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SCF5249VM140 bảng dữ liệu(PDF) 33 Page - Freescale Semiconductor, Inc

tên linh kiện SCF5249VM140
Giải thích chi tiết về linh kiện  Integrated ColdFire Microprocessor
PDF  56 Pages
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nhà sản xuất  FREESCALE [Freescale Semiconductor, Inc]
Trang chủ  http://www.freescale.com
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SCF5249VM140 bảng dữ liệu(HTML) 33 Page - Freescale Semiconductor, Inc

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Electrical Characteristics
SCF5249 Integrated ColdFire® Microprocessor Data Sheet, Rev. 3
Freescale Semiconductor
33
Figure 5. Clock Timing Definition
NOTE
Signals above are shown in relation to the clock. No relationship between
signals is implied or intended.
9.1.1
Processor Bus Input Timing Specification
Table 20 lists processor bus input timings.
NOTE
All processor bus timings are synchronous; that is, input setup/hold and
output delay with respect to the rising edge of a reference clock. The
reference clock is the SCLK output. All other timing relationships can be
derived from these values.
Table 20. External Bus Input Timing Specifications
Num
Characteristica
Units
Symbol
Min
Max
B0
SCLK
tCYC
14.26
—
ns
B1
Control input valid to SCLK highb
tCVCH
10
—
ns
B2
SCLK high to control inputs validb
tCHCII
2
—
ns
B4
Data input (D[31:0]) valid to SCLK high
tDIVCH
6
—
ns
CRIN
PSTCLK
BCLK
C6
C6
C7
C8
C8



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