CY28349 Datasheet, PDF (8/20 Pages) SpectraLinear Inc – FTG for Intel® Pentium® 4 CPU and Chipsets

Data Byte 5
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Pin#
10
7
6
23
22
--
Name
Latched FS4 input
Latched FS3 input
Latched FS2 input
Latched FS1 input
Latched FS0 input
FS_Override
Bit 1
27 SEL 3V66
Bit 0
23 SEL 48MHZ
Data Byte 6
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Pin#
Name
Revision_ID3
Revision_ID2
Revision_ID1
Revision_ID0
Vendor_ID3
Bit 2
Vendor_ID2
Bit 1
Vendor _ID1
Bit 0
Vendor _ID0
Data Byte 7
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin#
--
--
--
--
--
--
--
--
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Name
Data Byte 8
Bit
Bit 7
Bit 6
Pin#
--
--
Reserved
Reserved
Name
Rev 1.0, November 24, 2006
CY28349
Pin Description
Latched FS[4:0] inputs. These bits are read only.
0 = Select operating frequency by FS[4:0] input pins
1 = Select operating frequency by SEL[4:0] settings
0 = 48-MHz output on pin 27
1 = 66-MHz output on pin 27
0 = 24-MHz
1 = 48-MHz
Power On
Default
X
X
X
X
X
0
0
0
Pin Description
Revision ID bit[3]
Revision ID bit[2]
Revision ID bit[1]
Revision ID bit[0]
Bit[3] of Cypress Semiconductor’s Vendor ID. This bit is
read only.
Bit[2] of Cypress Semiconductor’s Vendor ID. This bit is
read only.
Bit[1] of Cypress Semiconductor’s Vendor ID. This bit is
read only.
Bit[0] of Cypress Semiconductor’s Vendor ID. This bit is
read only.
Power On
Default
0
0
0
0
1
0
0
0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Pin Description
Power On
Default
0
0
0
0
0
0
0
0
Reserved
Reserved
Pin Description
Power On
Default
0
0
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