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9DBU0731 Datasheet(PDF) 11 Page - Integrated Circuit Systems

Part No. 9DBU0731
Description  slew rate for each output
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Manufacturer  ICST [Integrated Circuit Systems]
Direct Link  http://www.icst.com
Logo ICST - Integrated Circuit Systems

9DBU0731 Datasheet(HTML) 11 Page - Integrated Circuit Systems

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REVISION C 04/22/15
11
7 O/P 1.5V PCIE GEN1-2-3 FAN-OUT BUFFER
9DBU0731 DATASHEET
SMBus Table: Output Enable Register
1
Byte 0
Name
Control Function
Type
0
1
Default
Bit 7
DIF OE5
Output Enable
RW
Low/Low
Enabled
1
Bit 6
DIF OE4
Output Enable
RW
Low/Low
Enabled
1
Bit 5
1
Bit 4
DIF OE3
Output Enable
RW
Low/Low
Enabled
1
Bit 3
DIF OE2
Output Enable
RW
Low/Low
Enabled
1
Bit 2
DIF OE1
Output Enable
RW
Low/Low
Enabled
1
Bit 1
1
Bit 0
DIF OE0
Output Enable
RW
Low/Low
Enabled
1
1. A low on these bits will overide the OE# pin and force the differential output Low/Low
SMBus Table: PLL Operating Mode and Output Amplitude Control Register
Byte 1
Name
Control Function
Type
0
1
Default
Bit 7
0
Bit 6
1
Bit 5
DIF OE6
Output Enable
RW
Low/Low
Enabled
1
Bit 4
0
Bit 3
1
Bit 2
1
Bit 1
AMPLITUDE 1
RW
00 = 0.55V
01= 0.65V
1
Bit 0
AMPLITUDE 0
RW
10 = 0.7V
11 = 0.8V
0
1. A low on the DIF OE bit will overide the OE# pin and force the differential output Low/Low
SMBus Table: DIF Slew Rate Control Register
Byte 2
Name
Control Function
Type
0
1
Default
Bit 7
SLEWRATESEL DIF5
Adjust Slew Rate of DIF5
RW
Slow Setting
Fast Setting
1
Bit 6
SLEWRATESEL DIF4
Adjust Slew Rate of DIF4
RW
Slow Setting
Fast Setting
1
Bit 5
1
Bit 4
SLEWRATESEL DIF3
Adjust Slew Rate of DIF3
RW
Slow Setting
Fast Setting
1
Bit 3
SLEWRATESEL DIF2
Adjust Slew Rate of DIF2
RW
Slow Setting
Fast Setting
1
Bit 2
SLEWRATESEL DIF1
Adjust Slew Rate of DIF1
RW
Slow Setting
Fast Setting
1
Bit 1
1
Bit 0
SLEWRATESEL DIF0
Adjust Slew Rate of DIF0
RW
Slow Setting
Fast Setting
1
Note: See "DIF 0.7V Low-Power HCSL Outputs" table for slew rates.
SMBus Table: DIF Slew Rate Control Register
Byte 3
Name
Control Function
Type
0
1
Default
Bit 7
1
Bit 6
1
Bit 5
0
Bit 4
0
Bit 3
0
Bit 2
1
Bit 1
1
Bit 0
SLEWRATESEL DIF6
Adjust Slew Rate of DIF6
RW
Slow Setting
Fast Setting
1
Note: See "DIF 0.7V Low-Power HCSL Outputs" table for slew rates.
Byte 4 is Reserved and reads back 'hFF
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Controls Output Amplitude
Reserved
Reserved
Reserved


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