参数资料
型号: ICS841S01BG
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO16
封装: 4.40 X 5 MM, 0.92 MM HEIGHT, MO-153, TSSOP-16
文件页数: 10/16页
文件大小: 280K
代理商: ICS841S01BG
IDT / ICS PCI EXPRESS CLOCK GENERATOR
3
ICS841S01BG REV. B MAY 23, 2007
ICS841S01
PCI EXPRESS CLOCK GENERATOR
PRELIMINARY
To enhance the flexibility and function of the clock synthesizer,
a two-signal serial interface is provided. Through the Serial Data
Interface, various device functions, such as individual clock
output buffers, can be individually enabled or disabled. The
registers associated with the Serial Data Interface initialize to
their default setting upon power-up, and therefore, use of this
interface is optional. Clock device register changes are nor-
mally made upon system initialization, if any are required. The
interface cannot be used during system operation for power
management functions.
SERIAL DATA INTERFACE
The clock driver serial protocol accepts byte write, byte read,
block write, and block read operations from the controller. For
block write/read operation, the bytes must be accessed in se-
quential order from lowest to highest byte (most significant bit
first) with the ability to stop after any complete byte has been
transferred. For byte write and byte read operations, the sys-
tem controller can access individually indexed bytes. The off-
set of the indexed byte is encoded in the command code, as
described in Table 3A.
The block write and block read protocol is outlined in Table 3B,
while Table 3C outlines the corresponding byte write and byte
read protocol. The slave receiver address is 11010010 (D2h).
DATA PROTOCOL
TABLE 3A. COMMAND CODE DEFINITION
T
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TABLE 3B. BLOCK READ AND BLOCK WRITE PROTOCOL
T
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相关PDF资料
PDF描述
ICS841S02BGILFT 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO20
ICS841S02BGILF 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO20
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ICS841S01BGT 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:PCI EXPRESS⑩ CLOCK GENERATOR
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