w83195bg-120 Winbond Electronics Corp America, w83195bg-120 Datasheet - Page 17

• Manufacturer Part Number: w83195bg-120
• Description: Winbond Clock Generator W83195br-120/w83195bg-120 For Intel 915/945 Chipset
• Manufacturer: Winbond Electronics Corp America

7.14 Register 13: Step-less Enable Control (Default: 0Ah)
7.15 Register 14: Control (Default: 10h)
BIT
7
6
5
4
3
2
1
0
BIT
7
6
5
4
3
2
1
0
EN_MN_PROG
DRI_CONT
SPCNT [5]
SPCNT [4]
SPCNT [3]
SPCNT [2]
SPCNT [1]
SPCNT [0]
Reserved
NAME
Reserved
Reserved
IVAL<3>
IVAL<2>
IVAL<1>
IVAL<0>
N<10>
NAME
PWD
0
0
0
1
0
0
0
0
CPUT / SRCT / PCIE_T / DOT_T output state in during POWER
DOWN assertion.
1: Driven
CPUT / SRCT / PCIE_T / DOT_T output state in during STOP
Mode assertion.
1: Driven
Complementary parts always tri-state (floating) in power down or
stop mode.
Reserved
Spread Spectrum Programmable time, the resolution is 280ns.
Default period is 11.8us
PWD
0
0
0
0
1
0
1
0
0: using frequency table
1: using M/N register to synthesize clock frequency
The equation is VCO =14.318MHz*(N+4)/ M.
Once the watchdog timer times out, the bit will be cleared.
Then the frequency will be decided by hardware strapping
FS<2:0> or frequency select bits SAF_FREQ [4:0] when
EN_SAFE_FREQ (Reg0 - bit 0) is set.
Programmable N divisor bit 10.
Reserved
Reserved
Charge pump current selection
(2*Iref), 0: Tristate (Floating)
(6*Iref), 0: Tristate (Floating)
W83195BR-120/W83195BG-120
- 13 -
DESCRIPTION
DESCRIPTION
Publication Release Date: January 2006
Revision 0.61
TYPE
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W