ICS932S401EFT IDT, Integrated Device Technology Inc, ICS932S401EFT Datasheet - Page 14

• Manufacturer Part Number: ICS932S401EFT
• Description: IC TIMING CTRL HUB PROGR 56-SSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Timing Control Hubr

Specifications of ICS932S401EFT

• Input: Crystal
• Output: Clock
• Frequency - Max: 400MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 56-SSOP
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 932S401EFT

0921G—08/24/09
SMBus Table: Byte Count Register
SMBus Table: Device ID Register
SMBus Table: M/N Programming & Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 10
Byte 8
Byte 9
Integrated
Circuit
Systems, Inc.
SRC, PCI
CPU
CPU
55
54
-
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
active if latched frequency
SRC Alternate Frequency
CPU Alternate Frequency
is 166 MHz or 333 MHz.
(96% of Nominal) Only
REF0 Drive Strength
REF1 Drive Strength
CPU_STOP Control
(96% of Nominal)
M/N_EN
Name
Name
Name
DID7
DID6
DID5
DID4
DID3
DID2
DID1
DID0
BC7
BC6
BC5
BC4
BC3
BC2
BC1
BC0
Set SRC = 96 MHz and PCI = 32 MHz
Stop non-free running PC and SRC
Byte Count Programming b(7:0)
Set alternate CPU frequency:
M/N Programming Enable
166 MHz to 160 MHz
333 MHz to 320 MHz
Control Function
Control Function
Control Function
Byte 10, bit 2 = 1
CPU and SRC
Only active if
Device ID
(0B hex)
1X or 2X
1X or 2X
clocks.
14
RESERVED
RESERVED
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
R
R
R
R
R
R
R
configure how many bytes will
Writing to this register will
be read back, default is 8
See REF Drive Strength
Disable
Normal
Normal
Stop
Functionality Table
0
0
0
-
-
-
-
-
-
-
-
(0 to 7)
bytes.
Frequency
Frequency
ICS932S401
Alternate
Alternate
Enable
Run
1
1
1
-
-
-
-
-
-
-
-
PWD
PWD
PWD
0
0
0
0
0
1
1
1
0
0
0
0
1
0
1
1
0
1
0
0
0
0
1
1