w83194br-39b Winbond Electronics Corp America, w83194br-39b Datasheet - Page 9

• Manufacturer Part Number: w83194br-39b
• Description: Step-less 3-dimm Clock
• Manufacturer: Winbond Electronics Corp America

7.2.1 Register 0: CPU Frequency Select Register (default = 0)
7.2.2 Register 1 : CPU , 48/24 MHz Clock Register (1 = enable, 0 = Stopped)
1
1
1
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
1
1
1
@PowerUp
@PowerUp
1
1
1
0
0
0
0
0
0
0
0
1
1
0
0
1
1
1
1
1
1
1
Pin
40
43
44
-
-
-
-
-
Pin
0
1
1
-
-
-
-
-
-
-
-
Reserved
Reserved
0 = Normal
1 = Spread Spectrum enabled
0 = ±0.25% Spread Spectrum Modulation
1 = ±0.5% Spread Spectrum Modulation
SDRAM12 (Active / Inactive)
Reserved
CPUCLK1 (Active / Inactive)
CPUCLK_F (Active / Inactive)
1
0
1
SSEL5 (for frequency table selection by software via I
SSEL4 (for frequency table selection by software via I
SSEL3 (for frequency table selection by software via I
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
0 = Running
1 = Tristate all outputs
196.00
198.00
200.00
- 9 -
Description
Description
196.00
198.00
200.00
2
C - Bit 7:2
Publication Release Date: June 2000
W83194BR-39B
PRELIMINARY
39.20
39.60
40.00
Revision 0.46
2
2
2
2
2
2
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