参数资料
型号: 951416AGLFT
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 220 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
封装: 6.10 MM, 0.50 MM PITCH, GREEN, MO-153, TSSOP-56
文件页数: 4/27页
文件大小: 248K
代理商: 951416AGLFT
12
ICS951416
0937H—05/26/05
SMBus Table: M/N Programming & WD Safe Frequency Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
M/N_EN
CPU/SRC M/N
Programming Enable
RW
Disable
Enable
0
Bit 6
Reserved
RW
-
0
Bit 5
WD Safe Freq
Source
WD Safe Freq Source
RW
B10b(4:0)
Latch
Inputs
0
Bit 4
WD SF4
RW
0
Bit 3
WD SF3
RW
0
Bit 2
WD SF2
RW
0
Bit 1
WD SF1
RW
0
Bit 0
WD SF0
RW
0
SMBus Table: CPU Frequency Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
N Div8
N Divider Prog bit 8
RW
X
Bit 6
N Div9
N Divider Prog bit 9
RW
X
Bit 5
M Div5
RW
X
Bit 4
M Div4
RW
X
Bit 3
M Div3
RW
X
Bit 2
M Div2
RW
X
Bit 1
M Div1
RW
X
Bit 0
M Div0
RW
X
SMBus Table: CPU Frequency Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
N Div7
RW
X
Bit 6
N Div6
RW
X
Bit 5
N Div5
RW
X
Bit 4
N Div4
RW
X
Bit 3
N Div3
RW
X
Bit 2
N Div2
RW
X
Bit 1
N Div1
RW
X
Bit 0
N Div0
RW
X
SMBus Table: CPU Spread Spectrum Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
SSP7
RW
X
Bit 6
SSP6
RW
X
Bit 5
SSP5
RW
X
Bit 4
SSP4
RW
X
Bit 3
SSP3
RW
X
Bit 2
SSP2
RW
X
Bit 1
SSP1
RW
X
Bit 0
SSP0
RW
X
-
N Divider Programming
Byte12 bit(7:0) and
Byte11 bit(7:6)
Spread Spectrum
Programming bit(7:0)
-
Watch Dog Safe Freq
Programming bits
-
M Divider Programming
bit (5:0)
-
These Spread Spectrum
bits in Byte 13 and 14
will program the spread
pecentage of CPU
Writing to these bit will
configure the safe
frequency as Byte0 bit
(4:0).
The decimal
representation of M and
N Divier in Byte 11 and
12 will configure the
CPU VCO frequency.
Default at power up =
latch-in or Byte 0 Rom
table. VCO Frequency =
The decimal
representation of M and
N Divier in Byte 11 and
12 will configure the
CPU VCO frequency.
Default at power up =
latch-in or Byte 0 Rom
table. VCO Frequency =
-
Byte 11
Byte 10
-
Byte 13
Byte 12
-
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