W83194R-KX Datasheet, PDF (8/13 Pages) Winbond – 133MHZ 3-DIMM K7 CLOCK

W83194R-KX
8.3 SERIAL CONTROL REGISTERS
PRELIMINARY
The Pin column lists the affected pin number and the @PowerUp column gives the default state at
true power up. "Command Code" byte and "Byte Count" byte must be sent following the
acknowledge of the Address Byte. Although the data (bits) in these two bytes are considered "don't
care", they must be sent and will be acknowledge. After that, the sequence described below
(Register 0, Register 1, Register 2, ....) will be valid and acknowledged.
Frequency table by software via I2C
SSEL3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
SSEL2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
SSEL1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
SSEL0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
CPU(MHz)
95
103
105
108
90
110
115
120
133.3
83
100.2
66.8
124
129
138
143
PCI(MHz)
31.7
34.3
35
36
30
36.7
38.3
30
33.3
33.3
33.3
33.4
31
32.3
34.5
35.8
Publication Release Date: Nov. 1999
-8-
Revision 0.35