W149 Datasheet, PDF (7/15 Pages) Cypress Semiconductor – 440BX AGPset Spread Spectrum Frequency Synthesizer

Table 5. Data Bytes 0–7 Serial Configuration Map (continued)
Affected Pin
Bit(s) Pin No. Pin Name
Control Function
1
32, 31, SDRAM4:7 Clock Output Disable
29, 28
0
38, 37, SDRAM0:3 Clock Output Disable
35, 34
Data Byte 4
7
--
--
(Reserved)
6
--
--
(Reserved)
5
--
--
(Reserved)
4
--
--
(Reserved)
3
--
--
(Reserved)
2
--
--
(Reserved)
1
--
--
(Reserved)
0
--
--
(Reserved)
Data Byte 5
7
--
--
(Reserved)
6
--
--
(Reserved)
5
--
--
(Reserved)
4
47
IOAPIC Clock Output Disable
3
--
--
(Reserved)
2
--
--
(Reserved)
1
46
REF1
Clock Output Disable
0
2
REF0
Clock Output Disable
Data Byte 6
7
--
--
(Reserved)
6
--
--
(Reserved)
5
--
--
(Reserved)
4
--
--
(Reserved)
3
--
--
(Reserved)
2
--
--
(Reserved)
1
--
--
(Reserved)
0
--
--
(Reserved)
Data Byte 7
7
--
--
(Reserved)
6
--
--
(Reserved)
5
--
--
(Reserved)
4
--
--
(Reserved)
3
--
--
(Reserved)
2
--
--
(Reserved)
1
--
--
(Reserved)
0
--
--
(Reserved)
Rev 1.0, November 21, 2006
W149
Bit Control
0
1
Low
Active
Low
Active
Default
1
1
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
Low
Active
1
--
--
0
--
--
0
Low
Active
1
Low
Active
1
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
--
--
0
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