W83194R-KX

PRELIMINARY

Publication Release Date: Nov. 1999

- 8 -

Revision 0.35

8.3 SERIAL CONTROL REGISTERS

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

SSEL2

SSEL1

SSEL0

CPU(MHz)

PCI(MHz)

1

1

1

1

95

31.7

1

1

1

0

103

34.3

1

1

0

1

105

35

1

1

0

0

108

36

1

0

1

1

90

30

1

0

1

0

110

36.7

1

0

0

1

115

38.3

1

0

0

0

120

30

0

1

1

1

133.3

33.3

0

1

1

0

83

33.3

0

1

0

1

100.2

33.3

0

1

0

0

66.8

33.4

0

0

1

1

124

31

0

0

1

0

129

32.3

0

0

0

1

138

34.5

0

0

0

0

143

35.8