W48S87-72 Datasheet, PDF (7/19 Pages) Cypress Semiconductor – Desktop/Notebook Frequency Generator

Table 4. Data Bytes 0–7 Serial Configuration Map (continued)
Affected Pin
Bit(s) Pin No. Pin Name
Control Function
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
45
IOAPIC Clock Output Disable
3
--
--
(Reserved)
2
--
--
(Reserved)
1
1
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
--
--
SEL_2
1
--
--
SEL_1
0
--
--
SEL_0
W48S87-72
Bit Control
0
1
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Low
Active
--
--
--
--
Low
Active
Low
Active
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Refer to Table 5
Refer to Table 5
Refer to Table 5
Default
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
7