ICS9EPRS475CGLFT IDT, Integrated Device Technology Inc, ICS9EPRS475CGLFT Datasheet - Page 12

• Manufacturer Part Number: ICS9EPRS475CGLFT
• Description: IC EMBEDDED PC MAIN CLK 56TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of ICS9EPRS475CGLFT

• Input: *
• Output: *
• Frequency - Max: *
• Voltage - Supply: *
• Operating Temperature: *
• Mounting Type: Surface Mount
• Package / Case: 56-TSSOP
• Frequency-max: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IDT
Byte
Byte
Byte
Byte
Byte
9EPRS475
System Clock for Embedded AMD
®
System Clock for Embedded AMD
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
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
20
21
22
23
24
SMBUS Table: SRC spread enable
SMBUS Table: Reserved
SMBUS Table: Reserved
SMBUS Table: SRC Spread Spectrum Control Register
SMBUS Table: SRC Spread Spectrum Control Register
SRC_PLL_SS_Enable
SB_SRCDiv3
SB_SRCDiv2
SB_SRCDiv1
SB_SRCDiv0
ATIGDiv3
ATIGDiv2
ATIGDiv1
ATIGDiv0
Name
Name
Name
Name
Name
SSP15
SSP14
SSP13
SSP12
SSP11
SSP10
SSP7
SSP6
SSP5
SSP4
SSP3
SSP2
SSP1
SSP0
SSP9
SSP8
TM
based Systems
TM
ATIG Divider Ratio Programming Bits
SB_SRC Divider Ratio Programming
based Systems
Spread Spectrum Enable (SRC,
Spread Spectrum Programming
Spread Spectrum Programming
Bits from SRC Fixed / PLL
Control Function
Control Function
Control Function
Control Function
Control Function
SB_SRC, ATIG)
bit(15:8)
bit(7:0)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
12
Type
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
These bits set the SRC, the ATIG and SB_SRC
These bits set the SRC, the ATIG and SB_SRC
spread pecentages.Please contact ICS for the
spread pecentages.Please contact ICS for the
0010:/5 ; 0110:/10
0011:/7 ; 0111:/14
0000:/2 ; 0100:/4
0000:/2 ; 0100:/4
0001:/3 ; 0101:/6
N/A ; 0110:/10
N/A ; 0111:/14
N/A ; 0101:/6
Spread Off
0
0
0
0
0
appropriate values.
appropriate values.
1001:/12 ; 1101:/24
1010:/20 ; 1110:/40
1011:/28 ; 1111:/56
1001:/12 ; 1101:/24
1010:/20 ; 1110:/40
1011:/28 ; 1111:/56
1000:/8 ; 1100:/16
1000:/8 ; 1100:/16
Spread On
1
1
1
1
1
Default
Default
Default
Default
Default
1615B—04/26/10
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0