參數(shù)資料
型號(hào): MCC5E0RX266WB0B
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 266 MHz, RISC PROCESSOR, CBGA840
封裝: 31 X 31 MM, 3.55 MM HEIGHT, 1 MM PITCH, CERAMIC, FCBGA-840
文件頁數(shù): 102/120頁
文件大小: 1711K
代理商: MCC5E0RX266WB0B
82
CHAPTER 3: ELECTRICAL SPECIFICATIONS
C5ENPB0-DS REV 05
MOTOROLA GENERAL BUSINESS INFORMATION
Clock Timing
Specifications
The system clock timing is shown in Figure 13 and described in Table 41.
Figure 13 System Clock Timing Diagram
Tsc
Tsh
SCLK
Cycle 1
Cycle 2
Cycle 3
Cycle 4
Cycle 5
SCLKX
CCLKn
TccN
Tsl
Tcch
Tccl
Table 41 System Clock Timing Description
SYMBOL PARAMETER
MIN
TYP
MAX
UNIT
COMMENT
Tsc
System Cycle Time 3.76
ns
266MHz core clock
Tsh
Sys Clk High Pulse
45
55
Duty cycle*
* Pulse duty cycle measured at crossing voltage of SCLK/SCLKX
Tsl
Sys Clk Low Pulse
45
55
Duty cycle*
Tcc0
CCLK0 Cycle Time
647.67
ns
T1
The frequencies specified for CCLK0 - CCLK7 allow full flexibility for the C-5e NP. It is also possible to use one
or more CCLKn inputs for other frequencies; contact your Motorola representative for more information.
Tcc1
CCLK1 Cycle Time
488.28
ns
E1
Tcc2
CCLK2 Cycle Time
29.097
ns
E3
Tcc3
CCLK3 Cycle Time
22.353
ns
T3
Tcc4
CCLK4 Cycle Time
20.00
ns
RMII
Tcc5
CCLK5 Cycle Time
9.412
ns
Fibre Channel
Tcc6
CCLK6 Cycle Time
8.00
ns
GMII
Tcc7
CCLK7 Cycle Time
6.43
ns
OC-3
Tcch
CCLKm High Time
40%
60%
% cycle pulse is high
Tccl
CCLKm Low Time
40%
60%
% cycle pulse is low
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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