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參數資料
| 型號： | W83196S-14 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | XO, clock |
| 英文描述： | 100 MHZ Clock For BX Chipset(2 Chip)(用于BX型芯片組的頻率為100MHZ的時鐘) |
| 中文描述： | 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| 封裝： | SOP-28 |
| 文件頁數： | 6/15頁 |
| 文件大小： | 217K |
| 代理商： | W83196S-14 |
Preliminary W83196S-14
- 6 -
Set R/W to 1 when read back the data sequence is as follows:
Clock Address
A(6:0) & R/W
Ack
Byte 0
Ack
Ack
Byte2, 3, 4...
until Stop
Byte 1
7.3 Serial Control Registers
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.
Register 0 to Register 2 are referred to the Winbond SDRAM buffer(W83178S/179J) drivers.
7.3.1 Register 3: CPU Frequency Select Register (1 = Enable, 0 = Stopped)
BIT
7
6
5
4
3
@POWERUP
0
0
0
0
0
PIN
-
-
-
-
-
DESCRIPTION
Reserved
SSEL2 ( Frequency table selection by software via I
2
C)
SSEL1 ( Frequency table selection by software via I
2
C)
SSEL0 ( Frequency table selection by software via I
2
C)
0 = Selection by SEL100/66#
1 = Selection by software I
2
C - Bit 6:4 and Register 7 Bit0
Reserved
Bit1 Bit0 (See Function Table)
0 0 Normal
0 1 Test Mode
1 0
±
0.5% center type Spread Spectrum enabled
1 1 Tristate
2
0
00
-
-
1-0
(I) Default Frequency table selection by software via I
2
C (When Register 7 Bit 0 = 0 )
SSEL2
0
0
0
0
1
1
1
1
SSEL1
0
0
1
1
0
0
1
1
SSEL0
0
1
0
1
0
1
0
1
CPU, SDRAM (MHZ)
68.5
75
83.3
66.8
103
112
133.3
100
PCI (MHZ)
34.25
37.5
41.6
33.4
34.25
37.3
44.43
33.3
REF2X (MHZ)
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
相關PDF資料 |
PDF描述 |
|---|---|
| W83301DR-O | ACPI-STR Controller |
| W83301 | SUBMINIATURE POWER RELAY |
| W83301R | SUBMINIATURE PC BOARD RELAY |
| W83601R | Winbond SMBus GPI/O |
| W83601R602R | WINBOND GPI/O IC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W83196S-14/-14A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:100/133/150/160MHz Clock Gen.. with S.S.T.? |
| W83301 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:ACPI-STR Controller |
| W83301DR-O | 制造商:WINBOND 制造商全稱:Winbond 功能描述:ACPI-STR Controller |
| W83301R | 制造商:WINBOND 制造商全稱:Winbond 功能描述:ACPI-STR Controller |
| W83303AD | 制造商:WINBOND 制造商全稱:Winbond 功能描述:Advanced ACPI Controller |
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