ICS9EPRS475CGLFT IDT, Integrated Device Technology Inc, ICS9EPRS475CGLFT Datasheet - Page 11

• 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
15
16
17
18
19
SMBus Table:Test Mode Register
SMBus Table: CPU PLL Frequency Control Register
SMBus Table: CPU PLL Frequency Control Register
SMBus Table: CPU PLL Spread Spectrum Control Register
SMBus Table: Reserved
SB_SRC_Ssel
SB_SRC_Ssel
Test_Md_Sel
ATIG_Ssel
SRC_Ssel
N Div10
Name
Name
Name
Name
Name
N Div2
N Div1
M Div5
M Div4
M Div3
M Div2
M Div1
M Div0
N Div9
N Div8
N Div7
N Div6
N Div5
N Div4
N Div3
TM
based Systems
SB_SRC PLL Source Selection (MSB)
SB_SRC PLL Source Selection (LSB)
TM
based Systems
ATIGCLK PLL Source Selection
N Divider Programming b(10:3)
M Divider Programming bits
SRC PLL Source Selection
Control Function
Control Function
Control Function
Control Function
Control Function
N Divider Prog bit 2
N Divider Prog bit 1
Selects Test Mode
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
11
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
Byte 16 and 17 will configure the VCO frequency.
Byte 16 and 17 will configure the VCO frequency.
The decimal representation of M and N Divider in
Default at power up = Byte 0 Rom table. See M/N
The decimal representation of M and N Divider in
Default at power up = Byte 0 Rom table. See M/N
Caculation Tables for VCO frequency formulas.
Caculation Tables for VCO frequency formulas.
00 - SRC PLL
Normal mode
SRC PLL
SRC PLL
10 - N/A
0
0
0
0
0
All ouputs are REF/N
11 - CPU PLL
01 - FIX PLL
FIX PLL
FIX PLL
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
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0