IDTCV109E View Datasheet(PDF) - Integrated Device Technology
Part Name
Description
Manufacturer
IDTCV109E Datasheet PDF : 21 Pages
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IDTCV109E
CLOCK GENERATOR FOR DESKTOP PC PLATFORMS
BYTE 23
Bit
7
6
5
4
3
2
1
0
Output(s) Affected
48MHz0
24_48MHz
REF1
REF0
Reserve
Reserve
Reserve
Reserve
Description/Function
Output enable
Output enable
Output enable
Output enable
0
Tristate
Tristate
Tristate
Tristate
COMMERCIAL TEMPERATURE RANGE
1
Enable
Enable
Enable
Enable
Type
Power On
RW
1
RW
1
RW
1
RW
1
1
RW
1
RW
1
0
BYTE 24
Bit
Output(s) Affected
Description/Function
0
7
WDHRB
WD hard alarm status read back
6
WDSRB
WD soft alarm status read back
5
4
3
2
1
FSR1
HW FS1 read back
0
FSR0
HW FS0 read back
1
Type
Power On
R
R
0
R
HW FS1
R
HW FS0
BYTE 25: CPU PLL CONTROL
Bit
Output(s) Affected
Description/Function
0
1
Type
7
CPU frequency band source select 0 = selected by HW latched FS[1:0], CFS[2:0] HW
SW
RW
1 = selected by BS[2:0], CFS[2:0]
6
BS2, Band select 2
BS[2:0] CFS[2:0] select CPU frequency(1)
RW
5
BS1, Band select 1
BS[2:0] CFS[2:0] select CPU frequency(1)
RW
4
BS0, Band select 0
BS[2:0] CFS[2:0] select CPU frequency(1)
RW
3
CFS2
BS[2:0] CFS[2:0] select CPU frequency(1)
RW
2
CFS1
BS[2:0] CFS[2:0] select CPU frequency(1)
RW
1
CFS0
BS[2:0] CFS[2:0] select CPU frequency(1)
RW
0
CPU N Programming Enable
CPU N Programming Enable
Disable Enable RW
NOTES:
1. See SW FREQUENCY SELECTION table.
Power On
0
0
0
0
0
0
0
0
10
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