參數(shù)資料
型號(hào)： 951411BGLFT
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 時(shí)鐘產(chǎn)生/分配
英文描述： 400 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
封裝： 6.10 MM, 0.50 MM PITCH, GREEN, MO-153, TSSOP-56
文件頁(yè)數(shù)： 21/21頁(yè)
文件大?。?/td> 225K
代理商： 951411BGLFT
9
Integrated
Circuit
Systems, Inc.
ICS951411
0891E—03/07/05
SMBus Table: SRCCLK(7:3,0), CLKREQA# Output Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
SRCCLK7
RW
Disable
Enable
1
Bit 6
SRCCLK6
RW
Disable
Enable
1
Bit 5
SRCCLK5
RW
Disable
Enable
1
Bit 4
SRCCLK4
RW
Disable
Enable
1
Bit 3
SRCCLK3
RW
Disable
Enable
1
Bit 2
SRCCLK0
RW
Disable
Enable
1
Bit 1
REQASRC3
CLKREQA# Controls
SRC3
RW
Does not
control
Controls
0
Bit 0
REQASRC0
CLKREQA# Controls
SRC0
RW
Does not
control
Controls
0
SMBus Table: SRCCLK(3,0), ATIGCLK Output Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
REQASRC7
CLKREQA# Controls
SRC7
RW
Does not
control
Controls
0
Bit 6
REQASRC6
CLKREQA# Controls
SRC6
RW
Does not
control
Controls
0
Bit 5
REQASRC5
CLKREQA# Controls
SRC5
RW
Does not
control
Controls
0
Bit 4
REQASRC4
CLKREQA# Controls
SRC4
RW
Does not
control
Controls
0
Bit 3
ATIGCLK1
RW
Disabled
Enabled
1
Bit 2
ATIGCLK0
RW
Disabled
Enabled
1
Bit 1
Differential Output
Disable Mode
Hi-Z or driven when
disabled
RW
Driven
Hi-Z
0
Bit 0
USB_48Str
48MHz Strength Control
RW
1X
2X
1
Note: Do NOT simultaneously select CLKREQA# and CLKREQB# to control an SRC output.
Behavior of the device is undefined under these conditions.
SMBus Table: Output Drive and ATIG Frequency Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
REF2Str
REF2 Strength Control
RW
1X
2X
1
Bit 6
CPU2_Stop_En
RW
Free-Run
Stoppable
1
Bit 5
CPU1_Stop_En
RW
Free-Run
Stoppable
1
Bit 4
SRCFS4
(SS_EN)
Freq Select Bit 4
(SS_EN)
RW
0
Bit 3
SRCFS3
Freq Select Bit 3
RW
0
Bit 2
SRCFS2
Freq Select Bit 2
RW
0
Bit 1
SRCFS1
Freq Select Bit 1
RW
0
Bit 0
SRCFS0
Freq Select Bit 0
RW
0
NOTE: CPU(1:2)_Stop_En (Byte5, bit 6:5) only exist in devices with REV ID = 2 or higher
0 = CPU is free-run
1 = CPU is stopped by
See Table 2 SRC
Frequency Selection
-
Byte 5
52
41,40
43,42
Output Enable
These outputs cannot be
controlled by CLKREQ#
pins.
30,29
CPU, SRC,
ATIG
4
16,17
18,19
22,23
27,28
24,25
34,33
Byte 4
12,13
Master Output control.
Enables or disables
output, regardless of
CLKREQ# inputs.
16,17
18,19
22,23
24,25
34,33
Byte 3
12,13
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
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