参数资料
型号: RPIXP2850BB
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1400 MHz, RISC PROCESSOR, PBGA1356
封装: 37.50 X 37.50 MM, 1 MM PITCH, FCBGA-1356
文件页数: 15/130页
文件大小: 1782K
代理商: RPIXP2850BB
Intel IXP2800 and IXP2850 Network Processors
Electrical Specifications
Datasheet
111
Data Path Timing
Two sets of data path timing parameters are specified to support different bit alignment schemes at
the receiver. Table 50 provides the corresponding parameters for the case of “static alignment” in
which the receiver latches data at a fixed point in time relative to clock (requiring a more precisely
specified sampling window).
Table 51 provides the corresponding parameters for the case of “dynamic alignment” in which the
receiver has the capability of centering the data and control bits relative to clock. From an AC
timing perspective, a compliant interface only needs to meet the parameters at the data path for
either static or dynamic alignment, but may also comply to both sets of parameters. A compliant
driver must meet both timing specifications to be interoperable with both types of receivers.
Figure 15. System Level Reference Points
A9322-01
Source
AB
DC
TDAT / RDAT[15:0]
TCTL / RCTL
TDCLK / RDCLK
TSTAT / RSTAT[1:0]
TSCLK / RSCLK
Sink
Figure 16. Reference Points for Data Path Timing Parameters
B1406-01
(A) Tdib
Tdia
(A) Tsampling
G_max
CLK
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