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OXFW911 데이터시트 PDF




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부품번호 OXFW911 기능
기능 IEEE1394 to ATA/ATAPI Native Bridge
제조업체 ETC
로고 ETC 로고


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OXFW911 데이터시트, 핀배열, 회로
FEATURES
S400 (50 Mbytes/s) compliant 1394-1995 Link and
Transaction layers
Compatible with 1394-1995 and 1394A Phys.
Microsoft Win98-Second Edition, Win2000 and Apple
MacOS generic driver support
SBP-2 Target Revision 4 compliant interface
Fully ATA-5 compliant (see T13-1321D)
Support for UDMA5 (ATA100)
Sustained data transfer of 35 MB/s
Supports PIO modes 0 to 4, DMA modes 0 to 2 and
Ultra DMA modes 0 to 5
ORB co-processor to accelerate translation of ORBs
to ATAPI commands
Supports ORB chaining for increased performance
DESCRIPTION
The OXFW911 is a high-performance 1394 to
ATA/ATAPI (IDE) native bridge with an integrated target
Serial Bus Protocol (SBP-2 ) controller. By supporting
the SBP-2 protocol, the device can use generic SBP-2
drivers available in the Microsoft Windows 98SE, Microsoft
Windows 2000, Microsoft Millennium and Apple MacOS
(8.4 to 9.04) operating systems. MacOS support also
includes booting from Firewire disk.
The device is ideally suited for smart-cable or tailgate
interface applications for removable-media drives, compact
flash card readers, CD-ROM, CD-R, CD-RW, DVD-ROM,
DVD-RAM and hard disk drives, allowing IDE drives to be
connected to a 1394 serial bus in a plug-and-play fashion.
Both ATA and ATAPI devices are supported using the
same firmware.
This highly integrated device offers a two-chip solution to
native bridge applications using an external 1394 PHY. The
device is compatible with both 1394-1995 and 1394A
PHYs.
The LINK controller complies with 1394-1995 and 1394A
specifications. The 1394 transaction layer and SBP-2
protocol is implemented using a combination of the
ARM7TDMI (low-power 32-bit RISC processor), an ORB
(Operational Request Block) hardware co-processor and a
high performance buffer manager.
The buffer manager has a RAM bandwidth of 800Mbps. It
provides storage for 1394 and ATA/ATAPI packets,
OXFW911
IEEE1394 to ATA/ATAPI Native Bridge
Data Sheet
High performance ATA command translation in
firmware using Reduced Block Command (RBC) set
Integrated 32-bit RISC processor (ARM7TDMI) with
on-chip scratch RAM
Optional External Serial ROM interface for
configuration data, user serial number, etc.
Integrated 512kb Flash memory
Blank Flash memory programming feature via 1394
bus
Firmware and Flash Programming Utilities supplied by
Oxford Semiconductor
3.3 Volts operation
Low Power CMOS
Ultra-thin 128-TQFP package (14 x 14 x 1 mm)
automatically storing them and passing them to the
appropriate destinations, without any intervention from the
processor. It also provides storage and manages the
sequencing of ORB fetching to reduce latency and improve
data throughput.
The configuration data including the IEEE OUI
(Organisational Unique Identifier) and device serial number
is stored in the Flash ROM which may be uploaded from
the 1394 bus, even when blank. The device also facilitates
firmware uploads from the 1394 bus.
The ORB co-processor translates ORBs as defined in the
SBP-2 protocol into ATA/ATAPI commands, and
automatically stores error/status messages at an address
specified by the host.
Concurrent operation of the ATA/ATAPI and 1394
interfaces are facilitated using the high throughput buffer
manager where LINK, ATAPI manager and ARM7TDMI
can perform interleaved accesses to the on-chip RAM
buffer. The high performance processor ensures that no
significant latency is incurred. The ATA command
translation is performed in firmware to meet RBC (Reduced
Block Commands) standard, T10-1228D. The ATA/ATAPI
Manager supports PIO modes 0 to 4, DMA modes 0 to 2
and Ultra DMA mode 0 to 5 and provides the interface to
the IDE bus. It is compliant with T13-1321D, ATA-5
specification, as well as support for ATA100.
Oxford Semiconductor Ltd.
25 Milton Park, Abingdon, Oxon, OX14 4SH, UK
Tel: +44 (0)1235 824900 Fax: +44(0)1235 821141
© Oxford Semiconductor 2001
OXFW911 Data Sheet Revision 1.1 – Mar 2001
Part No. OXFW911-TQ-A




OXFW911 pdf, 반도체, 판매, 대치품
OXFORD SEMICONDUCTOR LTD.
2 PIN INFORMATION
OXFW911
IA1
IA0
IA2
ICS0#
ICS1#
LINKON
LPS
PD7
PD6
GND
VDD
PD5
PD4
PD3
PD2
GND
VDD
PD1
PD0
CTL1
CTL0
GND
PHYCLK
VDD
LREQ
NC
CS3#
CS2#
GPO1
GPO2
GPO3
CKOUT
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
OXFW911-TQ-A118
119
120
121
122
123
124
125
126
127
128
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
IRESET
IDE_OE#
INTRQ
INT#
A0
VDD
GPI
UIF
RESET#
GND
A1
A2
A3
A4
A5
A6
VDD
GND
A7
A8
A9
A10
A11
A12
VDD
GND
A13
A14
A15
A16
WE#
CS0#
Data Sheet Rev 1.1
Figure 2: Pinout (package = 128 TQFP)
Page 4

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OXFW911 전자부품, 판매, 대치품
OXFORD SEMICONDUCTOR LTD.
Configuration & Operation
4 OPERATING CONDITIONS
OXFW911
Symbol
VDD
VIN
VIN
IIN
TSTG
Parameter
DC supply voltage
DC input voltage (3.3V IO)
DC input voltage (5V tolerant IO)
DC input current
Storage temperature
Table 2: Absolute maximum ratings
Min
-0.3
-0.3
-0.3
-40
Symbol
VDD
TC
Parameter
DC supply voltage
Temperature
Min
3.15
0
Table 3: Recommended operating conditions
5 DC ELECTRICAL CHARACTERISTICS
5.1 I/O Buffers
Symb ol
VDD
VIH
Parameter
Supply voltage
Input high voltage
VIL Input low voltage
CIL Cap of input buffers
COL Cap of output buffers
IIH Input high leakage current
IIL Input low leakage current
VOH Output high voltage
VOH Output high voltage
VOL Output low voltage
VOL Output low voltage
IOZ 3-state output leakage current
Condition
Commercial
CMOS Interface
CMOS Schmitt trig
CMOS Interface 1
CMOS Schmitt trig
Vin = VDD
Vin = VSS
IOH = -1 µA
IOH = -1mA to –24mA
IOL = 1 µA
IOL = 1mA to 24mA
Min
3.0
2.0
2.0
-10
-10
VDD – 0.05
2.4
-10
Symbol
ICC
Parameter
Condition
Operating supply current in VDD = 3.3V
normal mode
T=25°C
Operating supply current in
Power-down mode
Typical
85
Max
3.8
VDD + 0.3
5.5
+/- 10
125
Units
V
V
V
mA
°C
Max Units
3.6 V
70 °C
Max Units
3.6 V
V
0.8 V
0.8
4.0 pF
4.0 pF
10 µA
10 µA
V
V
0.05 V
0.4 V
10 µA
Max Units
TBD
mA
Table 4: Characteristics of OXFW911 I/O buffers
Data Sheet Rev 1.1
Page 7

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OXFW911

IEEE1394 to ATA/ATAPI Native Bridge

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