ICS9UMS9610CKLFT Datasheet, PDF (12/20 Pages) Integrated Device Technology – PC MAIN CLOCK

ICS9UMS9610
PC MAIN CLOCK
Advance Information
Byte
Bit(s)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
4 CPU PLL M/N Register
Pin #
Name
CPU N Div8
CPU N Div9
CPU M Div5
CPU M Div4
CPU M Div3
CPU M Div2
CPU M Div1
CPU M Div0
Control Function
N Divider Prog bit 8
N Divider Prog bit 9
M Divider Programming
bit (5:0)
Type
0
1
RW _{The decimal representation of M}
RW _{and N Divider in Byte 4 and 5 will}
RW
configure the CPU VCO
RW _{frequency. Default at power up}
RW _{= latch-in. VCO Frequency =}
RW
14.318 x [NDiv(11:0)] /
RW
RW
[MDiv(5:0)]
Default
X
X
X
X
X
X
X
X
Byte
Bit(s)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
5 CPU PLL M/N Register
Pin #
Name
Control Function
CPU N Div7
CPU N Div6
CPU N Div5
CPU N Div4
N Divider Programming Byte5 bit(7:0) and
CPU N Div3
Byte5 bit(7:6)
CPU N Div2
CPU N Div1
CPU N Div0
Type
0
1
RW _{The decimal representation of M}
RW
RW
and N Divider in Byte 4 and 5 will
configure the CPU VCO
RW _{frequency. Default at power up}
RW _{= latch-in. VCO Frequency =}
RW
14.318 x [NDiv(11:0)] /
RW
[MDiv(5:0)]
RW
Default
X
X
X
X
X
X
X
X
Byte
Bit(s)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
6 DOT96 PLL M/N Register
Pin #
Name
DOT N Div8
DOT N Div9
DOT M Div5
DOT M Div4
DOT M Div3
DOT M Div2
DOT M Div1
DOT M Div0
Control Function
N Divider Prog bit 8
N Divider Prog bit 9
M Divider Programming
bit (5:0)
Type
0
1
RW
RW The decimal representation of M
RW and N Divider in Byte 6 and 7 will
RW
configure the DOT VCO
RW frequency. VCO Frequency =
RW
14.318 x [NDiv(11:0)] /
RW
[MDiv(5:0)]
RW
Default
X
X
X
X
X
X
X
X
Byte
Bit(s)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
7 DOT96 PLL M/N Register
Pin #
Name
Control Function
DOT N Div7
DOT N Div6
DOT N Div5
DOT N Div4
N Divider Programming Byte7 bit(7:0) and
DOT N Div3
Byte6 bit(7:6)
DOT N Div2
DOT N Div1
DOT N Div0
Type
0
1
RW
RW The decimal representation of M
RW and N Divider in Byte 6 and 7 will
RW
configure the DOT VCO
RW frequency. VCO Frequency =
RW
14.318 x [NDiv(11:0)] /
RW
[MDiv(5:0)]
RW
Default
X
X
X
X
X
X
X
X
IDT^TM/ICST^M PC MAIN CLOCK
12
1336—07/21/08