SCFLXRAYADPTS12 Freescale Semiconductor, SCFLXRAYADPTS12 Datasheet - Page 32
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SCFLXRAYADPTS12
Manufacturer Part Number
SCFLXRAYADPTS12
Description
ADAPTER BOARD FRDC
Manufacturer
Freescale Semiconductor
Datasheet
1.SCFLXRAYADPTS12.pdf
(56 pages)
Specifications of SCFLXRAYADPTS12
Accessory Type
*
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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1
2
3
Figure 9
timing parameters.
32
SCL and SDA are internally synchronized. This setup time must be met only if recognition on a particular clock is required.
Since SCL and SDA are open-collector-type outputs, which the processor can only actively drive low, this specification applies only when SCL
or SDA are driven low by the processor. The time required for SCL or SDA to reach a high level depends on external signal capacitance and
pull-up resistor values.
Since SCL and SDA are open-collector-type outputs, which the processor can only actively drive low, this specification applies only when SCL
or SDA are actively being driven or held low by the processor.
M10
M12
M13
Num
M11
1
2
3
provides the I2C-bus and system clock timing diagram and
SCL, SDA Valid to BCLK (input setup)
BCLK to SCL, SDA Invalid (input hold)
BCLK to SCL, SDA Low (output valid)
BCLK to SCL, SDA Invalid (output hold)
Figure 9. I2C and System Clock Timing Relationship
SCL, SDA OUT
SCL, SDA OUT
SCL, SDA IN
SCF5250 Data Sheet:
Table 28. I2C Output Bus Timings
BCLK
Characteristic
Technical
M10
Data,
M11
M12
Rev. 1.3
Table 28
M13
provides the I2C-bus output
Min
4.5
2
–
3
96 MHz
Freescale Semiconductor
Max
10
–
–
–
Units
ns
ns
ns
ns
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