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W83194BR-S Ver la hoja de datos (PDF) - Winbond

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W83194BR-S Datasheet PDF : 17 Pages
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W83194BR-S
PRELIMINARY
6.1 Register 0: Control Register
Bit @PowerUp
Pin
Description
7
X
6
X
5
X
4
X
3
X
2
1
1
0
0
1
-
FS0#
-
FS1#
-
FS2#
-
FS3#
-
FS4#
-
If Reg0-bit7=1
0 = ±0.5% Center type Spread Spectrum Modulation
1 = ±0.75% Center type Spread Spectrum Modulation
If Reg0-bit7=0
0 = -0.6% Down type Spread Spectrum Modulation
1 = -1.0% Down type Spread Spectrum Modulation
-
0 = Normal
1 = Spread Spectrum enabled
-
1=CENTER SPREAD 0=DOWN SPREAD
6.2 Register 1 : SDRAM Register (1 = Active, 0 = Inactive)
Bit @PowerUp Pin
Description
7
1
38 SDRAM7 (Active / Inactive)
6
1
41 SDRAM6 (Active / Inactive)
5
1
42 SDRAM5 (Active / Inactive)
4
1
43 SDRAM4 (Active / Inactive)
3
1
44 SDRAM3 (Active / Inactive)
2
1
47 SDRAM2 (Active / Inactive)
1
1
48 SDRAM1 (Active / Inactive)
0
1
49 SDRAM0 (Active / Inactive)
6.3 Register 2: PCI Clock Register (1 = Active, 0 = Inactive)
Bit @PowerUp Pin
Description
7
1
20 PCICLK7 (Active / Inactive)
6
1
19 PCICLK6 (Active / Inactive)
5
1
18 PCICLK5 (Active / Inactive)
4
1
16 PCICLK4 (Active / Inactive)
3
1
15 PCICLK3 (Active / Inactive)
2
1
13 PCICLK2 (Active / Inactive)
1
1
12 PCICLK1 (Active / Inactive)
0
1
11 PCICLK0 (Active / Inactive)
-8-
Publication Release Date: June 2000
Revision
0.42

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