ICS9LPRS464 Datasheet, PDF (16/23 Pages) Integrated Device Technology – System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUs

ICS9LPRS464
System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUss
SMBus Table: CLKREQB# and CLKREQC# Output Control Register
Byte 4 Pin #
Name
Control Function
Bit 7 12,13
REQASRC5
CLKREQA# Controls SRC5
Bit 6 16,17
REQASRC4
CLKREQA# Controls SRC4
Bit 5
Bit 4
Bit 3
Bit 2
18,19
31,30
REQASRC3
REQCATIG1
CLKREQA# Controls SRC3
Reserved
Reserved
CLKREQC# Controls ATIG1
Bit 1 35,34
REQCATIG0
CLKREQC# Controls ATIG0
Bit 0 ^39,38
REQCSRC0
CLKREQC# Controls SRC0
SMBus Table: CPU Stop Control and SRC Frequency Select Register
Byte 5
Bit 7
Bit 6
Bit 5
Bit 4
Pin #
Name
IO_VOUT2
IO_VOUT1
IO_VOUT0
Control Function
IO Output Voltage Select (Most
Significant Bit)
IO Output Voltage Select
IO Output Voltage Select (Least
Significant Bit)
Reserved
Bit 3
-
SRC FS3
SRC Freq Select Bit 3
Bit 2
-
SRC FS2
SRC Freq Select Bit 2
Bit 1
-
SRC FS1
SRC Freq Select Bit 1
Bit 0
-
SRC FS0
SRC Freq Select Bit 0
SMBus Table: Device ID Register
Byte 6 Pin #
Name
Bit 7
-
Bit 6
-
Device ID7 (MSB)
Device ID6
Bit 5
-
Device ID5
Bit 4
-
Bit 3
-
Device ID4
Device ID3
Bit 2
-
Device ID2
Bit 1
-
Device ID1
Bit 0
-
Device ID0 (LSB)
Control Function
DEVICE ID
SMBus Table: Revision and Vendor ID Register
Byte 7
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Pin #
-
-
-
-
-
Name
RID3
RID2
RID1
RID0
VID3
Bit 2
-
Bit 1
-
VID2
VID1
Bit 0
-
VID0
Control Function
REVISION ID
VENDOR ID
Type
RW
RW
RW
RW
RW
RW
Type
RW
RW
RW
RW
RW
RW
RW
Type
R
R
R
R
R
R
R
R
Type
R
R
R
R
R
R
R
R
0
Does not
control
Does not
control
Does not
control
Does not
control
Does not
control
Does not
control
1
Controls
Controls
Controls
Controls
Controls
Controls
PWD
0
0
0
0
0
0
0
0
0
1
PWD
1
See Table 8: V_IO Selection
(Default is 0.8V)
0
1
0
0
See Table 2:
SRC Frequency Selection
0
Table
0
0
0
1
PWD
-
-
0
-
-
1
-
-
1
-
-
0
-
-
0
-
-
1
-
-
0
-
-
0
0
1
PWD
-
-
0
-
-
0
-
-
0
-
-
0
-
-
0
-
-
0
-
-
0
-
-
1
IDT^TM/ICS^TM System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUs
16
1377A—04/07/08