W83194R-630 WINBOND [Winbond], W83194R-630 Datasheet - Page 10

• Manufacturer Part Number: W83194R-630
• Description: 166MHZ CLOCK FOR SIS CHIPSET
• Manufacturer: WINBOND [Winbond]

8.2.2 Register 0: CPU Frequency Select Register (default = 0)
8.2.3 Register 1 : CPU Clock Register (1 = Active, 0 = Inactive)
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
@POWERUP
@POWERUP
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
x
PIN
-
-
-
-
-
-
-
-
PIN
43
45
46
-
-
-
-
-
0 = ±0.5% Center type Spread Spectrum Modulation
1 = ±0.75% Center type Spread Spectrum Modulation
SSEL2 (for frequency table selection by software via I
SSEL1 (for frequency table selection by software via I
SSEL0 (for frequency table selection by software via I
0 = Selection by hardware
1 = Selection by software I
SSEL3 (for frequency table selection by software via I
0 = Normal
1 = Spread Spectrum enabled
0 = Running
1 = Tristate all outputs
Latched FS2#
Reserved
0 = 0.5% down type spread, overrides Byte0-bit7.
1= Center type spread.
Reserved
CPUCLK2 (Active / Inactive)
CPUCLK1 (Active / Inactive)
CPUCLK0 (Active / Inactive)
Reserved
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DESCRIPTION
DESCRIPTION
2
C - Bit 2, 6:4
W83194R-630/-630A
2
2
2
2
C)
C)
C)
C)