTROL
FAS366U
1
1 page  
QLogic Corporation
Interfaces
The FAS366U interfaces consist of the microprocessor bus and the SCSI bus. Pins that support these interfaces
and other chip operations are shown in figure 4.
MICROPROCESSOR
INTERFACE
DMA AND
MICROPROCESSOR
INTERFACE
RESET
CLOCK
POWER
AND GROUND
A3–0
CS
INT
PAD7–0
PADP
PAUSE
RD
WR
DACK
DB15–0
DBP1–0
DBRD
DBWR
DREQ
RESETI
RESETO
CLK
VDD
VSS
FAS366U
42–45
58
13
3
92–97, 99, 100
62
61
33
91 31
10 56
14 32
15 57
SEE NOTE
9
SEE NOTE
75, 63
55
127, 117
4 11
5 47
8 39
20
38
2 SEE NOTE
1 86, 48
36
19
88
SEE NOTE
SEE NOTE
41, 40
SEE NOTE
ACK
ATN
BSY
CD
IO
MSG
REQ
RST
SD15–0
SDP1–0
SEL
DIFFM
DIFFSENS
EBSY
EIGS
ERST
ESD15–0
ESDP1–0
ESEL
ETGS
MODE1–0
NOTE:
DB15–0 = 126–122, 120–118, 116, 115, 113–108
ESD15–0 = 101–104, 21–24, 49–52, 82–85
NO CONNECT = 16, 37, 53, 60, 67, 90, 105
SD15–0 = 76, 78–80, 26–28, 30, 64, 65, 68–70, 72–74
VDD = 7, 12, 17, 35, 87, 106
VSS = 6, 18, 25, 29, 34, 46, 54, 59, 66, 71, 77, 81, 89, 98, 107, 114, 121, 128
Figure 4. FAS366U Functional Signal Grouping
SCSI
INTERFACE
DIFFERENTIAL
MODE SUPPORT
BUS CONFIGURATION
NO CONNECT
53366–580–01 B
FAS366U
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet FAS366U.PDF ] | |
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