K20P104M100SF2 Freescale Semiconductor, K20P104M100SF2 Datasheet - Page 31

• Manufacturer Part Number: K20P104M100SF2
• Description: K20 Sub-Family
• Manufacturer: Freescale Semiconductor

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The following timing numbers indicate when data is latched or driven onto the external
bus, relative to the Flexbus output clock (FB_CLK). All other timing relationships can be
derived from these values.
1. Specification is valid for all FB_AD[31:0], FB_BE/BWEn, FB_CSn, FB_OE, FB_R/W,FB_TBST, FB_TSIZ[1:0], and FB_TS.
2. Specification is valid for all FB_AD[31:0] and FB_TA.
Freescale Semiconductor, Inc.
Num
FB1
FB2
FB3
FB4
FB5
Operating voltage
Frequency of operation
Clock period
Address, data, and control output valid
Address, data, and control output hold
Data and FB_TA input setup
Data and FB_TA input hold
Description
FB_CLK
FB_A[Y]
FB_D[X]
FB_RW
FB_TS
FB_CSn
FB_OEn
FB_BE/BWEn
FB_TA
FB_TSIZ[1:0]
K20 Sub-Family Data Sheet Data Sheet, Rev. 1, 11/2010.
Table 22. Flexbus switching specifications
Figure 10. FlexBus read timing diagram
FB2
FB1
Address
FB4
Address
FB4
TSIZ
Preliminary
AA=1
AA=0
Data
FB5
AA=1
AA=0
FB5
Peripheral operating requirements and behaviors
TBD
Min.
FB3
2.7
8.5
0.5
20
—
0
Max.
11.5
3.6
50
—
—
—
—
Mhz
Unit
ns
ns
ns
ns
ns
V
Notes
1
1
2
2
31
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