參數(shù)資料
型號(hào): CY505YC64DT
廠商: Silicon Laboratories Inc
文件頁數(shù): 8/24頁
文件大?。?/td> 0K
描述: IC CLK CK505 BROADWATER 64TSSOP
標(biāo)準(zhǔn)包裝: 28
類型: 時(shí)鐘/頻率發(fā)生器
PLL:
主要目的: Intel CPU 服務(wù)器
輸入: 晶體
輸出: HCSL,LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:24
差分 - 輸入:輸出: 無/是
頻率 - 最大: 400.9MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-TFSOP (0.240",6.10mm 寬)
供應(yīng)商設(shè)備封裝: 64-TSSOP
包裝: 管件
CY505YC64D
....................Document #: 001-03543 Rev *E Page 16 of 24
.
PD_RESTORE
If a ‘0’ is set for Byte 0 bit 0 then, upon assertion of PWRDWN#
LOW, the CY505 will initiate a full reset. The results of this will
be that the clock chip will emulate a cold power on start and
go to the ‘Latches Open’ state. If the PD_RESTORE bit is set
to a ‘1’ then the configuration is stored upon PWRDWN#
asserted LOW. Note that if the iAMT bit, Byte 0 bit 3, is set to
a ‘1’ then the PD_RESTORE bit must be ignored. In other
words, in Intel iAMT mode, PWRDWN# reset is not allowed.
FS_ A , FS_ B ,F S _ C ,FS_ D
CK _ P W R G D
P W RG D_ V R M
V DD C lo c k G e n
Clo c k S ta te
C lo c k O u tputs
Clo c k V C O
0.2-0.3 m S
De la y
Sta te 0
S ta te 2
S ta te 3
Wa it fo r
V T T_ P W RG D#
Sa m p le Se ls
Off
On
Sta te 1
D e vic e is n o t affe cted,
V T T_ P W RG D# is ig n o re d
Figure 7. CK_PWRGD Timing Diagram
Table 6. Output Driver Status during PCI-STOP# and CPU-STOP#
PCI_STOP# Asserted
CPU_STOP# Asserted
SMBus OE Disabled
Single-ended Clocks Stoppable
Driven Low
Running
Driven Low
Non Stoppable
Running
Differential Clocks
Stoppable
Clock Drive High
Clock Driven Low
Clock# Driven Low
Non Stoppable
Running
Table 7. Output Driver Status
All Single-ended Clocks
All Differential Clocks except CPU1
CPU1
w/o Strap
w/Strap
Clock
Clock#
Clock
Clock#
Latches Open State
Low
Hi-Z
Low
Powerdown
Low
M1
Low
Running
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