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IDTTM Frequency Generator with 200MHz Differential CPU Clocks
0542J—01/25/10
ICS950812
Frequency Generator with 200MHz Differential CPU Clocks
20
Pin #
Name
0
1
PWD
Bit 7
35
FS4
Frequency Selection
RW
Disable
Enable
X
Bit 6
33
FS5
Frequency Selection
RW
Disable
Enable
X
Bit 5
33
3V66_0/FS5**
Output control
RW
Disable
Enable
1
Bit 4
35
3V66_1/VCH_CLK/FS4**
Output control
RW
Disable
Enable
1
Bit 3
24
66MHZ_IN/3V66_5
Output control
RW
Disable
Enable
1
Bit 2
23
66MHZ_OUT2/3V66_4
Output control
RW
Disable
Enable
1
Bit 1
22
66MHZ_OUT1/3V66_3
Output control
RW
Disable
Enable
1
Bit 0
21
66MHZ_OUT0/3V66_2
Output control
RW
Disable
Enable
1
Type
Control Function
Affected Pin
BYTE
4
Bit Control
Pin #
Name
0
1
PWD
Bit 7
X
-
Unused
-
0
Bit 6
X
-
Reserved
X
-
0
Bit 5
X
3V66(5:2)/66MHZ_OUT(2:0)
(See table 6)
Allow control of output with
assertion of CPU_STOP#.
X
Freerun
Not
Freerun
0
Bit 4
X
3V66(1:0) (See table 7)
Allow control of output with
assertion of CPU_STOP#.
X
Freerun
Not
Freerun
0
Bit 3
RW
-
0
Bit 2
RW
-
0
Bit 1
RW
-
0
Bit 0
RW
-
0
Note:
Control Function
00 = Medium (default), 01 = Low,
11,10 =High
Type
38
48MHz_DOT Slew Control
Affected Pin
BYTE
5
Functions in Byte 5 of CK408 were intended as a test and debug byte only.
00 = Medium (default), 01 = Low,
11,10 =High
Bit Control
48MHz_USB Slew Control
39
Pin #
Name
0
1
PWD
Bit 7
X
Revision ID Bit 3
R
-
X
Bit 6
X
Revision ID Bit 2
R
-
X
Bit 5
X
Revision ID Bit 1
R
-
X
Bit 4
X
Revision ID Bit 0
R
-
X
Bit 3
X
Vendor ID Bit 3
(Reserved)
R
-
0
Bit 2
X
Vendor ID Bit 2
(Reserved)
R
-
0
Bit 1
X
Vendor ID Bit 1
(Reserved)
R
-
0
Bit 0
X
Vendor ID Bit 0
(Reserved)
R
-
1
Revision ID Value Based on
Device Revision
Control Function
Type
Bit Control
Affected Pin
BYTE
6
Pin #
Name
0
1
PWD
Bit 7
X
-
Unused
R
-
0
Bit 6
X
-
Unused
R
-
0
Bit 5
X
-
Unused
R
-
0
Bit 4
X
-
Unused
R
-
0
Bit 3
X
-
Unused
R
-
0
Bit 2
X
-
Unused
R
-
0
Bit 1
X
-
Unused
R
-
0
Bit 0
X
-
Unused
R
-
0
Type
Control Function
Bit Control
Affected Pin
BYTE
7
Pin #
Name
0
1
PWD
Bit 7
X
-
(Reserved)
X
-
0
Bit 6
X
-
(Reserved)
X
-
0
Bit 5
X
-
(Reserved)
X
-
0
Bit 4
X
-
(Reserved)
X
-
0
Bit 3
X
-
R
-
1
Bit 2
X
-
R
-
1
Bit 1
X
-
R
-
1
Bit 0
X
-
R
-
1
Note: Byte 8 is for ICS test only. Do not write as system damage may occur. Bit(3:0) contain the readback Byte count.
Bit Control
Affected Pin
Control Function
Readback Byte Count
Type
BYTE
8