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参数资料
| 型号： | ICS94210YF-PPP-T-LF |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 166.66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | 0.300 INCH, SSOP-48 |
| 文件页数： | 14/18页 |
| 文件大小： | 670K |
| 代理商： | ICS94210YF-PPP-T-LF |
5
ICS94210
Preliminary Product Preview
Third party brands and names are the property of their respective owners.
1.
The ICS clock generator is a slave/receiver, I2C component. It can read back the data stored in the latches for
verification. Readback will support standard SMBUS controller protocol. The number of bytes to readback is
defined by writing to byte 8.
2.
When writing to byte 11 - 12, and byte 13 - 14, they must be written as a set. If for example, only byte 14 is written
but not 15, neither byte 14 or 15 will load into the receiver.
3.
The data transfer rate supported by this clock generator is 100K bits/sec or less (standard mode)
4.
The input is operating at 3.3V logic levels.
5.
The data byte format is 8 bit bytes.
6.
To simplify the clock generator I2C interface, the protocol is set to use only Block-Writes from the controller. The
bytes must be accessed in sequential order from lowest to highest byte with the ability to stop after any complete
byte has been transferred. The Command code and Byte count shown above must be sent, but the data is ignored
for those two bytes. The data is loaded until a Stop sequence is issued.
7.
At power-on, all registers are set to a default condition, as shown.
Notes:
Brief I
2C registers description for ICS94210
Programmable System Frequency Generator
R egister Name
Byte
Description
PWD Default
Functionality & Frequency
Select Register
0
O utput frequency, hardw are / I
2
C
frequency select, spread spectrum &
output enable control register.
See individual
byte description
Output Control Registers
1-6
A ctive / inactive output control
registers/latch inputs read back.
See individual
byte description
Vendor ID & Revision ID
Registers
7
Byte 11 bit[7:4] is ICS vendor id - 1001.
O ther bits in this register designate device
revision ID of this part.
See individual
byte description
Byte Count
Read Back Register
8
Writing to this register w ill configure
byte count and how many byte will be
read back. Do not w rite 00H to this byte.
08H
Watchdog Timer
Count Register
9
Writing to this register w ill configure the
number of seconds for the watchdog
timer to reset.
10H
Watchdog Control Registers 10 Bit [6:0]
Watchdog enable, w atchdog status and
programmable ’safe’ frequency’ can be
configured in this register.
000,0000
VCO Control Selection Bit
10 Bit [7]
This bit select whether the output
frequency is control by hardware/byte 0
configurations or byte 11&12
programming.
0
VCO Frequency Control
Registers
11-12
These registers control the dividers ratio
into the phase detector and thus control
the VCO output frequency.
Depended on
hardware/byte 0
configuration
Spread Spectrum Control
Registers
13-14
These registers control the spread
percentage amount.
Depended on
hardware/byte 0
configuration
Group Skew s Control
Registers
15-16
Increment or decrement the group skew
amount as compared to the initial skew.
See individual
byte description
Output Rise/Fall Time
Select Registers
17-20
These registers will control the output
rise and fall time.
See individual
byte description
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| ICS94211 | 制造商:ICS 制造商全称:ICS 功能描述:Programmable System Frequency Generator for PII/III⑩ |
| ICS94211AF | 功能描述:IC FREQ GENERATOR PROGR 48-SSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:- 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
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| ICS94211AFLFT | 功能描述:IC FREQ GENERATOR PROGR 48-SSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:- 标准包装:28 系列:- 类型:时钟/频率发生器 PLL:是 主要目的:Intel CPU 服务器 输入:时钟 输出:LVCMOS 电路数:1 比率 - 输入:输出:3:22 差分 - 输入:输出:无/是 频率 - 最大:400MHz 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:64-TFSOP （0.240"，6.10mm 宽） 供应商设备封装:64-TSSOP 包装:管件 |
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