ICS950818 Datasheet, PDF (6/20 Pages) Integrated Circuit Systems – Frequency Generator with 200MHz Differential CPU Clocks

ICS950818
BYTE
3
Pin #
Affected Pin
Name
Control Function
Bit 7
34
48MHz_DOT
Output control
Bit 6
35
48MHz_USB
Output control
Bit 5
6
PCICLK_F2/PCICLK8 (see
note)
Allow control of output with
assertion of PCI_STOP#.
Bit 4
5
PCICLK_F1/PCICLK7 (see
note)
Allow control of output with
assertion of PCI_STOP#.
Bit 3
4
PCICLK_F0/PCICLK6 (see
note)
Allow control of output with
assertion of PCI_STOP#.
Bit 2
6
PCICLK_F2/PCICLK8
Output control
Bit 1
5
PCICLK_F1/PCICLK7
Output control
Bit 0
4
PCICLK_F0/PCICLK6
Output control
Note: PCICLK_F(2:0) can be turned on/off by PCI_STOP#. Refer to table 4.
Type
RW
RW
RW
RW
RW
RW
RW
RW
Bit Control
0
Disable
Disable
Freerun
Freerun
Freerun
Disable
Disable
Disable
1
Enable
Enable
Not
Freerun
Not
Freerun
Not
Freerun
Enable
Enable
Enable
PWD
1
1
0
0
0
1
1
1
BYTE
4
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin #
10
12
29
31
20
19
18
17
Affected Pin
Name
*PCICLK2
*PCICLK3
PCICLK10
3V66_1/VCH_CLK
PCICLK9
3V66_4
3V66_3
3V66_2
Control Function
Output strength (1X/2X)
Output strength (1X/2X)
Output control
Output control
Output control
Output control
Output control
Output control
Type
R/W
R/W
RW
RW
RW
RW
RW
RW
Bit Control
0
1
2X
1X
2X
1X
Disable Enable
Disable Enable
Disable Enable
Disable Enable
Disable Enable
Disable Enable
PWD
1
1
1
1
1
1
1
1
BYTE
5
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin #
X
X
X
X
34
35
Affected Pin
Name
PD Mode Iref Mirror Enable
Reserved
3V66(4:2) (See table 6)
3V66(1) (See table 7)
48MHz_DOT Slew Control
48MHz_USB Slew Control
Control Function
Allow Iref Mirror to be ON during
Power Down Mode
Reserved
Allow control of output with
assertion of CPU_STOP#.
Allow control of output with
assertion of CPU_STOP#.
00 = Medium (default), 01 = Low,
11,10 =High
00 = Medium (default), 01 = Low,
11,10 =High
Note: Functions in Byte 5 of CK408 were intended as a test and debug byte only.
Type
RW
X
X
X
RW
RW
RW
RW
Bit Control
0
1
OFF
ON
-
Freerun
Freerun
-
-
-
-
-
Not
Freerun
Not
Freerun
-
-
-
-
PWD
0
0
0
0
0
0
0
0
0825F—11/19/03
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