ICS954206BFLFT IDT, Integrated Device Technology Inc, ICS954206BFLFT Datasheet - Page 15

• Manufacturer Part Number: ICS954206BFLFT
• Description: IC TIMING CTRL HUB P4 56-SSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Timing Control Hubr

Specifications of ICS954206BFLFT

• Input: Crystal
• Output: Clock
• Frequency - Max: 400MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 56-SSOP
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 954206BFLFT

0940—06/23/05
I
I
I
I
2
2
2
2
C Table: VCO Frequency Control Register
C Table: Spread Spectrum Control Register
C Table: Spread Spectrum Control Register
C Table: Output Divider Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 12
Byte 13
Byte 14
Byte 15
Integrated
Circuit
Systems, Inc.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
Pin #
PCIEX Div3
PCIEX Div2
PCIEX Div1
PCIEX Div0
Reserved
CPU Div3
CPU Div2
CPU Div1
CPU Div0
N Div7
N Div6
N Div5
N Div4
N Div3
N Div2
N Div1
N Div0
SSP14
SSP13
SSP12
SSP11
SSP10
Name
Name
Name
Name
SSP7
SSP6
SSP5
SSP4
SSP3
SSP2
SSP1
SSP0
SSP9
SSP8
N Divider Programming
Programming b(14:8)
Programming b(7:0)
PCIEX Divider Ratio
Programming Bits
Spread Spectrum
Spread Spectrum
Programming Bits
CPUDivider Ratio
Function
Function
Function
Reserved
Function
Control
Control
Control
Control
b(8:0)
15
Type
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
Divier in Byte 11 and 12 will configure the
0011:/15 0111:/30 1011:/60 1111:/120
0011:/15 0111:/30 1011:/60 1111:/120
0000:/2
0001:/3
0010:/5
0000:/2
0001:/3
0010:/5
These Spread Spectrum bits in Byte 13
These Spread Spectrum bits in Byte 13
The decimal representation of M and N
VCO frequency. Default at power up =
pecentage. It is recommended to use
pecentage. It is recommended to use
Frequency = 14.318 x [NDiv(9:0)+8] /
latch-in or Byte 0 Rom table. VCO
and 14 will program the spread
ICS Spread % table for spread
and 14 will program the spread
ICS Spread % table for spread
0
0
0
0
-
Advance Information
0110:/10 1010:/20 1110:/40
0110:/10 1010:/20 1110:/40
0100:/4
0101:/6
0100:/4
0101:/6
[MDiv(5:0)+2]
programming.
programming.
1001:/12 1101:/24
1001:/12 1101:/24
1000:/8
1000:/8
ICS954206B
1
1
1
1
-
1100:/16
1100:/16
PWD
PWD
PWD
PWD
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X