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ICS9UMS9610 Datasheet(PDF) 13 Page - Integrated Device Technology

Part # ICS9UMS9610
Description  PC MAIN CLOCK
PDF  20 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

ICS9UMS9610 Datasheet(HTML) 13 Page - Integrated Device Technology

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IDTTM/ICSTM PC MAIN CLOCK
1336—06/01/09
ICS9UMS9610
PC MAIN CLOCK
13
Byte
8
LCD100 PLL M/N Register
Bit(s)
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
LCD100 N Div8
N Divider Prog bit 8
RW
X
Bit 6
LCD100 N Div9
N Divider Prog bit 9
RW
X
Bit 5
LCD100 M Div5
RW
X
Bit 4
LCD100 M Div4
RW
X
Bit 3
LCD100 M Div3
RW
X
Bit 2
LCD100 M Div2
RW
X
Bit 1
LCD100 M Div1
RW
X
Bit 0
LCD100 M Div0
RW
X
Byte
9
LCD100 PLL M/N Register
Bit(s)
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
LCD100 N Div7
RW
X
Bit 6
LCD100 N Div6
RW
X
Bit 5
LCD100 N Div5
RW
X
Bit 4
LCD100 N Div4
RW
X
Bit 3
LCD100 N Div3
RW
X
Bit 2
LCD100 N Div2
RW
X
Bit 1
LCD100 N Div1
RW
X
Bit 0
LCD100 N Div0
RW
X
Byte
10
Status Readback Register
Bit(s)
Pin #
Name
Description
Type
0
1
Default
7
37
FSB
Frequency Select B
R
Latch
6
9
FSC
Frequency Select C
R
Latch
5
24
CR0# Readbk
Real time CR0# State Indicator
R
CR0# is Low
CR0# is HighX
4
28
CR1# Readbk
Real time CR1# State Indicator
R
CR1# is Low
CR1# is HighX
3
36
CR2# Readbk
Real time CR2# State Indicator
R
CR2# is Low
CR2# is High
X
2
Reserved
0
1
Reserved
0
0
Reserved
0
Byte
11
Revision ID/Vendor ID Register
Bit(s)
Pin #
Name
Description
Type
0
1
Default
7
Rev Code Bit 3
R
X
6
Rev Code Bit 2
R
X
5
Rev Code Bit 1
R
X
4
Rev Code Bit 0
R
X
3
Vendor ID bit 3
R
0
2
Vendor ID bit 2
R
0
1
Vendor ID bit 1
R
0
0
Vendor ID bit 0
R
1
The decimal representation of M
and N Divider in Byte 8 and 9 will
configure the DOT VCO
frequency. VCO Frequency =
14.318 x [NDiv(11:0)] /
[MDiv(5:0)]
M Divider Programming
bit (5:0)
N Divider Programming Byte9 bit(7:0) and
Byte8 bit(7:6)
The decimal representation of M
and N Divider in Byte 8 and 9 will
configure the DOT VCO
frequency. VCO Frequency =
14.318 x [NDiv(11:0)] /
[MDiv(5:0)]
Vendor ID
Vendor specific
See Table 1: CPU Frequency
Select Table
Revision ID



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