參數(shù)資料
型號(hào): ICS954119YFLF-T
英文描述: TWISTED PAIR LAN TOOL KIT
中文描述: 可編程定時(shí)控制中心⑩處理器的下一代?、?/td>
文件頁數(shù): 9/17頁
文件大小: 217K
代理商: ICS954119YFLF-T
9
Integrated
Circuit
Systems, Inc.
ICS954119
Advance Information
0875—05/24/04
I
2
C Table: M/N Programming & WD Safe Frequency Control Register
Bit 7
M/N_EN
PLL1 M/N
Programming Enable
Reserved
WD Safe Freq Source
RW
0
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
RW
RW
RW
RW
RW
RW
RW
0
0
0
0
0
0
0
WD Safe Freq Source
WD SF4
WD SF3
WD SF2
WD SF1
WD SF0
I
2
C Table: PLL1 Frequency Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
N Div8
N Div9
M Div5
M Div4
M Div3
M Div2
M Div1
M Div0
N Divider Prog bit 8
N Divider Prog bit 9
RW
RW
RW
RW
RW
RW
RW
RW
X
X
X
X
X
X
X
X
I
2
C Table: PLL1 Frequency Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
N Div7
N Div6
N Div5
N Div4
N Div3
N Div2
N Div1
N Div0
RW
RW
RW
RW
RW
RW
RW
RW
X
X
X
X
X
X
X
X
I
2
C Table: PLL1 Spread Spectrum Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SSP7
SSP6
SSP5
SSP4
SSP3
SSP2
SSP1
SSP0
RW
RW
RW
RW
RW
RW
RW
RW
X
X
X
X
X
X
X
X
I
2
C Table: PLL1 Spread Spectrum Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
SSP14
SSP13
SSP12
SSP11
SSP10
SSP9
SSP8
Reserved
R
0
X
X
X
X
X
X
X
RW
RW
RW
RW
RW
RW
RW
-
-
-
-
-
-
-
-
-
-
Spread Spectrum
Programming bit(14:8)
These Spread Spectrum bits in Byte 13 and 14 will program the
spread pecentage of PLL1
Type
0
1
PWD
Byte 14
Pin #
Name
Control Function
-
-
-
-
-
-
-
-
Spread Spectrum
Programming bit(7:0)
These Spread Spectrum bits in Byte 13 and 14 will program the
spread pecentage of PLL1
Type
0
1
PWD
Byte 13
Pin #
Name
Control Function
-
-
-
-
-
-
-
-
N Divider Programming
Byte12 bit(7:0) and
Byte11 bit(7:6)
The decimal representation of M and N Divier in Byte 11 and 12
will configure the PLL1 VCO frequency. Default at power up =
latch-in or Byte 0 Rom table. VCO Frequency = 14.318 x
[NDiv(9:0)+8] / [MDiv(5:0)+2]
Type
0
1
PWD
Byte 12
Pin #
Name
Control Function
-
-
-
-
-
-
-
-
The decimal representation of M and N Divier in Byte 11 and 12
will configure the PLL1 VCO frequency. Default at power up =
latch-in or Byte 0 Rom table. VCO Frequency = 14.318 x
[NDiv(9:0)+8] / [MDiv(5:0)+2]
M Divider Programming
bit (5:0)
Type
0
1
PWD
Byte 11
Pin #
Name
Control Function
-
-
-
-
-
-
B10b(4:0)
Latch Inputs
Watch Dog Safe Freq
Programming bits
Writing to these bit will configure the safe frequency as Byte0 bit
(4:0).
-
Disable
Enable
-
-
-
Type
0
1
PWD
Byte 10
Pin #
Name
Control Function
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