cy28548 SpectraLinear Inc, cy28548 Datasheet - Page 20
![no-image](/images/no-image-200.jpg)
cy28548
Manufacturer Part Number
cy28548
Description
Clock Generator For Intel Crestline Chipset
Manufacturer
SpectraLinear Inc
Datasheet
1.CY28548.pdf
(30 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
cy28548ZXC
Manufacturer:
PHILIPS
Quantity:
228
Company:
Part Number:
cy28548ZXCT
Manufacturer:
PHILIPS
Quantity:
690
CY28548
Table 8. PLL3/SE Configuration Table (continued)
GCLK_SEL
B1b4
B1b3
B1b2
B1b1
Pin 17 MHz
Pin 18 MHz
Spread (%)
Comment
1
1
1
0
1
N/A
N/A
N/A
Figure 12. Clock Generator Power up/Run State Diagram
C l o c k O f f t o M 1
3.3V
Vcc
2.0V
T_delay t
FSC
FSB
FSA
CPU_STOP#
PCI_STOP#
CKPWRGD/PWRDWN
CK505 SMBUS
Off
Latches Open
M1
CK505 State
Off
BSEL[0..2]
CK505 Core Logic
Off
PLL1
Locked
CPU1
PLL2 & PLL3
All Other Clocks
REF Oscillator
T_delay2
T_delay3
Figure 13. BSEL Serial Latching
Rev 1.5 September 16, 2008
Page 20 of 30