参数资料
型号: W320-04HT
厂商: Silicon Laboratories Inc
文件页数: 4/16页
文件大小: 0K
描述: IC CLK/DRVR CPUOUT 200MHZ 56SSOP
标准包装: 1,000
类型: *
PLL:
输入: 晶体
输出: 时钟
电路数: 1
比率 - 输入:输出: 1:22
差分 - 输入:输出: 无/是
频率 - 最大: 200MHz
除法器/乘法器: 是/无
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
W320-04
.....................Document #: 38-07010 Rev. *C Page 12 of 16
PWRGD# Timing Diagrams
PWRDWN# Deassertion
10-30
s min.
100-200
s max.
< 3 ms
66BUFF1/GMCH
66BUFF0,2
PCI
PWR_DWN#
CPU
CPU#
3V66
66IN
USB
REF
PCI_F (APIC)
Note: PCI_STOP# asserted LOW
GND VRM 5/12V
PWRGD#
VID [3:0]
BSEL [1:0]
PWRGD# FROM
VRM
PWRGD# FROM
NPN
Possible glitch while Clock VCC is coming
up. Will be gone in 0.2–0.3 mS delay.
VCC CPU CORE
PWRGD#
VCC W320 CLOCK
0.2 -- 0.3 ms
delay
Wait for
PWRGD#
Sample
BSELS
CLOCK STATE
State 0
State 1
State 2
State 3
ON
OFF
CLOCK VCO
CLOCK OUTPUTS
Figure 2. CPU Power Before Clock Power
ON
GEN
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