Datasheet
Electrical Characteristics
MOTOROLA MCF5206e USER’S MANUAL 17-17
17.3.12 M-BUS Module AC Timing Specifications
17.3.12.1 INPUT TIMING SPECIFICATIONS BETWEEN SCL AND SDA.
Table 17-11. INPUT Timing Specifications Between SCL and SDA
1
Note: Units for these specifications are in processor CLK units.
NAME CHARACTERISTIC
40 MHz 54 MHz
UNIT
MIN MAX MIN MAX
M1
1
Start condition hold time 2 — 2 — CLKs
M2
1
Clock low period 8 — 8 — CLKs
M3
SCL/SDA rise time (from V
l
= 0.5V to V
h
= 2.4V)
—1—1us
M4 Data hold time 0 — 0 — ns
M5
SCL/SDA fall time (from V
h
= 2.4V to V
l
= 0.5V)
—1—1us
M6
1
Clock high time 4 — 4 — CLKs
M7 Data setup time 0 — 0 — ns
M8
1
Start condition setup time (for repeated start condition only) 2 — 2 — CLKs
M9
1
Stop condition setup time 2 — 2 — CLKs
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eescale S
emiconduct
or
, I
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