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Renesas HD151TS207SS Specification Sheet page 12

Mother board clock generator for intel p4+ chipset (springdale)

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HD151TS207SS
2
I
C Controlled Register Bit Map (cont.)
Byte9 Control Register
Bit
Description
7
SSC2 Enable Bit
6
SSC1 Enable Bit
5
Clock Frequency Control
Bit4
4
Clock Frequency Control
Bit3
3
Clock Frequency Control
Bit2
2
Clock Frequency Control
Bit1
1
Clock Frequency Control
Bit0
0
Frequency Select Mode Bit
Rev.1.00, Apr.25.2003, page 12 of 38
Contents
B6[2] = 0 or B9[7] = 1 : SSC2 =OFF
B6[2] = 1 & B9[7] = 0 : SSC2 = ON
B6[2] = 0 or B9[6] = 1 : SSC1 = OFF
B6[2] = 1 & B9[6] = 0 : SSC1 = ON
Latched input PCIF_1 at Power ON
Latched input DOT48 at Power ON
Latched input PCIF_0 at Power ON
Latched input FS_A at Power ON
Latched input FS_B at Power ON
0 = Freq. is selected by latched input
FS_A and FS_B
2
1 = Freq. is selected by I
C B9[5:1]
Type
Default
Note
RW
0
RW
0
RW
X
See
Table
6
RW
X
RW
X
RW
X
RW
X
RW
0

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