ICS951411BGLF IDT, Integrated Device Technology Inc, ICS951411BGLF Datasheet - Page 8

• Manufacturer Part Number: ICS951411BGLF
• Description: IC SYSTEM CLOCK CHIP P4 56-TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock/Frequency Synthesizerr

Specifications of ICS951411BGLF

• 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-TSSOP
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 951411BGLF

0891E—03/07/05
SMBus Table: Frequency Select Register
NOTE: Byte 0 bit 6 and Byte 0 bit 3 must BOTH be '1' to enable spread for the PCI $ CPU clocks.
SMBus Table: Output Control Register
SMBus Table: CLKREQB# Output Control Register
NOTE: CPU0_Stop_En (Byte2, bit 2) only exists in devices with REV ID = 2 or higher
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 0
Byte 1
Byte 2
Byte 5 bit 4 must be set to 1 to enable spread for the SRC & ATIGCLKS.
Integrated
Circuit
Systems, Inc.
41,40
47,46
43,42
12,13
16,17
18,19
22,23
24,25
34,33
50
54
53
52
4
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
USB_48MHz
REQBSRC7
REQBSRC6
REQBSRC5
REQBSRC4
REQBSRC3
REQBSRC0
CPU FS_C
CPU FS_B
CPU FS_A
FS Source
CPUCLK2
CPUCLK0
CPUCLK1
Reserved
Reserved
Reserved
CPU FS3
PCICLK0
CK410#
SS_EN
Name
Name
Name
REF0
REF1
REF2
Latched Input or SMBus
CPU Freq Select Bit 4
CPU Freq Select Bit 2
CPU Freq Select Bit 1
CPU Freq Select Bit 0
CLKREQB# Controls
CLKREQB# Controls
CLKREQB# Controls
CLKREQB# Controls
CLKREQB# Controls
CLKREQB# Controls
Control Function
Control Function
Control Function
Frequency Select
Spread Enable
Output Enable
Output Enable
Output Enable
Output Enable
Output Enable
Output Enable
Output Enable
Output Enable
CPU SS_EN
Reserved
Reserved
Reserved
SRC7
SRC6
SRC5
SRC4
SRC3
SRC0
8
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
Frequency Selection Table
Reserved
Reserved
Reserved
Does not
Does not
Does not
Does not
Does not
Does not
Latched
Disable
Disable
Disable
Disable
Disable
Disable
Disable
Disable
control
control
control
control
control
control
Inputs
See Table 1: CPU
OFF
0
0
0
Reserved
Reserved
Reserved
Controls
Controls
Controls
Controls
Controls
Controls
SMBus
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
ON
1
1
1
ICS951411
Latched
Latched
Latched
Latched
PWD
PWD
PWD
X
X
X
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0