CY28411 Cypress Semiconductor, CY28411 Datasheet
CY28411
Manufacturer Part Number
CY28411
Description
Clock Generator for Intel Alviso Chipset
Manufacturer
Cypress Semiconductor
Datasheet
1.CY28411.pdf
(19 pages)
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Cypress Semiconductor Corporation
Document #: 38-07594 Rev. *B
Features
• Compliant to Intel
• Supports Intel Pentium-M CPU
• Selectable CPU frequencies
• Differential CPU clock pairs
• 100-MHz differential SRC clocks
• 96-MHz differential dot clock
• 48-MHz USB clocks
Block Diagram
CPU_STP#
VTT_PWRGD#
PCI_STP#
FS_[C:A]
SDATA
XOUT
SCLK
IREF
XIN
PD
PLL1
PLL2
Logic
XTAL
OSC
I
2
C
Network
CK410M
Divider
PLL Ref Freq
•
Clock Generator for Intel
3901 North First Street
DOT96T
DOT96C
VDD_REF
REF
VDD_CPU
VDD_SRC
VDD_PCI
VDD_PCIF
VDD_48 MHz
USB_48
CPUT[0:1], CPUC[0:1],
CPU(T/C)2_ITP]
SRCT[0:6], SRCC[0:6]
PCI[2:5]
PCIF[0:1]
FS_B/TEST_MODE
VTT_PWRGD#/PD
• 33-MHz PCI clock
• Low-voltage frequency select input
• I
• Ideal Lexmark Spread Spectrum profile for maximum
• 3.3V power supply
• 56-pin SSOP and TSSOP packages
PCIF0/ITP_EN
USB_48/FS_A
SRC4_SATAC
x2 / x3
SRC4_SATAT
electromagnetic interference (EMI) reduction
CPU
2
C support with readback capabilities
Pin Configuration
VDD_SRC
VDD_SRC
VDD_PCI
VDD_PCI
VSS_PCI
VSS_PCI
DOT96C
VDD_48
DOT96T
VSS_48
SRCC0
SRCC1
SRCC2
SRCC3
SRCT0
SRCT1
SRCT2
SRCT3
PCIF1
•
PCI3
PCI4
PCI5
x7 / x8
SRC
San Jose
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56 SSOP/TSSOP
PCI
,
x 6
CA 95134
Alviso Chipset
REF
x 1
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
Revised June 11, 2004
•
PCI2
PCI_STP#
CPU_STP#
FS_C/TEST_SEL
REF
VSS_REF
XIN
XOUT
VDD_REF
SDATA
SCLK
VSS_CPU
CPUT0
CPUC0
VDD_CPU
CPUT1
CPUC1
IREF
VSSA
VDDA
CPUT2_ITP/SRCT7
CPUC2_ITP/SRCC7
VDD_SRC
SRCT6
SRCC6
SRCT5
SRCC5
VSS_SRC
DOT96
x 1
408-943-2600
CY28411
USB_48
x 1