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參數(shù)資料
| 型號： | 954119DFLF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 400 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封裝： | 0.300 INCH, 0.025 INCH PITCH, GREEN, MO-118, SSOP-56 |
| 文件頁數(shù)： | 18/19頁 |
| 文件大?。?/td> | 245K |
| 代理商： | 954119DFLF |
8
Integrated
Circuit
Systems, Inc.
ICS954119
Advance Information
0875—05/24/04
I
2C Table: Programmable Skew Control Register
Bit 7
PCISkw3
RW
0000:0
0100:150
1000:300
1100:450
0
Bit 6
PCISkw2
RW
0001:N/A
0101:N/A
1001:N/A
1101:600
0
Bit 5
PCISkw1
RW
0010:N/A
0110:N/A
1010:N/A
1110:750
0
Bit 4
PCISkw0
RW
0011:N/A
0111:N/A
1011:N/A
1111:900
0
Bit 3
ASYNC1
RW
0
Bit 2
ASYNC0
RW
0
Bit 1
REF0
REF0 select
RW
0
Bit 0
Reserved
RW
0
I
2C Table: Output Drive Control Register
Bit 7
Reserved
RW
1
Bit 6
Reserved
RW
1
Bit 5
Reserved
RW
1
Bit 4
Reserved
RW
1
Bit 3
Reserved
RW
0
Bit 2
Reserved
RW
1
Bit 1
Reserved
RW
0
Bit 0
Reserved
RW
1
I
2C Table: Vendor ID Register
Bit 7
Reserved
RW
0
Bit 6
Reserved
RW
0
Bit 5
Reserved
RW
0
Bit 4
Reserved
RW
0
Bit 3
VID3
R
0
Bit 2
VID2
R
0
Bit 1
VID1
R
0
Bit 0
VID0
R
1
I
2C Table: Byte Count Register
Bit 7
BC7
RW
0
Bit 6
BC6
RW
0
Bit 5
BC5
RW
0
Bit 4
BC4
RW
0
Bit 3
BC3
RW
1
Bit 2
BC2
RW
1
Bit 1
BC1
RW
1
Bit 0
BC0
RW
1
I
2C Table: WD Time Control Register
Bit 7
WD_EN
Watchdog Alarm
Enable
RW
0
Bit 6
WD_SEL
Watchdog Hard/Soft
Alarm Select
RW
0
Bit 5
WD Hard Status
WD Hard Alarm Status
R
X
Bit 4
WD Soft Status
WD Soft Alarm Status
R
X
Bit 3
WDTCtrl
Watch Dog Time base
Control
RW
0
Bit 2
WD2
WD Timer Bit 2
RW
1
Bit 1
WD1
WD Timer Bit 1
RW
1
Bit 0
WD0
WD Timer Bit 0
RW
1
-
These bits represent X*290ms (or 1.16S) the watchdog timer
waits before it goes to alarm mode. Default is 7 X 290ms = 2s.
-
Normal
Alarm
-
290ms Base
1160ms Base
-
Hard only
Hard and Soft
-
Normal
Alarm
PWD
-
Disable
Enable
Control Function
Type
0
1
-
Byte 9
Pin #
Name
PWD
-
Byte Count
Programming b(7:0)
Writing to this register will configure how many bytes will be read
back, default is 0F = 15 bytes.
-
--
Byte 8
Pin #
Name
Control Function
Type
0
1
-
VENDOR ID
--
-
--
-
001 = ICS
-
--
-
--
-
--
-
--
Type
0
1
PWD
Byte 7
Pin #
Name
Control Function
Reserved
--
Reserved
--
Reserved
--
-
--
1PWD
Reserved
--
Name
Control Function
Type
0
XTAL
Fixed PLL
--
-
PCI Async Freq
00 = PLL1
10 = 37.7
-
01 = 33.0
11 = 44.0
PWD
-
CPU-PCI 7 Steps
Skew Control (ps)
-
Byte 5
Pin #
Name
Control Function
Type
0
1
-
Byte 6
Pin #
-
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