W83196S-14 查看數據表（PDF） - Winbond
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W83196S-14 Datasheet PDF : 15 Pages
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Preliminary W83196S-14
(II) Default Frequency table selection by software via I2C (When Register 7 Bit 0 = 1)
SSEL2
0
0
0
0
SSEL1
0
0
1
1
SSEL0
0
1
0
1
CPU, SDRAM (MHZ)
124
150
140
133
PCI (MHZ)
41.3 (CPU/3)
37.5 (CPU/4)
35 (CPU/4)
33.3 (CPU/4)
REF2X (MHZ)
14.318
14.318
14.318
14.318
FUNCTION TABLE
FUNCTION
Description
Tri-State
Normal
CPU
Hi-Z
See table
OUTPUTS
PCI
REF2X
Hi-Z
Hi-Z
See table
14.318
IOAPIC
Hi-Z
14.318
7.3.2 Register 4 : CPU , 48/24 MHz Clock Register (1 = Enable, 0 = Stopped)
BIT @POWERUP PIN
DESCRIPTION
7
0
- Reserved
6
1
14 24/48 MHz (Active/Inactive)
5
0
- Reserved
4
0
- Reserved
3
0
- Reserved
2
1
21 CPUCLK1 (Active/Inactive)
1
0
- Reserved
0
1
22 CPUCLK_F (Active/Inactive)
7.3.3 Register 5: PCI Clock Register (1 = Enable, 0 = Stopped)
BIT @POWERUP
7
1
6
1
5
1
4
0
3
1
2
1
1
1
0
1
PIN
DESCRIPTION
4
PCICLK_F (Active/Inactive)
11 PCICLK6 (Active/Inactive)
10 PCICLK5 (Active/Inactive)
-
Reserved
8
PCICLK4 (Active/Inactive)
7
PCICLK3 (Active/Inactive)
6
PCICLK2 (Active/Inactive)
5
PCICLK1 (Active/Inactive)
Publication Release Date: March 1999
-7-
Revision A1
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