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ICS9LPRS462 датащи(PDF) 16 Page - Renesas Technology Corp

номер детали ICS9LPRS462
подробное описание детали  Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs
PDF  24 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ICS9LPRS462 датащи(HTML) 16 Page - Renesas Technology Corp

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ICS9LPRS462
Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs
IDTTM/ICSTM
Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs
1378A—04/07/08
16
SMBus Table: CLKREQB# and CLKREQC# Output Control Register
Byte 4
Pin #
Name
Control Function
Type
0
1
PWD
Bit 7
12,13
REQASRC5
CLKREQA# Controls SRC5
RW
Does not
control
Controls
0
Bit 6
16,17
REQASRC4
CLKREQA# Controls SRC4
RW
Does not
control
Controls
0
Bit 5
18,19
REQASRC3
CLKREQA# Controls SRC3
RW
Does not
control
Controls
0
Bit 4
0
Bit 3
0
Bit 2
31,30
REQCATIG1
CLKREQC# Controls ATIG1
RW
Does not
control
Controls
0
Bit 1
35,34
REQCATIG0
CLKREQC# Controls ATIG0
RW
Does not
control
Controls
0
Bit 0
39,38
REQCSRC0
CLKREQC# Controls SRC0
RW
Does not
control
Controls
0
SMBus Table: CPU Stop Control and SRC Frequency Select Register
Byte 5
Pin #
Name
Control Function
Type
0
1
PWD
Bit 7
IO_VOUT2
IO Output Voltage Select (Most
Significant Bit)
RW
1
Bit 6
IO_VOUT1
IO Output Voltage Select
RW
0
Bit 5
IO_VOUT0
IO Output Voltage Select (Least
Significant Bit)
RW
1
Bit 4
0
Bit 3
-
SRC FS3
SRC Freq Select Bit 3
RW
0
Bit 2
-
SRC FS2
SRC Freq Select Bit 2
RW
0
Bit 1
-
SRC FS1
SRC Freq Select Bit 1
RW
0
Bit 0
-
SRC FS0
SRC Freq Select Bit 0
RW
0
SMBus Table: Device ID Register
Byte 6
Pin #
Name
Control Function
Type
0
1
PWD
Bit 7
-
Device ID7 (MSB)
R
-
-
0
Bit 6
-
Device ID6
R
-
-
1
Bit 5
-Device ID5
R
-
-
1
Bit 4
-Device ID4
R
-
-
0
Bit 3
-Device ID3
R
-
-
0
Bit 2
-Device ID2
R
-
-
1
Bit 1
-Device ID1
R
-
-
0
Bit 0
-
Device ID0 (LSB)
R
-
-
0
SMBus Table: Revision and Vendor ID Register
Byte 7
Pin #
Name
Control Function
Type
0
1
PWD
Bit 7
-RID3
R
-
-
0
Bit 6
-RID2
R
-
-
0
Bit 5
-RID1
R
-
-
0
Bit 4
-RID0
R
-
-
0
Bit 3
-VID3
R
-
-
0
Bit 2
-VID2
R
-
-
0
Bit 1
-VID1
R
-
-
0
Bit 0
-VID0
R
-
-
1
VENDOR ID
See Table 2:
SRC Frequency Selection
Table
DEVICE ID
REVISION ID
Reserved
See Table 8: V_IO Selection
(Default is 0.8V)
Reserved
Reserved



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