W83194R-KX Datasheet, PDF (10/13 Pages) Winbond – 133MHZ 3-DIMM K7 CLOCK

W83194R-KX
PRELIMINARY
8.3.4 Register 3: SDRAM, 24MHz, 48MHz Clock Register ( 1 = enable, 0 = Stopped )
Bit @PowerUp
Pin
Description
7
0
-
Reserved
6
0
-
SEL24_48 (Select 24MHz or 48MHz for pin25)
5
1
26
48MHz (Active / Inactive)
4
1
25
24_48MHz (Active / Inactive)
3
0
-
Reserved
2
1
21,20,18, 17 SDRAM(8:11) (Active / Inactive)
1
1
32,31,29, 28 SDRAM(4:7) (Active / Inactive)
0
1
38,37,35, 34 SDRAM(0:3) (Active / Inactive)
8.3.5 Register 4: Reserved Register (1 = enable, 0 = Stopped)
Bit @PowerUp Pin
Description
7
X
- Latched FS3#
6
X
- Latched FS2#
5
X
- Latched FS1#
4
X
- Latched FS0#
3
0
- Reserved
2
0
- Reserved
1
0
- 0 = ±0.75% Spread Spectrum Modulation
1 = ±0.5% Spread Spectrum Modulation
0
0
- 0 = Normal
1 = Spread Spectrum enabled
8.3.6 Register 5: Peripheral Control (1 = enable, 0 = Stopped)
Bit @PowerUp Pin
Description
7
0
- Reserved
6
0
- Reserved
5
0
- Reserved
4
0
- Reserved
3
0
- Reserved
2
0
- Reserved
1
1
46 REF1 (Active / Inactive)
0
1
2 REF0 (Active / Inactive)
- 10 -
Publication Release Date: Nov. 1999
Revision 0.35