Datasheet

20-16 MCF5307 User’s Manual
UART Module AC Timing Specifications
Figure 20.8 shows timing for the values in Table 20-10 and Table 20-11.
Figure 20-15. I
2
C Input/Output Timings
20.8 UART Module AC Timing Specifications
Table 20-12 lists specifications for UART module AC timing parameters in Figure 20-16.
Figure 20-16 shows UART timing for the values in Table 20-12.
Table 20-12. UART Module AC Timing Specifications
Num Characteristic
66 MHz 90 MHz
Units
Min Max Min Max
U1 RXD valid to BCLKO (input setup) 7.5 — 5.5 — nS
U2 BCLKO to RXD invalid (input hold) 3 — 2 — nS
U3 CTS
valid to BCLKO (input setup) 7.5 — 5.5 — nS
U4 BCLKO to CTS
invalid (input hold) 3 — 2 — nS
U5 BCLKO to TXD valid (output valid) — 15 — 11 nS
U6 BCLKO to TXD invalid (output hold) 1.5 — 1.5 — nS
U7 BCLKO to R
TS valid (output valid) — 15 — 11 nS
U8 BCLKO to R
TS invalid (output hold) 1.5 — 1.5 — nS
I2 I6
I1 I4
I7
I8 I9
I5
I3
SCL
SDA
Fr
eescale S
emiconduct
or
, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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