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參數(shù)資料
| 型號(hào)： | W83194AR-We |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 200MHZ Clock For Whitney Chipset(用于英特爾的WHITNEY型芯片組的頻率為200MHZ時(shí)鐘) |
| 中文描述： | 200MHz的時(shí)鐘惠特尼芯片組（用于英特爾的惠特尼型芯片組的頻率為200MHz的時(shí)鐘） |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 270K |
| 代理商： | W83194AR-WE |
W83194AR-We
PRELIMINARY
Publication Release Date: Nov. 1999
- 6 - Revision 0.50
6.0
SERIAL CONTROL 0REGISTERS
The Pin column lists the affected pin number and the @PowerUp column gives the state at true
power up. Registers are set to the values shown only on true power up. "Command Code" byte and
"Byte Count" byte must be sent following the acknowledge of the Address Byte. Although the data
(bits) in these two bytes are considered "don't care", they must be sent and will be acknowledge.
After that, the below described sequence (Register 0, Register 1, Register 2, ....) will be valid and
acknowledged.
Frequency Table Setting by I2C (SEL5 ~ SEL0)
SSE
L5
SS
EL4
SS
EL3
SS
EL2
SS
EL1
SS
EL0
CPU
(MHz)
SDRAM
(MHz)
CPU/S
DRAM
3V66
(MHz)
PCI(M
Hz)
IOAPIC (MHz)
APIC_SEL=1
IOAPIC (MHz)
APIC_SEL=0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
83.3
90
75
72
89.07
95.25
121
124
119
114
110
105
66.8
100.2
133.6
133.6
135
125
127
130
140
136
166
155
150
117
107
100.9
145
140
138
137
124.95
90
112.5
108
133.6
95.25
121
124
119
114
110
105
100.2
100.2
133.6
100.2
101.25
125
127
130
140
136
166.00
155
112.5
117
107
100.9
108.75
105
103.5
102.75
2/3
1
2/3
2/3
2/3
1
1
1
1
1
1
1
2/3
1
1
4/3
4/3
1
1
1
1
1
1
1
4/3
1
1
1
4/3
4/3
4/3
4/3
83.30
60.00
75.00
72.00
89.07
63.50
80.67
82.67
79.33
76.00
73.33
70.00
66.80
66.80
66.80
66.80
67.50
83.33
84.67
86.67
70.00
68.00
83.00
77.50
75.00
78.00
71.33
67.27
72.50
70.00
69.00
68.50
41.65
30.00
37.50
36.00
44.53
31.75
40.33
41.33
39.67
38.00
36.67
35.00
33.40
33.40
33.40
33.40
33.75
41.67
42.33
43.33
35.00
34.00
41.50
38.75
37.50
39.00
35.67
33.63
36.25
35.00
34.50
34.25
20.83
15.00
18.75
18.00
22.27
15.88
20.17
20.67
19.83
19.00
18.33
17.50
16.70
16.70
16.70
16.70
16.88
20.83
21.17
21.67
17.50
17.00
20.75
19.38
18.75
19.50
17.83
16.82
18.13
17.50
17.25
17.13
41.65
30.00
37.50
36.00
44.53
31.75
40.33
41.33
39.67
38.00
36.67
35.00
33.40
33.40
33.40
33.40
33.75
41.67
42.33
43.33
35.00
34.00
41.50
38.75
37.50
39.00
35.67
33.63
36.25
35.00
34.50
34.25
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